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INDEX Page
Mounted Ball Bearing Engineering Section 4-6
CENTRIK-LOK MOUNTED BALL BEARINGS 7-29
General information 7-9Radial Load Ratings 10-11Optional Sealing Arrangements 12Nomenclature 72
KCL45 Krown Regal Centrik-Lok Standard Duty Pillow Blocks with Low Shaft Height 13KC45 Krown Regal Centrik-Lok Standard Duty Pillow Blocks 14KC55 Krown Regal Centrik-Lok Medium Duty Pillow Blocks 15
KFC245 Krown Regal Centrik-Lok Wide 2-bolt Standard Duty Flange Units 16KFC255 Krown Regal Centrik-Lok Wide 2-bolt Medium Duty Flange Units 17FC225 K Centrik-Lok Narrow 2-bolt Standard Duty Flange Units 18FC235 K Centrik-Lok Narrow 2-bolt Medium Duty Flange Units 19
KFC445 Krown Regal Centrik-Lok Wide 4-bolt Standard Duty Flange Units 20KFC455 Krown Regal Centrik-Lok Wide 4-bolt Medium Duty Flange Units 21FC425 K Centrik-Lok Narrow 4-bolt Standard Duty Flange Units 22FC435 K Centrik-Lok Narrow 4-bolt Medium Duty Flange Units 23
PFC445 K Centrik-Lok Narrow 4-bolt Standard Duty Piloted Flange Units 24PFC455 K Centrik-Lok Narrow 4-bolt Medium Duty Piloted Flange Units 25
KMB45 Krown Regal Centrik-Lok Wide Standard Duty Bearing Inserts 26KMB55 Krown Regal Centrik-Lok Wide Medium Duty Bearing Inserts 27KMB25 Krown Regal Centrik-Lok Narrow Standard Duty Bearing Inserts 28KMB35 Krown Regal Centrik-Lok Narrow Medium Duty Bearing Inserts 29
CENTRIK-LOK Bearing Comparison Chart 30-35
MOUNTED BALL BEARINGS 37-73
General information 37-39Radial Load Ratings 40-41Optional Sealing Arrangements 42Nomenclature 73
CL25 Standard Duty Pillow Blocks with Low Shaft Height 43C25 Standard Duty Pillow Blocks 44C35 Medium Duty Pillow Blocks 45
FC225 2-bolt Standard Duty Flange Units 46FC235 2-bolt Medium Duty Flange Units 47
3
INDEX Page
FC425 4-bolt Standard Duty Flange Units 48FC435 4-bolt Medium Duty Flange Units 49
PFC425 4-bolt Standard Duty Piloted Flange Units 50PFC435 4-bolt Medium Duty Piloted Flange Units 51
TC25 Standard Duty Take-up Units 52TC35 Medium Duty Take-up Units 53
TP,TPT,TSP,TSPT “T” Frame Take-ups 54TQP Quick Release “T” Frame Take-up 54“T” Frame Takeup Standard Duty Pillow Block Mounting 55“T” Frame Takeup Tapped Base Pillow Block Mounting 55
MCHB Screw Conveyor Hanger Units 56MEHB Hanger Units 57
TBC25 Standard Duty Tapped Base Pillow Block 58
MFB25 Standard Duty 3-bolt Flange Bracket Units 59
MB25 Standard Duty Bearing Inserts 60MB35 Medium Duty Bearing Inserts 61
FPSR2 Rubber Mounted Flange Units 62
RER Rubber Mounted Cartridge Units 62
ER Adapter Series Bearings – Nomenclature 63ER Adapter Series Bearings – Set Screw Locking 64ER K Adapter Series Bearings – Centrik-Lok 65ER Adapter Series Bearings – Bearing Housing Fitting Practice 66
MSLN Narrow Series Bearings with Cylindrical O.D.’s 67MSL Extended Series Bearings with Cylindrical O.D.’s 67
PS25 Formed Steel Pillow Blocks 68
FPS225 2-bolt Formed Steel Flange Units 69FPS325 3-bolt Round Formed Steel Flange Units 70FPST325 3-bolt Triangular Formed Steel Flange Units 71
Set Screw Mounted Bearing Comparison Charts 74-84
4
Ball Bearing Size Selection
A bearing should be selected with a load rating the same asor greater than the actual load. Where overloads, shock,vibration or thrust loads are encountered, use the largestequivalent load to select the bearing, as shown in thefollowing three paragraphs.
1. For applications involving frequent overloads, theoverload value should be used as the equivalent load.
2. For applications involving shock loads or vibration, add upto 50% of the actual load to find the equivalent load.
3. If thrust loads exceed 50% of the radial load, add thethrust load to 50% of the radial load to determine theequivalent load.
When an L10 life of over 30,000 hours is required, multiply theactual or equivalent load by the following factors:
1.10 for 40,000 hours L10 life1.26 for 60,000 hours L10 life1.39 for 80,000 hours L10 life1.50 for 100,000 hours L10 life
Find this new value in the table opposite 30,000 hours L10 lifein order to select a bearing.
The L10 life as given in the table is defined as the number ofhours that 90% of a group of bearings will operate before thefirst evidence of fatigue develops. Average life isapproximately five times L10 life.
Because of the high load permitted at low speeds, shaftstrength and housing clamping bolt strength should bechecked for low speed operation. Heavy thrust applicationsrequire a shouldered shaft back-up against the face of theinner ring or an added thrust collar.
Mounted bearing units have the advantage of providingproper load support and reducing design and assembly time.Pre-mounted bearing units offer convenience as well aseconomy and it is not necessary to spend valuable timeselecting bearing housings, seals and different methods ofsecuring the bearings to the shafts. Selection informationusually necessary is shaft size, radial and thrust loads, speedand physical mounting limitations and operating environment.
The simplest, most economical mounting is set-screw lockingthrough the inner race…which securely locates the twomembers. The extended inner race provides maximum shaftcontact along with good bearing stability. For someinstallations, standard commercial shafts are successful witha slip fit in the inner race bore, although some instances,press fitting of the shaft to the inner race is required.
The amount of inner race bore to shaft O.D. clearance thatcan be tolerated depends upon application and operatingconditions. For instance, if dynamic balance is important, aclose fitting shaft to inner race bore is very desirable. Severevibration could be experienced when using undersize shaftsof varying degrees resulting in the undersize shaft becomingeccentric in the bore of the inner race, regardless of the typeof locking method.
Three types of shafting are normally used in ball bearingpillow block applications. For example, it is very common toutilize commercial grade mild steel shafting. If closertolerance shafting is required, then either turned, ground andpolished or cold drawn, ground and polished shafting is used.
If more precise shafting is required, it can be selected to, orpurchased, with a +.0000 –.0005 diameter tolerance and it isusually to the nominal diameter with a negative tolerance.
If the dynamic balance is important, slightly oversize shaftingshould be used to provide a snug fit with the bore of theinner race. In other words, it should be a line to line fit to aninterference fit rather than a line to line to a non-interference fit.
Special mounted bearings
In addition to standard bearings cataloged, bearings areavailable with special surface finishes, special sealingarrangements and specialized housing or bearing insertconfigurations.
Special surface finishes
A black oxide surface finish treatment can be applied to ballbearing inserts to meet special application requirements. Theblack oxide finish is applied for corrosion resistance, andprovides excellent protection for the majority of applicationconditions. Also, it is far less costly than a plated bearing or abearing made entirely of stainless steel.
Nickel plated pillow blocks
A variety of standard mounted units have been supplied withnickel-plated castings for food processing or food packagingapplications. Bearing inserts with black oxide finishes arenormally supplied with nickel-plated casting unless otherwisespecified. Stainless steel set screws are considered optionaland would not be included unless specified. Applicationswhere nickel-plated mountings are being used include:vegetable peeling, fruit and vegetable forming and stackingequipment, shrimp peelers and many conveyor applicationswhere the bearings are exposed to food acids, as well asdaily detergent and steam washdowns. Nickel plated housinghave excellent corrosion resistance (approaching that ofcadmium plating) and wearability similar to chrome plating.These bearings are prelubricated with an odorless, tastelessgrease that meets Section 121.2553 subpart F “Lubricantswith Incidental Food Contact” of the food additive regulationof the Good and Drug Administration. The lubricant hascapabilities to adequately lubricate antifriction bearings underwet or dry conditions and in normal ambient temperatures toan operating temperature of +225°F.
Nickel plated units are available in C25, FC225, FC425,TC25 configurations in 1/2" to 115/16" bore sizes. Catalognumbers of nickel plated units are formed by adding theprefix letter N ahead of the standard bearing number.Example – C25-12 standard pillow block becomes NC25-12with nickel plating and corrosion resistant bearing insert.
MOUNTED BEARING ENGINEERING SECTION
PLATED
5
Specialized housings or bearing inserts
Specialized housing or bearing insert configurations arefrequently supplied to suit application needs. A fewexamples are:
Non-standard based to shaft centerline height,
Relocation of lube fitting,
Non-standard mounting bolt hole location or shape,
Triangular flange castings,
Dust closures, one side of housing,
Double extended inner ring bearing inserts with set screwson each side,
Square and hex bore bearing inserts, and
Triple contact lip sealing, commonly called for in farmequipment applications.
Special housing designs may be proprietary and notavailable to others. However, in some cases tooling isstandard and existing special designs can be made available.Special paint colors or types are also available, and…
Some customers have made use of a special marking optionavailable with MB bearings. The units can be marked withcustomer identification (name) and/or number. This“personalizes” the unit and the equipment in which it is used.
Instructions for installation and lubrication ofmounted ball bearing units
CAUTION
Failure to comply with proper installation, lubrication andmaintenance procedures could result in catastrophic bearingfailure. If operating in an explosive environment or in oraround combustible materials, such catastrophic failure couldlead to property damage and personal injury.
Important Notice The performance of any mounted unit isdependent upon proper installation, lubrication andmaintenance. Premature failure may result if recommendedinstructions are not followed.
Installation
1 The shaft must be clean and free of nicks and burrs. Ifmounted on used shafting, the bearing must be locatedon a smooth, unworn section.
a. A ground shaft must be used to obtain a snug fit,except where the unit is used for heavy loads, highspeeds or where dynamic balance is critical, in whichcase a light press fit is required. The following shaftdiameters and tolerance must be used to obtain asnug fit:
Heavy loads are greater than 15% of the BasicDynamic Rating (BDR) of the bearing used in themounted unit. The Basic Load Ratings are shown onpage 10 or page 40. High speeds are those definedas being in excess of 1,500 feet per minute.
b. To obtain a light press fit, a line-to-line fit between thebearing bore and the shaft diameter must be maintained.Any fit tighter than line-to-line can cause prematurebearing failure. Thus, selective fitting of bearing bores andshaft diameters is required to maintain proper light press
fit for heavy loads, high speeds or when dynamic balanceis critical.
c. For moderate thrust loads, shock loads, vibrationconditions or higher speeds, the shaft should be spotdrilled to provide additional holding. Heavy thrust loadapplications require a shouldered shaft back-upagainst the inner ring face, or an added thrust collar.
2. Even very small raised edges and burrs on the mountingsurfaces can lead to overstressing and fracture of thehousing. Therefore, the support member surface to whichthe housing will be mounted, and the housing mountingsurface, must be clean and free of burrs and nicks thathave raised edges, so that a smooth, flat mountingsurface is present. Careful handling of mounted units isrequired to avoid damage to the mounting surface.
3. Slide the unit on the shaft by applying light pressureagainst the face of the inner ring. DO NOT HAMMERTHE ENDS OF THE INNER RING OR ANY PART OFTHE HOUSING.
4. Bolt the housed units securely to the support members.
5. Tighten the set screws of one bearing locking device tothe recommended torque values given in Chart 1, below.
a. Bearings with the concentric setscrew locking devicehave no collar-the set screws in the inner raceextension tighten against the shaft.
b. Bearings with the CENTRIK-LOK locking device havea collar. The set screws in the collar are started intocountersunk holes in the inner race extension. Theseset screws must be tightened to the Chart 1recommended torque values into these countersunkholes to obtain satisfactory and efficient locking tothe shaft.
6. Check the shaft for freedom of rotation. If possible, runthe bearings a short time under the load.
7. Tighten all bearing set screws to the Chart 1recommended torque values.
Lubrication
All standard MB ball bearing mounted units are prelubricatedwith grease and must be periodically relubricated to obtainfull bearing fatigue life. This is even more important whenthese units are used in a dusty or moist environment. Therequired lubrication cycle will be dependent upon theoperating conditions, speed, temperature, dust, moisture andother environmental conditions. The following lubricationguide must be followed to prevent catastrophic bearingfailures:
MOUNTED BEARING ENGINEERING SECTION (Cont.)
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1. Grease should be added slowly while the shaft is rotating,until a slight bead of grease forms at the seals. Thisindicates the correct amount of grease has been added.A slight grease leakage at the seals is beneficial as itassures lubrication of the seal contacts, purging of oldgrease from the bearing and provides protection in theform of a grease dam against contamination.
CAUTION: Proper care must be exercised duringrelubrication to avoid any rotating parts that would causepersonal injury.
2. MB mounted ball bearing units are prelubricated withlithium base grease for normal operating conditions and atemperature range of –20°F to +275°F. These units mustbe relubricated with a lithium base grease, or a greaserecommended by a reputable grease manufacturer asbeing suitable for ball bearings and compatible withlithium base greases.
a. Relubrication will generally cause a slight rise inbearing operating temperature until the bearing hasstabilized with the proper amount of lubricant. Undernormal conditions, this slight rise in operatingtemperature should not exceed 30°F. This will usuallytake place within a period of 10 to 30 minutesfollowing the relubrication.
b. Some environmental operating conditions, such as anunusual amount of dust, operation in dirt or in moistenvironments, will require more frequent relubricationwith as much grease as possible while maintaining anormal bearing operating temperature range ofambient to approximately 210°F. Relubrication shouldbe as often as necessary to maintain a slight greasepurge at the seals.
c. In the event bearings are to be stored in a wet, dustyor corrosive environment, extra protection must beprovided by first adding grease and rotating thebearing until the grease is seen at the seals. Inaddition, fresh grease must be added beforeoperation, when stored under such adverseconditions.
3. Special optional sealing arrangements are available forunusual adverse operating conditions. Normally, a specialgrease prepack is required in conjunction with specialsealing arrangements. The Rexnord Bearing ProductsEngineering Department should be consulted for specialapplication conditions and/or abnormal or severeenvironmental conditions.
IMPORTANT NOTICE
Periodic relubrication, at a frequency that will be determinedby application conditions, is absolutely necessary to avoidcatastrophic bearing failure.
In addition, periodic inspection must be made to assurecontinued satisfactory bearing operation. During suchperiodic inspection, bearing operating temperatures shouldbe checked. If operating temperatures are found to be rising,the reason for this should be determined. It may be thatreplacement of the mounted bearing is required.
Temperature sensitive crayons and temperature sensitivelabels can be used for determining bearing temperature.Marking the housing with temperature sensitive crayon orapplying a temperature sensitive label to the housing willindicate if the bearing operating temperature has exceeded aprescribed level. At any time the bearing operatingtemperature has exceeded a prescribed level, or any time thebearing operating temperature exceeds 210°F, the reasonshould be be determined. Replacement of the mounted unitmay be necessary.
Special procedures and safety codes must be followed. Thismay require the use of protective guards or other devices.Temperature sensitive crayons or labels, protective guardsand other safety devices are not provided by MB nor is theiruse or lack of use the responsibility of Rexnord BearingProducts.
Bearing Insert Replacement
1. The MB bearing insert has mounted in its sphericaloutside surface and anti-rotation pin, unless the bearingpackage is marked “–W/OP.” To be effective, this anti-rotation pin must engage one of the loading slots in thecast housing.
2. In addition to the anti-rotation pin, MB housings andbearing inserts are fitted together to provide controlledlimits on torque required to align the insert in thespherical seat of the housing. Failure to observe theprescribed alignment torque values can lead to prematurebearing failure. Those alignment torque values can beobtained from the Rexnord Bearing Products EngineeringDepartment.
CAUTION:
The replacement of MB inserts into housing of othermanufacturers can lead to premature bearing failure. Thelubrication fittings in other housing designs may not line upwith the lubrication groove and hole in the outer ring of theMB bearing insert. If that occurs, the bearing will not receivelubricant at relubrication and early, and possible catastrophic,failure can occur:
3. Installation of an MB bearing insert into an MB casthousing is initiated by installing the bearing into thehousing insertion slots with the bearing turned 90 from itsnormal position, and with the anti-rotation pin located inone of the insertion slots. Care must be exercised toavoid shearing the rotation pin when the bearing is gim-baled to its final position, and the bearing must be gim-baled so that the anti-rotation pin (located closer to oneface of the bearing out race) is in position toward theinsertion slot face of the casting. Further, the bearinginsert should be installed so that the lubrication hole inthe outer ring outside surface is approximately in line withthe lubrication fitting in he housing. The lubrication groovein the outer ring outside source must be under thehousing lubrication fitting.
4. After bearing insert assembly in housing, the aligningtorque must be checked with a torque wrench to verifysatisfactory aligning torque. Failure to do so and/orshearing the anti-rotation pin can lead to spinning of thebearing outer race in the housing with resultant housingwear and premature unit failure.
MOUNTED BEARING ENGINEERING SECTION (Cont.)
7
The KROWN REGAL series provides premium bearingfeatures…superior sealing, housing strength, better shaftlocking…at non-premium prices. These bearings are theresult of a design and manufacturing program aimed atsupplying maximum bearing balue at competitive prices. Ourexclusive patented seals and bearing-to-shaft locking devicesmultiply bearing life and reduce maintenance andreplacement to a minimum.
With decades of supply precision ball bearing inserts toleading pillow block and flanged-mounted bearing proceduresas well as to machinery and equipment manufacturers, ourstaff is one of the most experienced in the world.
KROWN REGAL bearings are available from stock instandard duty and medium duty pillow blocks and flangeunits as cataloged in the following pages. Other sizes andmountings are available on special order, as are specially-engineered to the application bearings. Consult RexnordBearing Products for prompt review of your special needs.
KROWN REGAL CENTRIK-LOK MOUNTED Ball Bearings withsuperior sealing, heavier housings, more positive shaft locking.
8
KROWN REGAL CENTRIK-LOK MOUNTED Ball Bearings (cont.)
The KROWN REGAL bearing design reduces the three mostcommon causes of bearing failure – seal failure that permitsentrance of contaminants or loss of lubricant; insufficienthousing strength; and loosening of bearings on rotatingshafts. Other features include large diameter balls for highload capacities, nylon retainers for quiet operations,conveniently located lube fittings and superior anti-rotationpin arrangement.
Molded Lip Seal-Flinger System
The sealing system provides four-way sealing action toeffectively keep dirt out and lubricant in. It is combined inKROWN REGAL bearings with steel flingers that throwexcessive contaminants away from the bearings and protectthe seals from damage by abrasives and impact. Together,the superior seals and added flingers add significantly tobearing life.
Rugged one-piece cast iron housings
These bearings have heavier cast iron housing than previousdesigns. The KROWN REGAL foot-mounted pillow blocks andflange mounts are built to withstand heavy loading, shockand external vibration. Finishes are highly resistant tocorrosion and abrasion.
CENTRIK-LOK shaft locking device
Bearing-to-shaft locking is accomplished with the patentedCENTRIK-LOK shaft locking device. This method of lockingprovides excellent holding power versus competitive shaftlocking devices. Its clamping action also centers the shaft inthe bearing to avoid vibration and noise. It also eliminatesshaft damage because set screws do not contact the shaftmaking bearing removal easier.
Spherically-seated bearing insert with anti-rotation pin
The spherical fit between the outer race O.D. and I.D. of theblock is precisely controlled for easy shaft alignment. An anti-rotation pin is permanently installed in the bearing insert O.D.It engages one of the housing insertion slots, preventingouter race creep and war of housing. There is no danger oflosing a separable pin during field replacement of bearingsand no danger of preloading the bearing as is possible inother designs where a lube fitting is tightened against alocking pin.
Flinger
Standard“N” Seal
Optional“E1” Seal
Conveniently-locatedLube Fitting
Anti-rotation pin
Loading Slot
9
The CENTRIK-LOK shaft locking device (Pat. No. 4,403,814)assures precise centering of MB KROWN REGAL ballbearing pillow blocks and flange-mounted units on rotatingshafts to avoid vibration and noise. What’s more, the inherentholding power of this unique design can be far superior toother equivalent competitive bearings. An important feature ofthe CENTRIK-LOK shaft locking device is that the lockingcollar is pre-assembled onto the bearing inner race, avoidingthe problem of loose, lost or misplaced locking collars.Another feature is that the set screws do not come in contactwith the shaft and therefore, do not mark the shaft or leaveheavy burrs that make bearing removal difficult.
Most mounted bearing locking devices move the inner raceeccentrically on the shaft during locking. This eccentricpositioning of the inner race can cause vibration, loosening oflocking devices and loss of bearing performance.
One of the drawback of current locking devices that domaintain concentricity has been their lack of shaft-holdingpower. The CENTRIK-LOK shaft locking device overcomesthese shaft-holding limitations and still provides theadvantages of true concentricity. The inner race is slotted infour places and a continuous cylindrical locking collar isapplied over the inner race slots. Two set screws, located 45apart, contact the inner race on each side of one of the slots.The two set screws exert force on two of the four inner racesegments and the resulting reaction through the collar pullsthe remaining two segments against the shaft concentrically.
KROWN REGAL precision mounted ball bearings with patentedCENTRIK-LOK shaft locking device.
MB CENTRIK-LOKShaft Locking Device
“Hose Clamp” TypeLocking Device
Ball
Retainer
Flinger
Inner
OuterSeal
Setscrew
Collar
10
KROWN REGAL CENTRIK-LOK MOUNTED BALL BEARINGS –LOAD RATINGS
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0003 – – – – 0701 0001 149 298 458 128 297 647 396 776 156 826 385 945 125 894 3640008 – – 879 458 677 027 876 446 616 295 275 835 005 784 074 354 124 593 573 063 33300002 – 809 027 926 275 035 005 574 454 834 124 593 963 063 643 333 013 292 772 462 54200004 809 027 275 005 454 124 593 573 063 643 333 413 292 482 572 462 542 132 022 012 591000001 966 035 124 963 333 013 292 772 662 552 642 132 512 012 302 591 081 071 161 551 341
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212
0003 – – – – 0912 0302 0191 0181 0471 0761 0161 0251 0141 0831 0231 0821 0811 0111 0601 01010008 – – 0991 0471 0851 0641 0831 0131 0521 0021 0611 0901 0101 499 859 329 958 608 567 43700002 – 0581 0641 0821 0611 0801 0101 869 529 398 958 608 257 437 607 976 236 595 565 93500004 0581 0641 0611 0101 529 958 608 567 437 607 976 146 595 085 265 935 005 274 844 924000001 0631 0801 958 257 976 236 595 565 245 025 305 274 044 924 414 793 863 743 033 613
412
0003 – – – – 0062 0142 0722 0512 0602 0891 0191 0081 0761 0361 0751 0151 0041 02310008 – – 0632 0602 0781 0471 0361 0551 0841 0341 0831 0031 0021 0711 0311 0901 0101 55900002 – 0912 0471 0251 0831 0821 0021 0411 0901 0501 0101 559 298 078 738 508 057 50700004 0912 0471 0831 0021 0901 0101 559 709 078 738 508 067 507 786 666 936 395 955000001 0161 0821 0101 298 508 057 507 076 246 716 695 955 125 905 094 174 734 214
512
0003 – – – – 0752 0932 0522 0312 0402 0691 0981 0871 0561 0261 0551 0051 09310008 – – 0432 0402 0581 0271 0261 0451 0741 0141 0731 0821 0911 0611 0211 0801 000100002 – 0712 0271 0051 0731 0721 0911 0311 0801 0401 0001 649 488 268 928 897 34700004 0712 0271 0731 0911 0801 0001 649 998 268 928 897 357 996 186 066 336 785000001 0061 0721 0001 488 897 347 996 466 636 116 195 455 615 405 684 764 334
612
0003 – – – – 0223 0992 0282 0762 0652 0642 0732 0322 0702 0302 0591 0881 04710008 – – 0392 0652 0232 0612 0302 0391 0481 0771 0171 0161 0941 0641 0141 0531 062100002 – 0272 0612 0881 0171 0951 0941 0241 0631 0131 0621 0811 0011 0801 0301 0001 03900004 0272 0612 0171 0941 0631 0621 0811 0211 0801 0301 0001 349 578 358 728 297 637000001 0002 0951 0621 0011 0001 039 578 238 797 567 047 496 746 236 906 585 245
812
0003 – – – – 0004 0173 0943 0133 0713 0503 0492 0772 0752 0152 0142 03320008 – – 0363 0713 0882 0762 0152 0932 0822 0022 0212 0002 0581 0181 0471 086100002 – 0733 0762 0332 0212 0791 0581 0671 0861 0261 0651 0641 0731 0331 0821 032100004 0733 0762 0212 0581 0861 0651 0641 0931 0331 0821 0321 0611 0801 0501 0201 289000001 0842 0791 0651 0731 0321 0511 0801 0301 889 849 719 068 108 387 457 427
gnitaRdaoLcisaBrofegapsuoiverpeeS.noitacirbulertneuqerferiuqersaeradedahsehtninoitarepO
.stcudorPgniraeBdronxeRtlusnoc,srehtollarofC52.roseires53dna52rofC51.nahtretaergsiPdaolehtfI
12
Standard Krown Regal optional sealing arrangements
Standard steel clad type N single lip seals have a usefultemperature range of –40°F to +225°F and can withstandtemperatures up to 250°F for intermitent service. The flingeradds protection against contamination, and can shieldagainst radiant heat. Special sealing arrangements areavailable for higher temperatures and “free-running” orspecial contamination resistance.
Special optional sealing arrangements
Suffix-MHFF indicates type H seals and flingers both sides.This provides a sealed, “free-running” bearing with heatshield protection. It is satisfactory for temperatures from–40°F to +275°F.
Rexnord Bearing Products must be consulted regardingavailability of any of these optional sealing configurations.
Examples for ordering:1. Bearing Insert KMB451–716–MHFFPA2. Mounted Unit KC451–716–MHFF
High temperature ball bearing inserts and housed units
Krown Regal mounted ball bearings and KMB45, KMB55 andER series inserts are available for high temperatureapplications up to 400°F. The “E1” package provides thefollowing features:
1. Extra Internal Diametral Clearance (DC) based on a200°F temperature differential between inner and outerraces, compensates for the inner race expanding at afaster rate than the outer race and will avoid preloading ofthe bearings.
2. Steel Retainer (Cage) – 2 piece riveted construction.
3. High Temperature Lubrication – prelubricated with a No. 2consistency bentone-base grease with petroleum oil.When operated near upper limit, (400°F to 450°F) dailyrelubrication is required.
4. Viton Seals withstand temperatures to 400°F.
5. Steel Flingers are mounted outboard of the Viton sealswith an interface fit with the O.D. of the inner ring.
Examples for ordering:1. Bearing Insert KMB451–716–E1PA2. Mounted Unit KC451–716–E1
Free running applications and applications above 400°F
Sealing options such as –FF (flingers only) for “free running”applications and/or temperatures over 400°F wherecontamination is not severe. The flinger acts as a labyrinthseal. High temperature bearings require a greater amount ofdiametral clearance (DC) and a higher temperature lubricant.Consult Rexnord Bearing Products for recommendations.Consult your MB bearing source for price and availability ofany special features.
Examples for ordering:1. Bearing Insert KMB451–716–FFPA2. Mounted Unit KC451–716–FF
N SEALS
N SEALS
FLINGERS
FLINGERS
E1 SEALS
FLINGERS
FLINGERS
KMB25/35 Have no flingers214 thru 218 Basic Sizes have
Nyla-K seals and Flingers
KMB25/35 Have no H seals214 thru 218 Basic Sizes have
Modified Nyla-K seals and Flingersuse suffix MKFF
KMB25/35 Have no flingers214 thru 218 Basic Sizes have
Viton seals and Flingersuse suffix TFF
BASIC KMB45/55 SEALS
–MHFF
–E1
–FF
13
STANDARD DUTY KROWN REGAL CENTRIK-LOK PILLOW BLOCKSwith low shaft heightElongated bolt holes allow adjustment to facilitate mounting as well as alignment.
tfahS.aiD kcolBwolliP
rebmuNcisaB
eziSA†
BC D E F
stloB H L M U .tWtinU)gk/sbl( rebmuNgniraeB
mm sehcnI .niM .xaM
71
1/25/811 / 61
21-54LCK85-54LCK
6111-54LCK 302 1 1/ 61
79.62
3 1/8
04.97
4 1/8
8.401
5
0.721
1 3/ 23
97.72
1 3/8
9.43
3/8
01
3/8
5.9
2 5/ 23
8.45
1 1/81 31 / 461 31 / 46
6.03
14 / 46
3.61
23.182.162.1
6.0
AP-21-54BMKAP-85-54BMK
AP-6111-54BMK
023/4 43-54LCK
02-54LCK 402 1 1/457.13
3 3/87.58
4 3/ 614.601
5 1/43.331
1 7/ 2369.03
1 1/21.83
3/801
51 / 239.11
2 51 / 237.26
1 3/89.43
32 / 233.81
94.17.0
AP-43-54BMKAP-02-54BMK
52
7/851 / 611
87-54LCK6151-54LCK
154LCK52-54LCK
502 1 5/ 61
23.33
3 7/ 61
3.78
4 9/ 61
9.511
5 1/2
1.231
1 5/ 61
23.33
1 1/2
1.83
3/8
01
51 / 23
9.11
2 11 / 61
3.86
1 9/ 61
7.93
3/4
0.91
27.196.186.1
8.0
AP-87-54BMKAP-6151-54BMK
AP-154BMKAP-52-54BMK
03
1 1/81 3/ 611 1/4
81-154LCK613-154LCKS41-154LCK 602 1 9/ 61
76.93
4 1/8
8.401
5 1/8
2.031
6 1/4
8.851
1 1/2
01.83
1 7/8
6.74
1/2
21
71 / 23
5.31
3 1 4/
6.28
1 31 / 6122
8.05
7/8
2.22
39.209.278.23.1
AP-81-154BMKAP-613-154BMKAP-S41-154BMK
53
1 1/41 3/81 7/ 61
41-154LCK83-154LCK
617-154LCK 702 1 31 / 61
20.64
4 9/ 61
9.511
5 9/ 61
3.141
6 11 / 61
9.961
1 11 / 61
88.24
1 7/8
6.74
1/2
21
11 / 61
5.71
3 11 / 61
7.39
2 1/42 1/4
2.75
1
4.52
58.357.396.37.1
AP-41-154BMKAP-83-154BMK
AP-617-154BMK
04
1 1/21 5/8
21-154LCK85-154LCK
04-54LCK802 1 51 / 61
22.945 1/ 23
8.7216 1/ 23
2.3517 1/4
2.4811 51 / 61
22.942 1 8/
0.45
1/221
7/82.22
46.101
2 1/25.36
1 3/ 61
2.03
99.458.4
6.2
AP-21-154BMKAP-85-154BMK
AP-04-54BMK
54
1 5/81 11 / 611 3/4
L85-154LCK6111-154LCK
43-154LCK 902 2 1/ 61
73.25
5 31 / 23
3.731
6 71 / 23
9.561
7 3/4
8.691
1 51 / 61
22.94
2 1/8
0.45
1/2
21
72 / 23
4.12
4 1/4
0.801
2 1/22 11 / 612 11 / 61
3.86
1 3/ 61
2.03
34.563.592.5
4.2
AP-L85-154BMKAP-6111-154BMK
AP-43-154BMK
05
1 7/81 51 / 61
2
87-154LCK6151-154LCK
254LCK 012 2 3/ 61
85.55
5 72 / 23
4.841
6 72 / 23
8.371
8 1/4
902 6.
2 1/ 23
95.15
2 3/8
3.06
5/8
61
51 / 61
8.32
4 1/4
0.801
2 7/8
0.37
1 9/ 23
5.23
57.666.675.6
0.3
AP-87-154BMKAP-6151-154BMK
AP-254BMK
55
22 3/ 612 1/4
L254LCK613-254LCK
41-254LCK 112 2 7/ 61
29.16
6 5/ 61
3.061
7 1/2
5.091
8 7/8
4.522
2 3/ 61
85.55
2 3/8
3.06
5/8
61
51 / 61
8.32
4 51 / 61
4.521
2 7/83 1/83 1/8
4.97
1 5/ 61
3.33
04.801.800.8
6.3
AP-L254BMKAP-613-254BMK
AP-41-254BMK
06
2 1/42 3/82 7/ 61
L41-254LCK83-254LCK
617-254LCK 212 2 11 / 61
82.86
6 92 / 23
4.571
8 5/ 23
2.702
9 5/8
5.442
2 9/ 61
70.56
2 3/4
8.96
5/8
61
1
4.52
5 1/2
7.931
3 1/83 3/83 3/8
7.58
1 9/ 61
7.93
18.1175.1154.11
2.5
AP-L41-254BMKAP-83-254BMK
AP-617-254BMK
572 51 / 61 6151-254LCK 512 3 5/ 61
21.488 1/8
4.60201 1/2
7.66231
2.0333 1/ 61
77.773 1/2
9.887/842
1 1/ 232.62
6 32 / 237.071
3 51 / 610.001
1 3/44.44
55.421.11
AP-6151-254BMK
,eziscisab502urht302;ezispatgnittifnoitacirbuL 1/4 ,eziscisab512urht602,FNU82-" 1/8 TP")mm31.0±("500.±,ecnareloT†
B MinB Max
C
H
A
BOLTS - F D
U
E
L M
Selection Guide – pages 4-9Load Ratings – pages 10-11Additional Information – page 12
14
STANDARD DUTY KROWN REGAL CENTRIK-LOK PILLOWBLOCKSElongated bolt holes adjustment to facilitate mounting as well as alignment
tfahS.aiD kcolBwolliP
rebmuNcisaB
eziSA†
BC D E F
stloB H L M U .tWtinU)gk/sbl( rebmuNgniraeB
mm sehcnI .niM .xaM
71
1/25/811 / 61
21-54CK85-54CK
6111-54CK 302 1 3/ 61
61.03
3 1/8
04.97
4 1/8
8.401
5
0.721
1 3/ 23
97.72
1 3/8
9.43
3/8
01
1/2
7.21
2 9/ 23
9.75
1 1/81 31 / 461 31 / 46
6.03
14 / 46
3.61
94.154.134.1
6.0
AP-21-54BMKAP-85-54BMK
AP-6111-54BMK
023/4 43-54CK
02-54CK 402 1 5/ 6123.3
3 3/87.58
4 3/ 614.601
5 1/43.331
1 7/ 2369.03
1 1/21.83
3/801
71 / 235.31
2 71 / 233.46
1 3/89.43
32 / 233.81
66.19.0
AP-43-54BMKAP-02-54BMK
52
7/851 / 611
87-54CK6151-54CK
154CK52-54CK
502 1 7/ 61
25.63
3 7/ 61
3.78
4 9/ 61
9.511
5 1/2
1.231
1 5/ 61
23.33
1 1/2
1.83
3/8
01
91 / 23
1.51
2 31 / 61
4.17
1 9/ 61
7.93
3/4
0.91
09.178.148.10.1
AP-87-54BMKAP-6151-54BMK
AP-154BMKAP-52-54BMK
03
1 1/81 3/ 611 1/4
81-154CK613-154CKS41-154CK 602 1 11 / 61
88.24
4 1/8
8.401
5 1/8
2.031
6 1/4
8.851
1 1/2
01.83
1 7/8
6.74
1/2
21
12 / 23
7.61
3 3/8
7.58
1 31 / 6122
8.05
7/8
2.22
11.380.350.37.1
AP-81-154BMKAP-613-154BMKAP-S41-154BMK
53
1 1/41 3/81 7/ 61
41-154CK83-154CK617-154CK 702 1 7/8
26.74
4 9/ 61
9.511
5 9/ 61
3.141
6 11 / 61
9.961
1 11 / 61
88.24
1 7/8
6.74
1/2
21
3/4
0.91
3 3/4
2.59
22 1/42 1/4
2.75
1
4.52
49.348.387.31.2
AP-41-154BMKAP-83-154BMKAP-617-154BMK
04
1 1/21 5/8
21-154CK85-154CK
04-54CK802 1 51 / 61
22.945 1/ 23
8.7216 1/ 23
2.3517 1/4
2.4811 51 / 61
22.942 1/8
0.45
1/221
7/82.22
46.101
2 1/25.36
1 3/ 61
2.03
99.458.4
6.2
AP-21-154BMKAP-85-154BMK
AP-04-54BMK
54
1 5/81 11 / 611 3/4
L85-154CK6111-154CK
43-154CK 902 2 1/8
89.35
5 31 / 23
3.731
6 71 / 23
9.561
7 3/4
8.691
1 51 / 61
22.94
2 1/8
0.45
1/2
21
92 / 23
0.32
4 5/ 61
5.901
2 1/22 11 / 612 11 / 61
3.86
1 3/ 61
2.03
96.526.555.5
0.3
AP-L85-154BMKAP-6111-154BMK
AP-43-154BMK
05
1 7/81 51 / 61
2
87-154CK6151-154CK
254CK 012 2 1/4
51.75
5 72 / 23
4.841
6 72 / 23
8.371
8 1/4
6.902
2 1/ 23
95.15
2 3/8
3.06
5/8
61
1
4.52
4 9/ 61
9.511
2 7/8
0.37
1 9/ 23
5.23
38.647.656.6
6.3
AP-87-154BMKAP-6151-154BMK
AP-254BMK
55
22 3/ 612 1/4
L254CK613-254CK
41-254CK 112 2 1/2
05.36
6 5/ 61
3.061
7 1/2
5.091
8 7/8
4.522
2 3/ 61
85.55
2 3/8
3.06
5/8
61
1
4.52
5
0.721
2 7/83 1/83 1/8
4.97
1 5/ 61
3.33
94.892.891.8
5.4
AP-L254BMKAP-613-254BMK
AP-41-254BMK
06
2 1/42 3/82 7/ 61
L41-254CK83-254CK617-254CK 212 2 3/4
58.96
6 92 / 23
4.571
8 5/ 23
2.702
9 5/8
5.442
2 9/ 61
70.56
2 3/4
8.96
5/8
61
1 1/ 61
0.72
5 9/ 61
3.141
3 1/83 3/83 3/8
7.58
1 9/ 61
7.93
99.1157.1136.11
3.6
AP-L41-254BMKAP-83-254BMKAP-617-254BMK
572 51 / 61 6151-254CK 512 3 1/2
09.888 1/8
4.60201 1/2
7.66231
2.0333 1/ 61
77.773 1/2
9.887/842
1 7/ 230.13
6 92 / 234.571
3 51 / 610.001
1 3/44.44
50.526.31
AP-6151-254BMK
;ezispatgnittifnoitacirbuL 1/8 TP"† )mm31.0±("500.±,ecnareloT
B MinB Max
C
H
A
BOLTS - F D
U
E
L M
Selection Guide – pages 4-9Load Ratings – pages 10-11Additional Information – page 12
15
MEDIUM DUTY KROWN REGAL CENTRIK-LOK PILLOW BLOCKStfahS.aiD kcolBwolliP
rebmuNcisaB
eziSA†
BC D E F
stloB H L M U .tWtinU)gk/sbl( rebmuNgniraeB
sehcnI .niM .xaM1 155CK 602 1 3/4
54.444 1/8
8.4015 1/8
2.0316 1/4
8.8511 1/2
01.831 7/8
6.741/221
32 / 237.34
3 7/ 613.78
1 3/ 610.64
7/82.22
02.35.1
AP-155BMK
1 3/ 61 613-155CK 702 1 7/826.74
4 9/ 619.511
5 9/ 613.141
6 11 / 619.961
1 11 / 6188.24
1 7/86.74
1/221
3/40.91
3 3/42.59
28.05
14.52
59.38.1
AP-613-155BMK
1 7/ 61 617-155CK 802 2 1/800.45
5 1/ 238.721
6 1/ 232.351
7 1/42.481
1 51 / 6122.94
2 1/80.45
1/221
7/82.22
4 3/ 614.601
2 1/42.75
1 3/ 612.03
40.53.2
AP-617-155BMK
1 1/2 21-155CK 902 2 5/ 6127.85
5 31 / 233.731
6 71 / 239.561
7 3/48.691
1 51 / 6122.94
2 1/80.45
1/221
92 / 230.32
4 5/ 615.901
2 1/25.36
1 3/ 612.03
18.56.2
AP-21-155BMK
1 11 / 611 3/4
6111-155CK43-155CK 012 2 5/ 61
27.855 72 / 23
4.8416 72 / 23
8.3718 1/4
6.9022 1/ 23
95.152 3/8
3.065/8
6114.52
4 5/85.711
2 3/48.96
1 9/ 235.23
80.72.3
AP-6111-155BMKAP-43-155BMK
1 51 / 612
6151-155CK255CK 112 2 1/2
05.366 5/ 61
3.0617 1/2
5.0918 7/8
4.5222 3/ 61
85.552 3/8
3.065/8
6114.52
50.721
2 7/80.37
1 5/ 613.33
85.89.3
AP-6151-155BMKAP-255BMK
2 3/ 61 613-255CK 212 2 3/458.96
6 92 / 234.571
8 5/ 232.702
9 5/85.442
2 9/ 6170.56
2 3/48.96
5/861
1 1/ 610.72
5 9/ 613.141
3 1/84.97
1 9/ 617.93
11.215.5
AP-613-255BMK
2 7/ 612 1/2
617-255CK21-255CK 412 3
02.677 1/2
5.0919 1/2
0.53211 1/4
8.5822 3/4
58.963 1/4
6.283/402
1 5/ 234.92
6 1/48.851
3 3/42.59
1 11 / 619.24
2.917.8
AP-617-255BMKAP-21-255BMK
2 11 / 61 6111-255CK 512 3 1/209.88
8 1/84.602
01 1/27.662
312.033
3 1/ 6177.77
3 1/29.88
7/842
1 7/ 230.13
6 92 / 234.571
3 51 / 610.001
1 3/44.44
86.526.11
AP-6111-255BMK
2 51 / 613
6151-255CK355CK 612 3 1/2
09.888 3/8
4.52201 1/2
7.66231
2.0333 1/4
55.283 1/2
9.887/842
1 9/ 235.23
7 1/42.481
4 3/ 614.601
1 51 / 612.94
65.725.21
AP-6151-255BMKAP-355BMK
3 3/ 613 7/ 613 1/2
613-355CK617-355CK
21-355CK812 4
06.1019 31 / 61
2.94221 5/ 61
7.21351
0.1833 52 / 23
40.694 3/8
1.111
7/842
1 11 / 23
1.438 1/4
6.9024 31 / 61
6.4212 7/ 23
4.6528.140.91
AP-613-355BMKAP-617-355BMK
AP-21-355BMK;ezispatgnittifnoitacirbuL 1/8 TP"
)mm31.0±("500.±,ecnareloT†
B MinB Max
C
H
A
BOLTS - F D
U
E
L M
The most popular mounted units are pillow blocks. Pillow blocks provide an integral unit to support shaftsparallel to the mounting surface. The casting base has elongated holes for the mounting bolts to provideinterchangeability with other competitive makes as well as ease of adjustment during installation. Self-aligningpillow block assemblies usually do not require shimming at the base becaues self-aligning of the bearing withinthe housing permits enough adjustment.
Selection Guide – pages 4-9Load Ratings – pages 10-11Additional Information – page 12
16
WIDE 2-BOLT STANDARD DUTY KROWN REGAL CENTRIK-LOKFLANGE UNITSThese flange units incorporate the advantages of foot mounted pillow blocks but are intended for surface mounting, verticalor horizontal, at right angles to the shaft. Bolt holes are spaced for interchangeability with mounting of similar designs.
tfahS.aiD tinUdegnalF
rebmuNcisaB
eziS A B D FstloB G H L M N P .tWtinU
)gk/sbl( rebmuNgniraeB
mm sehcni
71
1/25/811 / 61
21-542CFK85-542CFK
6111-542CFK 302 2 5/ 61
3.33
3
02.67
1 3/ 23
97.72
3/8
01
7/ 46
8.2
7/ 61
1.11
1 31 / 46
6.03
1 1/81 31 / 461 31 / 46
6.03
3 7/8
4.89
91 / 46
5.7
59.019.098.0
4.0
AP-21-54BMKAP-85-54BMK
AP-6111-54BMK
023/4 43-542CFK
02-542CFK 402 2 7/ 614.85
3 71 / 2396.98
1 7/ 2369.03
3/801
1/ 616.1
7/ 611.11
1 9/ 232.23
1 3/89.43
4 31 / 239.111
11 / 237.8
50.15.0
AP-43-54BMKAP-02-54BMK
52
7/851 / 611
87-542CFK6151-542CFK
1542CFK52-542CFK
502 2 3/4
8.96
3 75 / 46
28.89
1 5/ 61
23.33
7/ 61
01
1/ 61
6.1
71 / 23
5.31
1 3/8
9.43
1 9/ 61
7.93
4 7/8
8.321
31 / 23
3.01
73.143.113.1
6.0
AP-87-54BMKAP-6151-54BMK
AP-154BMKAP-52-52BMK
03
1 1/81 3/ 611 1/4
81-1542CFK613-1542CFKS41-1542CFK 602 3 3/ 61
0.18
4 91 / 23
86.611
1 1/2
01.83
7/ 61
01
1/ 61
6.1
71 / 23
5.31
1 9/ 61
7.93
1 31 / 6122
8.05
5 9/ 61
3.141
7/ 61
1.11
88.148.108.1
8.0
AP-81-154BMKAP-613-154BMKAP-S41-154BMK
53
1 1/41 3/81 7/ 61
41-1542CFK83-1542CFK617-1542CFK 702 3 11 / 61
7.39
5 1/8
81.031
1 11 / 61
88.24
1/2
21
1/ 61
6.1
9/ 61
3.41
1 3/4
4.44
22 1/42 1/4
2.75
6 1/8
6.551
51 / 23
9.11
08.207.256.22.1
AP-41-154BMKAP-83-154BMKAP-617-154BMK
04
1 1/21 5/8
21-1542CFK85-1542CFK
04-542CFK802 4 1/8
8.4015 12 / 23
76.3411 51 / 61
22.94
1/221
5/ 46
0.2
9/ 61
3.412 1/ 46
2.152 1/2
5.366 3/4
4.171
33 / 46
6.81
49.308.37.1
AP-21-154BMKAP-85-154BMK
AP-04-54BMK
54
1 5/81 11 / 611 3/4
L85-1542CFK6111-1542CFK
43-1542CFK 902 4 3/8
1.111
5 72 / 23
03.841
1 51 / 61
22.94
9/ 61
41
7/ 46
8.2
9/ 61
3.41
2 3/ 46
0.25
2 1/22 11 / 612 11 / 61
3.86
7 1/ 61
4.971
13 / 46
3.21
73.403.432.49.1
AP-L85-154BMKAP-6111-154BMK
AP-43-154BMK
05
1 7/81 51 / 61
2
87-1542CFK6151-1542CFK
2542CFK 012 4 9/ 61
9.511
6 3/ 61
61.751
2 1/ 23
95.15
9/ 61
41
1/8
2.3
9/ 61
3.41
2 5/ 23
8.45
2 7/8
0.37
7 51 / 23
7.981
91 / 23
1.51
46.455.464.4
0.2
AP-87-154BMKAP-6151-154BMK
AP-254BMK
55
22 3/ 612 1/4
L2542CFK613-2542CFK
41-2542CFK 112 5
0.721
7 1/4
51.481
2 3/ 61
85.55
5/8
61
1/8
2.3
31 / 61
6.02
2 5/ 61
7.85
2 7/83 1/83 1/8
4.97
8 1/2
9.512
9/ 61
3.41
53.750.759.6
2.3
AP-L254BMKAP-613-254BMK
AP-41-254BMK
;ezispatgnittifnoitacirbuL 1/8 TP"
A
B N
BOLTS - F
P
HL
D GM
Selection Guide – pages 4-9Load Ratings – pages 10-11Additional Information – page 12
17
WIDE 2-BOLT MEDIUM DUTY KROWN REGAL CENTRIK-LOKFLANGE UNITSThese flange units incorporate the advantages of foot mounted pillow blocks but are intended for surface mounting, verticalor horizontal, at right angles to the shaft. Bolt holes are spaced for interchangeability with mounting of similar designs.
tfahS.aiDsehcnI
tinUdegnalFrebmuN
cisaBeziS A B D F
stloB G H L M N P .tWtinU)gk/sbl( rebmuNgniraeB
1 1552CFK 602 3 3/ 610.18
4 91 / 2386.611
1 1/201.83
7/ 6101
1/ 616.1
71 / 235.31
1 9/ 617.93
1 31 / 618.05
5 91 / 231.241
7/ 611.11
79.19.0
AP-155BMK
1 3/ 61 613-1552CFK 702 3 11 / 617.39
5 1/881.031
1 11 / 6188.24
1/221
1/ 616.1
9/ 613.41
1 3/44.44
28.05
6 1/86.551
51 / 239.11
18.23.1
AP-613-155BMK
1 7/ 61 617-1552CFK 802 4 1/88.401
5 12 / 2376.341
1 51 / 6122.94
1/221
5/ 460.2
9/ 613.41
2 1/ 462.15
2 1/42.75
6 52 / 232.271
33 / 466.81
99.38.1
AP-617-155BMK
1 1/2 21-1552CFK 902 4 3/81.111
5 72 / 2303.841
1 51 / 6122.94
9/ 6141
7/ 468.2
9/ 613.41
2 3/ 460.25
2 1/25.36
7 3/ 232.081
13 / 463.21
94.40.2
AP-21-155BMK
1 11 / 611 3/4
6111-1552CFK43-1552CFK 012 4 9/ 61
9.5116 3/ 61
61.7512 1/ 23
95.159/ 61
411/8
2.39/ 61
3.412 5/ 23
8.452 3/4
8.967 7/ 61
9.88191 / 23
1.5188.4
2.2AP-6111-155BMK
AP-43-155BMK1 51 / 61 6151-1552CFK 112 5
4.3317 1/4
51.4812 3/ 61
85.555/8
611/8
2.331 / 61
6.022 5/ 61
7.852 7/8
0.378 1/2
9.5129/ 61
3.4144.7
4.3AP-6151-155BMK
;ezispatgnittifnoitacirbuL 1/8 TP"
A
B N
BOLTS - F
P
HL
D GM
Flange block units, like the foot mounted counterparts, are also provided with a grease fitting for relubricationpurposes. The bolt hole size as well as spacing is interchangeable with other competitive units. Flange unitsare used in place of pillow blocks for side mounting without providing brackets or any other type of structure.
Selection Guide – pages 4-9Load Ratings – pages 10-11Additional Information – page 12
18
NARROW 2-BOLT STANDARD DUTY CENTRIK-LOK FLANGE UNITSThese flange units incorporate the advantages of foot mounted pillow blocks but are intended for surface mounting, verticalor horizontal, at right angles to the shaft. Bolt holes are spaced for interchangeability with mounting of similar designs.
tfahS.aiD tinUdegnalF
rebmuNcisaB
eziS A B D FstloB G H L M N P .tWtinU
)gk/sbl( rebmuNgniraeBmm sehcni
71
1/25/811 / 61
21-K522CF85-K522CF
6111-K522CF 302 2 5/ 61
7.85
3
02.67
36 / 46
99.42
3/8
01
9/ 46
6.3
3/8
5.9
1 1/8
6.82
1 1/81 31 / 461 31 / 46
6.03
3 7/8
4.89
5/ 61
9.7
18.077.057.0
3.0
AP-21-52BMKAP-85-52BMK
AP-6111-52BMK
023/4 43-K522CF
02-K522CF 402 2 3/83.06
3 71 / 2396.98
1 5/ 4683.72
3/801
5/ 230.4
7/ 611.11
1 9/ 232.23
1 3/89.43
4 31 / 239.111
31 / 233.01
19.04.0
AP-43-52BMKAP-02-52BMK
52
7/851 / 611
87-K522CF6151-K522CF
1K522CF52-K522CF
502 2 3/4
8.96
3 75 / 46
28.89
1 1/8
85.82
7/ 61
01
1/8
2.3
1/2
7.21
1 5/ 61
3.33
1 9/ 61
7.93
4 7/8
8.321
7/ 61
1.11
23.192.162.1
6.0
AP-87-52BMKAP-6151-52BMK
AP-152BMKAP-52-52BMK
03
1 1/81 3/ 611 1/4
81-1K522CF613-1K522CFS41-1K522CF 602 3 3/ 61
0.18
4 91 / 23
86.611
1 91 / 46
49.23
7/ 61
01
1/8
2.3
71 / 23
5.31
1 1/2
1.83
1 31 / 6122
8.05
5 9/ 61
3.141
9/ 61
3.41
97.157.117.1
8.0
AP-81-152BMKAP-613-152BMKAP-S41-152BMK
53
1 1/41 3/81 7/ 61
41-1K522CF83-1K522CF617-1K522CF 702 3 11 / 61
7.39
5 1/8
81.031
1 51 / 23
13.73
1/2
21
5/ 23
0.4
9/ 61
3.41
1 32 / 23
7.34
22 1/42 1/4
2.75
6 1/8
6.551
12 / 23
7.61
96.295.245.22.1
AP-41-152BMKAP-83-152BMKAP-617-152BMK
04
1 1/21 5/8
21-1K522CF85-1K522CF
04-K522CF802 4 1/8
8.4015 12 / 23
76.3411 9/ 61
76.93
1/221
11 / 46
4.4
9/ 61
3.411 31 / 61
0.642 1/2
5.366 3/4
4.171
12 / 23
7.61
74.333.35.1
AP-21-152BMKAP-85-152BMK
AP-04-52BMK
54
1 5/81 11 / 611 3/4
L85-1K522CF6111-1K522CF
43-1K522CF 902 4 3/8
1.111
5 72 / 23
03.841
1 91 / 23
94.04
9/ 61
41
11 / 46
4.4
9/ 61
3.41
1 92 / 23
4.84
2 1/22 11 / 612 11 / 61
3.86
7 1/ 61
4.971
32 / 23
3.81
64.393.323.35.1
AP-L85-152BMKAP-6111-152BMK
AP-43-152BMK
05
1 7/81 51 / 61
2
87-1K522CF6151-1K522CF
2K522CF 012 4 9/ 61
9.511
6 3/ 61
61.751
1 14 / 46
86.14
9/ 61
41
5/ 23
0.4
5/8
9.51
1 92 / 23
4.84
2 7/8
0.37
7 51 / 23
7.981
32 / 23
3.81
34.443.452.49.1
AP-87-152BMKAP-6151-152BMK
AP-252BMK
55
22 3/ 612 1/4
L2K522CF613-2K522CF
41-2K522CF 112 5
0.721
7 1/4
51.481
1 3/4
54.44
5/8
61
5/ 23
0.4
32 / 23
7.34
2
8.05
2 7/83 1/83 1/8
4.97
8 1/2
9.512
11 / 61
5.71
40.647.5
6.2
AP-L252BMKAP-613-252BMK
AP-41-252BMK
,eziscisab502urht302;ezispatgnittifnoitacirbuL 1/4 ,eziscisab112urht602,FNU82-" 1/8 TP"
A
B N
BOLTS - F
P
HL
D GM
Selection Guide – pages 4-9Load Ratings – pages 10-11Additional Information – page 12
19
NARROW 2-BOLT MEDIUM DUTY CENTRIK-LOK FLANGE UNITSThese flange units incorporate the advantages of foot mounted pillow blocks but are intended for surface mounting, verticalor horizontal, at right angles to the shaft. Bolt holes are spaced for interchangeability with mounting of similar designs.
tfahS.aiDsehcnI
tinUdegnalFrebmuN
cisaBeziS A B D F
stloB G H L M N P .tWtinU)gk/sbl( rebmuNgniraeB
1 1K532CF 602 3 3/ 610.18
4 91 / 2386.611
1 91 / 4649.23
7/ 6101
1/82.3
71 / 235.31
1 1/21.83
1 31 / 610.64
5 9/ 613.141
9/ 613.41
45.22.1
AP-153BMK
1 3/ 61 613-1K532CF 702 3 11 / 617.39
5 1/881.031
1 51 / 2313.73
1/221
5/ 230.4
9/ 613.41
1 32 / 237.34
28.05
6 1/86.551
12 / 237.61
23.35.1
AP-613-153BMK
1 7/ 61 617-1K532CF 802 4 1/88.401
5 12 / 2376.341
1 9/ 6176.93
1/221
11 / 464.4
9/ 613.41
1 31 / 610.64
2 1/42.75
6 3/44.171
12 / 237.61
55.41.2
AP-617-153BMK
1 1/2 21-1K532CF 902 4 3/81.111
5 72 / 2303.841
1 91 / 2394.04
9/ 6141
11 / 464.4
9/ 613.41
1 92 / 234.84
2 1/25.36
7 1/ 614.971
32 / 233.81
30.53.2
AP-21-153BMK
1 11 / 611 3/4
6111-1K532CF43-1K532CF 012 4 9/ 61
9.5116 3/ 61
61.7511 14 / 46
86.149/ 61
415/ 23
0.45/8
9.511 92 / 23
4.842 3/4
8.967 51 / 23
7.98132 / 23
3.8195.5
5.2AP-6111-153BMK
AP-43-153BMK1 51 / 61 6151-1K532CF 112 5
0.7217 1/4
51.4811 3/4
54.445/8
615/ 23
0.45/8
9.512
8.052 7/8
0.378 1/2
9.51211 / 61
5.7196.7
5.3AP-6151-153BMK
;ezispatgnittifnoitacirbuL 1/8 TP"
A
B N
BOLTS - F
P
HL
D GM
2-Bolt flange units, like the foot mounted counterparts, are also provided with grease fitting for relubricationpurposes. The bolt hole size as well as spacing is interchangeable with other competitive units. Flange unitsare also used in place of pillow blocks for side mounting without providing brackets or any other type ofstructure.
These MB flange units have been designed to maintain a minimum overall thickness with the smallest possiblestandoff dimension from the mounting face or back of flange to the outboard face of the inner race. Thisminimizes the necessity of extending shaft lengths and provides interchangeability with other competitivemakes.
Selection Guide – pages 4-9Load Ratings – pages 10-11Additional Information – page 12
20
WIDE 4-BOLT STANDARD DUTY KROWN REGAL CENTRIK-LOKFLANGE UNITSThese flange units incorporate the advantages of foot mounted pillow blocks but are intended for surface mounting, verticalor horizontal, at right angles to the shaft. Bolt holes are spaced for interchangeability with mounting of similar designs.
tfahS.aiD tinUdegnalF
rebmuNcisaB
eziS A B D E FstloB G H L M N P .tWtinU
)gk/sbl( rebmuNgniraeBmm sehcni
71
1/25/811 / 61
21-544CFK85-544CFK
6111-544CFK302 2 1/8
0.45
2 1/8
89.35
1 3/ 23
97.72
3
2.67
3/8
01
7/ 46
8.2
7/ 61
1.11
1 31 / 46
6.03
1 1/81 31 / 461 31 / 46
6.03
3 7/8
4.89
91 / 46
5.7
22.181.161.1
5.0
AP-21-54BMKAP-85-54BMK
AP-6111-54BMK
023/4 43-544CFK
02-544CFK 402 2 3/83.06
2 1/205.36
1 7/ 2369.03
3 3/87.58
3/801
1/ 616.1
7/ 611.11
1 9/ 232.23
1 3/89.43
4 31 / 239.111
11 / 237.8
13.16.0
AP-43-54BMKAP-02-54BMK
52
7/851 / 611
87-544CFK6151-544CFK
1544CFK52-544CFK
502 2 3/4
8.96
2 3/4
58.96
1 5/ 61
23.33
3 3/4
2.59
7/ 61
01
1/ 61
6.1
71 / 23
5.31
1 3/8
9.43
1 9/ 61
7.93
4 7/8
8.321
11 / 23
7.8
18.187.157.1
8.0
AP-87-54BMKAP-6151-54BMK
AP-154BMKAP-52-52BMK
03
1 1/81 3/ 611 1/4
81-1544CFK613-1544CFKS41-1544CFK
602 3 1/4
6.28
3 1/4
55.28
1 1/2
01.83
4 1/4
0.801
7/ 61
01
1/ 61
6.1
71 / 23
5.31
1 9/ 61
7.93
1 31 / 6122
8.05
5 9/ 61
3.141
7/ 61
1.11
11.370.330.34.1
AP-81-154BMKAP-613-154BMKAP-S41-154BMK
53
1 1/41 3/81 7/ 61
41-1544CFK83-1544CFK
617-1544CFK702 3 3/4
2.59
3 5/8
80.29
1 11 / 61
88.24
4 5/8
5.711
1/2
21
1/ 61
6.1
9/ 61
3.41
1 3/4
4.44
22 1/42 1/4
2.75
6 1/8
6.551
51 / 23
9.11
95.394.344.36.1
AP-41-154BMKAP-83-154BMK
AP-617-154BMK
04
1 1/21 5/8
21-1544CFK85-1544CFK
04-544CFK802 4 1/8
8.4014
06.1011 51 / 61
22.945 1/4
2.031
1/221
5/ 46
0.2
9/ 61
3.412 1/ 46
2.152 1/2
5.366 3/4
4.171
33 / 46
6.81
18.476.41.2
AP-21-154BMKAP-85-154BMK
AP-04-54BMK
54
1 5/81 11 / 611 3/4
L85-1544CFK6111-1544CFK
43-1544CFK902 4 3/8
1.111
4 1/8
87.401
1 51 / 61
22.94
5 3/8
5.631
9/ 61
41
7/ 46
8.2
9/ 61
3.41
2 3/ 46
0.25
2 1/22 11 / 612 11 / 61
3.86
7 1/ 61
4.971
13 / 46
3.21
99.429.448.4
2.2
AP-L85-154BMKAP-6111-154BMK
AP-43-154BMK
05
1 7/81 51 / 61
2
87-1544CFK6151-1544CFK
2544CFK012 4 9/ 61
9.511
4 3/8
21.111
2 1/ 23
95.15
5 5/8
9.241
9/ 61
41
1/8
2.3
9/ 61
3.41
2 5/ 23
8.45
2 7/8
0.37
7 51 / 23
7.981
91 / 23
1.51
25.534.543.5
4.2
AP-87-154BMKAP-6151-154BMK
AP-254BMK
55
22 3/ 612 1/4
L2544CFK613-2544CFK
41-2544CFK112 5 1/4
4.331
5 1/8
81.031
2 3/ 61
85.55
6 3/8
9.161
5/8
61
1/8
2.3
31 / 61
6.02
2 5/ 61
7.85
2 7/83 1/83 1/8
4.97
8 1/2
9.512
9/ 61
3.41
91.998.897.8
0.4
AP-L254BMKAP-613-254BMK
AP-41-254BMK
06
2 1/42 3/82 7/ 61
L41-2544CFK83-2544CFK
617-2544CFK212 5 1/2
7.931
5 5/8
88.241
2 9/ 61
70.56
6 7/8
6.471
5/8
61
1/8
2.3
31 / 61
6.02
2 11 / 61
3.86
3 1/83 3/83 3/8
7.58
9 1/4
0.532
72 / 23
4.12
23.0180.01
69.95.4
AP-L41-254BMKAP-83-254BMK
AP-617-254BMK
572 51 / 61 6151-2544CFK 512 6 1/2
1.5616
04.2513 1/ 61
77.777 3/4
8.6913/402
1/82.3
14.52
3 3/ 610.18
3 51 / 610.001
01 1/44.062
7/82.22
84.65.7
AP-6151-254BMK
;ezispatgnittifnoitacirbuL 1/8 TP"
D G
LH
P
BOLTS-F
B - SquareE - Square
N
A M
Selection Guide – pages 4-9Load Ratings – pages 10-11Additional Information – page 12
21
WIDE 4-BOLT MEDIUM DUTY KROWN REGAL CENTRIK-LOKFLANGE UNITSThese flange units incorporate the advantages of foot mounted pillow blocks but are intended for surface mounting, verticalor horizontal, at right angles to the shaft. Bolt holes are spaced for interchangeability with mounting of similar designs.
tfahS.aiDsehcnI
tinUdegnalFrebmuN
cisaBeziS A B D E F
stloB G H L M N P .tWtinU)gk/sbl( rebmuNgniraeB
1 1554CFK 602 3 1/46.28
3 1/455.28
1 1/201.83
4 1/40.801
7/ 6101
1/ 616.1
71 / 235.31
1 9/ 617.93
1 31 / 610.64
5 91 / 231.241
7/ 611.11
51.34.1
AP-155BMK
1 3/ 61 613-1554CFK 702 3 3/42.59
3 5/880.29
1 11 / 6188.24
4 5/85.711
1/221
1/ 616.1
9/ 613.41
1 3/44.44
28.05
6 1/86.551
51 / 239.11
05.36.1
AP-613-155BMK
1 7/ 61 617-1554CFK 802 4 1/88.401
406.101
1 51 / 6122.94
5 1/42.031
1/221
5/ 460.2
9/ 613.41
2 1/ 462.15
2 1/42.75
6 52 / 232.271
33 / 466.81
78.42.2
AP-617-155BMK
1 1/2 21-1554CFK 902 4 3/81.111
4 1/887.401
1 51 / 6122.94
5 3/85.631
9/ 6141
7/ 468.2
9/ 613.41
2 3/ 460.25
2 1/25.36
7 3/ 232.081
13 / 463.21
71.53.2
AP-21-155BMK
1 11 / 611 3/4
6111-1554CFK43-1554CFK 012 4 9/ 61
9.5114 3/8
21.1112 1/ 23
95.155 5/8
9.2419/ 61
411/8
2.39/ 61
3.412 5/ 23
8.452 3/4
8.967 7/ 61
9.88191 / 23
1.5108.5
6.2AP-6111-155BMK
AP-43-155BMK1 51 / 61 6151-1554CFK 112 5 1/4
4.3315 1/8
81.0312 3/ 61
85.556 3/8
9.1615/8
611/8
2.331 / 61
6.022 5/ 61
7.852 7/8
0.378 1/2
9.5129/ 61
3.4153.9
2.4AP-6151-155BMK
2 3/ 61 613-2554CFK 212 5 1/27.931
5 5/888.241
2 9/ 6170.56
6 7/86.471
5/861
1/82.3
31 / 616.02
2 11 / 613.86
3 1/84.97
9 1/40.532
72 / 234.12
14.017.4
AP-613-255BMK
2 7/ 612 1/2
617-2554CFK21-2554CFK 412 6 1/8
6.5515 7/8
22.9412 3/4
58.967 3/8
3.7815/8
611/4
4.631 / 61
6.023
2.673 3/4
2.599 31 / 61
2.94272 / 23
4.1226.41
6.6AP-617-255BMK
AP-21-255BMK2 11 / 61 6111-2554CFK 512 6 1/2
1.5616
04.2513 1/ 61
77.777 3/4
8.6913/402
1/82.3
14.52
3 3/ 610.18
3 51 / 610.001
01 1/44.062
7/82.22
40.717.7
AP-6111-255BMK
2 51 / 613
6151-2554CFK3554CFK 612 6 3/4
4.1716
04.2513 1/4
55.287 3/4
8.6913/402
1/44.6
14.52
3 1/29.88
4 3/ 614.601
01 1/44.062
1 1/ 232.62
37.815.8
AP-6151-255BMKAP-355BMK
3 3/ 613 7/ 613 1/2
613-3554CFK617-3554CFK
21-3554CFK812 7 3/4
8.6916 3/4
54.1713 52 / 23
40.698 3/4
2.222
3/402
3/ 61
8.414.52
3 13 / 23
8.0014 31 / 61
6.42111 1/4
8.5821 7/ 23
0.13
52.6263.525.11
AP-613-355BMKAP-617-355BMK
AP-21-355BMK
;ezispatgnittifnoitacirbuL 1/8 TP"
D G
LH
P
BOLTS-F
B - SquareE - Square
N
A M
Selection Guide – pages 4-9Load Ratings – pages 10-11Additional Information – page 12
22
NARROW 4-BOLT STANDARD DUTY CENTRIK-LOK FLANGE UNITSThese flange units incorporate the advantages of foot mounted pillow blocks but are intended for surface mounting, verticalor horizontal, at right angles to the shaft. Bolt holes are spaced for interchangeability with mounting of similar designs.
tfahS.aiD tinUdegnalF
rebmuNcisaB
eziS A B D E FstloB G H L M N P .tWtinU
)gk/sbl( rebmuNgniraeBmm sehcni
71
1/25/811 / 61
21-K524CF85-K524CF
6111-K524CF 302 2 1/ 61
4.25
2 1/8
89.35
36 / 46
99.42
3
2.67
3/8
01
9/ 46
6.3
3/8
5.9
1 1/8
6.82
1 1/81 31 / 461 31 / 46
6.03
3 7/8
4.89
5/ 61
9.7
99.059.039.04.0
AP-21-52BMKAP-85-52BMK
AP-6111-52BMK
023/4 43-K524CF
02-K524CF 402 2 5/ 617.85
2 1/205.36
1 5/ 4683.72
3 3/87.58
3/801
5/ 230.4
3/85.9
1 9/ 232.23
1 3/89.43
4 31 / 239.111
31 / 233.01
03.16.0
AP-43-52BMKAP-02-52BMK
52
7/851 / 611
87-K524CF6151-K524CF
1K524CF52-K524CF
502 2 11 / 61
3.86
2 3/4
58.96
1 1/8
85.82
3 3/4
2.59
7/ 61
01
1/8
2.3
7/ 61
1.11
1 5/ 61
3.33
1 9/ 61
7.93
4 92 / 23
6.421
7/ 61
1.11
17.186.156.1
7.0
AP-87-52BMKAP-6151-52BMK
AP-152BMKAP-52-52BMK
03
1 1/81 3/ 611 1/4
81-1K524CF613-1K524CFS41-1K524CF 602 3 3/ 61
0.18
3 1/4
55.28
1 91 / 46
49.23
4 1/4
0.801
7/ 61
01
1/8
2.3
1/2
7.21
1 1/2
1.83
1 31 / 6122
8.05
5 91 / 23
1.241
9/ 61
3.41
05.264.224.21.1
AP-81-152BMKAP-613-152BMKAP-S41-152BMK
53
1 1/41 3/81 7/ 61
41-1K524CF83-1K524CF
617-1K524CF 702 3 11 / 61
7.39
3 5/8
80.29
1 51 / 23
13.73
4 5/8
5.711
1/2
21
5/ 23
0.4
1/2
7.21
1 32 / 23
7.34
22 1/42 1/4
2.75
6 1/8
6.551
12 / 23
7.61
14.313.362.35.1
AP-41-152BMKAP-83-152BMK
AP-617-152BMK
04
1 1/21 5/8
21-1K524CF85-1K524CF
04-K524CF802 4 1/ 61
2.3014
06.1011 9/ 61
76.935 1/4
2.031
1/221
11 / 46
4.4
9/ 61
3.411 31 / 61
0.642 1/2
5.366 52 / 23
2.271
12 / 23
7.61
94.453.4
0.2
AP-21-152BMKAP-85-152BMK
AP-04-52BMK
54
1 5/81 11 / 611 3/4
L85-1K524CF6111-1K524CF
43-1K524CF 902 4 5/ 61
5.901
4 1/8
87.401
1 91 / 23
94.04
5 3/8
5.631
9/ 61
41
11 / 46
4.4
9/ 61
3.41
1 92 / 23
4.84
2 1/22 11 / 612 11 / 61
3.86
7 3/ 23
2.081
32 / 23
3.81
58.487.407.41.2
AP-L85-152BMKAP-6111-152BMK
AP-43-152BMK
05
1 7/81 51 / 61
2
87-1K524CF6151-1K524CF
2K524CF 012 4 1/2
3.411
4 3/8
21.111
1 14 / 46
86.14
5 5/8
9.241
9/ 61
41
5/ 23
0.4
9/ 61
3.41
1 92 / 23
4.84
2 7/8
0.37
7 7/ 61
9.881
32 / 23
3.81
13.522.531.5
3.2
AP-87-152BMKAP-6151-152BMK
AP-252BMK
55
22 3/ 612 1/4
L2K524CF613-2K524CF
41-2K524CF 112 5 3/ 61
8.131
5 1/8
81.031
1 3/4
54.44
6 3/8
9.161
5/8
61
5/ 23
0.4
5/8
9.51
2
8.05
2 7/83 1/83 1/8
4.97
8 1/2
9.512
11 / 61
5.71
35.732.731.7
2.3
AP-L252BMKAP-613-252BMK
AP-41-252BMK
06
2 1/42 3/82 7/ 61
L41-2K524CF83-2K524CF
617-2K524CF 212 5 7/ 61
1.831
5 5/8
88.241
1 75 / 46
30.84
6 7/8
6.471
5/8
61
31 / 46
2.5
11 / 61
5.71
2 3/ 23
2.35
3 1/83 3/83 3/8
7.58
9 9/ 23
7.532
12 / 23
7.61
52.910.998.81.4
AP-L41-252BMKAP-83-252BMK
AP-617-252BMK
572 51 / 61 6151-2K524CF 512 6 7/ 61
5.3616
04.2512 1/8
89.357 3/4
8.6913/402
9/ 231.7
3/40.91
2 31 / 231.16
3 51 / 610.001
01 1/44.062
32 / 233.81
91.310.6
AP-6151-252BMK
,eziscisab502urht302;ezispatgnittifnoitacirbuL 1/4 ,eziscisab512urht602,FNU82-" 1/8 TP"
D G
LH
P
BOLTS-F
B - SquareE - Square
N
A M
Selection Guide – pages 4-9Load Ratings – pages 10-11Additional Information – page 12
23
NARROW 4-BOLT MEDIUM DUTY CENTRIK-LOK FLANGE UNITSThese flange units incorporate the advantages of foot mounted pillow blocks but are intended for surface mounting, verticalor horizontal, at right angles to the shaft. Bolt holes are spaced for interchangeability with mounting of similar designs.
tfahS.aiDsehcnI
tinUdegnalFrebmuN
cisaBeziS A B D E F
stloB G H L M N P .tWtinU)gk/sbl( rebmuNgniraeB
1 1K534CF 602 3 3/ 610.18
3 1/455.28
1 91 / 4649.23
4 1/40.801
7/ 6101
1/82.3
1/27.21
1 1/21.83
1 31 / 610.64
5 91 / 231.241
9/ 613.41
45.22.1
AP-153BMK
1 3/ 61 613-1K534CF 702 3 11 / 617.39
3 5/880.29
1 51 / 2313.73
4 5/85.711
1/221
5/ 230.4
1/27.21
1 32 / 237.34
28.05
6 1/86.551
12 / 237.61
23.35.1
AP-613-153BMK
1 7/ 61 617-1K534CF 802 4 1/ 612.301
406.101
1 9/ 6176.93
5 1/42.031
1/221
11 / 464.4
9/ 613.41
1 31 / 610.64
2 1/42.75
6 52 / 232.271
12 / 237.61
55.41.2
AP-61/7-153BMK
1 1/2 21-1K534CF 902 4 5/ 615.901
4 1/887.401
1 91 / 2394.04
5 3/85.631
9/ 6141
11 / 464.4
9/ 613.41
1 92 / 234.84
2 1/25.36
7 3/ 232.081
32 / 233.81
30.53.2
AP-21-153BMK
1 11 / 611 3/4
6111-1K534CF43-1K534CF 012 4 1/2
3.4114 3/8
21.1111 14 / 46
86.145 5/8
9.2419/ 61
415/ 23
0.49/ 61
3.411 92 / 23
4.842 3/4
8.967 7/ 61
9.88132 / 23
3.8195.5
5.2AP-6111-153BMK
AP-43-153BMK1 51 / 61 6151-1K534CF 112 5 3/ 61
8.1315 1/8
81.0311 3/4
54.446 3/8
9.1615/8
615/ 23
0.45/8
9.512
8.052 7/8
0.378 1/2
9.51211 / 61
5.7196.7
5.3AP-6151-153BMK
2 3/ 61 613-2K534CF 212 5 7/ 611.831
5 5/888.241
1 75 / 4630.84
6 7/86.471
5/861
31 / 462.5
11 / 615.71
2 3/ 232.35
3 1/84.97
9 9/ 237.532
12 / 237.61
43.92.4
AP-613-253BMK
2 7/ 612 1/2
617-2K534CF21-2K534CF 412 6 1/8
6.5515 7/8
22.9412 5/ 46
87.257 3/8
3.7815/8
6191 / 46
5.711 / 61
5.712 3/8
3.063 3/4
2.599 31 / 61
2.94232 / 23
3.8172.21
5.5AP-617-253BMK
AP-21-253BMK2 11 / 61 6111-2K534CF 512 6 7/ 61
5.3616
04.2512 1/8
89.357 3/4
8.6913/402
9/ 231.7
3/40.91
2 31 / 231.16
3 51 / 610.001
01 1/44.062
32 / 233.81
57.312.6
AP-6111-253BMK
2 51 / 613
6151-2K534CF3K534CF 612 6 3/4
4.1716
04.2512 3/ 61
85.557 3/4
8.6913/402
12 / 463.8
31 / 616.12
2 71 / 233.46
4 3/ 614.601
01 1/44.062
11 / 615.71
52.518.6
AP-6151-253BMKAP-353BMK
3 3/ 613 7/ 613 1/2
613-3K534CF617-3K534CF
21-3K534CF812 7 3/4
8.6916 3/4
54.1712 32 / 46
29.958 7/ 61
3.412
3/402
3/85.9
51 / 61
8.322 74 / 46
4.964 31 / 61
6.42111 1/4
8.582
11 / 61
5.71
11.1222.02
1.9
AP-613-353BMKAP-617-353BMK
AP-21-353BMK
;ezispatgnittifnoitacirbuL 1/8 TP"
D G
LH
P
BOLTS-F
B - SquareE - Square
N
A M
4-Bolt flange units, like the foot mounted counterparts, are also provided with a grease fitting for relubricationpurposes. The bolt hole size as well as spacing is interchangeable with other competitive units. Flange unitsare also used in place of pillow blocks for side mounting without providing brackets or any other type ofstructure. Units are also available in the same series and bore sizes as pillow blocks.
These MB flange units have been designed to maintain a minimum overall thickness with the smallest possiblestandoff dimension from the mounting face or back of flange to the outboard face of the inner race. Thisminimizes the necessity of extending shaft lengths and provides interchangeability with other competitive makes.
Selection Guide – pages 4-9Load Ratings – pages 10-11Additional Information – page 12
24
4-BOLT STANDARD DUTY CENTRIK-LOK PILOTED FLANGED UNITStfahS.aiD egnalFdetoliP
rebmuNtinUcisaB
eziSA† B C C F
stloB G 1G H L U .tWtinU)gk/sbl( rebmuNgniraeB
mm sehcnI
53
1 1/41 3/81 7/ 61
41-1544CFP83-1544CFP617-1544CFP 702 573.3
27.58
4 1/8
87.401
5
0.721
1 51 / 23
13.73
7/ 61
01
1/ 23
8.0
…
…
7/8
2.22
1 32 / 23
7.34
3/8
5.9
15.314.353.35.1
AP-41-154BMKAP-83-154BMKAP-617-154BMK
04
1 1/21 5/8
21-1544CFP85-1544CFP
04-544CFP802 526.3
80.294 3/8
21.1115 1/4
4.3311 9/ 61
76.93
7/ 61
01……
1/ 46
4.0
7/82.22
1 53 / 46
3.93
7/ 61
1.11
40.409.38.1
AP-21-154BMKAP-85-154BMK
AP-04-54BMK
54
1 5/81 11 / 611 3/4
L85-1544CFP6111-1544CFP
43-1544CFP 902 526.3
80.29
4 3/8
21.111
5 1/4
4.331
1 91 / 23
94.04
7/ 61
01
…
…
1/ 23
8.0
7/8
2.22
1 71 / 23
9.83
7/ 61
1.11
62.461.490.49.1
AP-L85-154BMKAP-6111-154BMK
AP-43-154BMK
05
1 7/81 51 / 61
2
87-1544CFP6151-1544CFP
2544CFP 012 052.4
59.701
5 1/8
81.031
6 1/8
6.551
1 14 / 46
86.14
1/2
21
…
…
1/ 46
4.0
7/8
2.22
1 93 / 46
9.04
51 / 23
9.11
35.544.553.5
4.2
AP-87-154BMKAP-6151-154BMK
AP-254BMK
55
22 3/ 612 1/4
L2544CFP613-2544CFP
41-2544CFP 112 005.4
03.411
5 3/8
25.631
6 3/8
9.161
1 3/4
54.44
1/2
21
…
…
3/ 46
2.1
7/8
2.22
1 73 / 46
1.04
5/8
9.51
05.660.669.5
7.2
AP-L254BMKAP-613-254BMK
AP-41-254BMK
06
2 1/42 3/82 7/ 61
L41-2544CFP83-2544CFP617-2544CFP 212 000.5
00.721
6
04.251
7 1/8
0.181
1 75 / 46
30.84
9/ 61
41
5/ 23
0.4
…
…
1
4.52
1 92 / 23
4.84
7/8
2.22
80.948.827.8
0.4
AP-L41-254BMKAP-83-254BMKAP-617-254BMK
572 51 / 61 6151-2544CFP 512 573.6
29.1617 1/2
05.0918 3/4
2.2222 1/8
89.355/8
61……
1/82.3
14.52
28.05
14.52
87.417.6
AP-6151-254BMK
;ezispatgnittifnoitacirbuL 1/8 TP")mm00.0-mm50.0+("000.-"200.+:gnitnuomrofecnareloteroB.)mm50.0-mm00.0+("200.-"000.+:ecnareloT†
D
H
M A
G1
L UC
B
G
BOLTS-F
Selection Guide – pages 4-9Load Ratings – pages 10-11Additional Information – page 12
25
4-BOLT MEDIUM DUTY CENTRIK-LOK PILOTED FLANGED UNITStfahS.aiDsehcnI
egnalFdetoliPrebmuNtinU
cisaBeziS
A† B C D F
stloB G 1G H L U .tWtinU)gk/sbl( rebmuNgniraeB
1 3/ 61 613-1554CFP 702 573.327.58
4 1/887.401
50.721
1 51 / 2313.73
7/ 6101
1/ 238.0
……
7/82.22
1 32 / 237.34
3/85.9
17.37.1 AP-613-155BMK
1 7/ 61 617-1554CFP 802 526.380.29
4 3/821.111
5 1/44.331
1 9/ 6176.93
7/ 6101
……
1/ 464.0
7/82.22
1 53 / 463.93
7/ 611.11
79.38.1 AP-617-155BMK
1 1/2 21-1554CFP 902 526.380.29
4 3/821.111
5 1/44.331
1 91 / 2394.04
7/ 6101
……
1/ 238.0
7/82.22
1 71 / 239.83
7/ 611.11
57.42.2 AP-21-155BMK
1 11 / 611 3/4
6111-1554CFP43-1554CFP 012 052.4
59.7015 1/8
81.0316 1/8
6.5511 14 / 46
86.141/221
……
1/ 464.0
7/82.22
1 93 / 469.04
51 / 239.11
16.55.2
AP-6111-155BMKAP-43-155BMK
1 51 / 612
6151-1554CFP2554CFP 112 005.4
03.4115 3/8
25.6316 3/8
9.1611 3/4
54.441/221
……
3/ 462.1
7/82.22
1 73 / 461.04
5/89.51
72.68.2
AP-6151-155BMKAP-255BMK
2 3/ 61 613-2554CFP 212 000.500.721
504.251
7 1/80.181
1 75 / 4630.84
9/ 6141
5/ 230.4
……
14.52
1 92 / 234.84
14.52
99.81.4 AP-613-255BMK
2 7/ 612 1/2
617-2554CFP21-2554CFP 412 005.5
07.9316 1/2
01.5617 5/8
7.3912 5/ 46
87.259/ 61
415/ 23
0.4……
14.52
1 13 / 230.05
14.52
84.112.5
AP-617-255BMKAP-21-255BMK
2 11 / 61 6111-2554CFP 512 573.629.161
7 1/205.091
8 3/42.222
2 1/889.35
5/861
……
1/82.3
14.52
28.05
14.52
44.510.7 AP-6111-255BMK
2 51 / 613
6151-2554CFP3554CFP 612 573.6
29.1617 1/2
05.0918 3/4
2.2222 3/ 61
85.555/8
61……
1/ 616.1
1 1/86.82
2 1/8.45
14.52
68.512.7
AP-6151-255BMKAP-355BMK
3 3/ 613 7/ 613 1/2
613-3554CFP617-3554CFP
21-3554CFP812 573.7
23.7818 5/8
80.91201 1/4
4.0622 32 / 46
29.95
3/402
……
71 / 46
8.61 1/8
6.822 92 / 46
3.261 1/8
6.82
88.3254.326.01
AP-613-355BMKAP-617-355BMK
AP-21-355BMK;ezispatgnittifnoitacirbuL 1/8 TP"
)mm00.0-mm50.0+("000.-"200.+:gnitnuomrofecnareloteroB.)mm50.0-mm00.0+("200.-"000.+:ecnareloT†
D
H
M A
G1
L UC
B
G
BOLTS-F
Piloted flange units provide an accurately machined piloted diameter adjacent to the mounting face to positionthe unit in a close-fitting bore in the mounting surface. This procedure accurately locates the bearing and shaftwithout further adjustment or alignment. Typical include machine builders and manufactures of equipmentwhere the supporting side members are line bored to receive the piloted extension at the rear of the flange unit.
Selection Guide – pages 4-9Load Ratings – pages 10-11Additional Information – page 12
26
WIDE STANDARD DUTY KROWN REGAL BEARINGSwith CENTRIK-LOK Locking Device
tfahS.aiD
mm rebmuNgniraeB cisaBeziS ecnareloTeroB B
† D G J N MT
Y .tWtinU)gk/sbl(
mm sehcni htdiW eziSpaT
71
1/25/811 / 61
AP-21-54BMKAP-85-54BMK
AP-6111-54BMK 302 0000.-5000.+
000.0-310.0+
8475.1
000.04
1 3/ 23
97.72
354.
15.11
8115.
000.31
149.
09.32
1 1/81 31 / 461 31 / 46
6.03
9/ 23
1.7
23-01#
8.X5M
851.
10.4
93.053.033.0
2.0
023/4 AP-43-54BMK
AP-02-54BMK 402 0000.-5000.+000.0-310.0+
4058.1000.74
1 7/ 2369.03
005.07.21
6095.000.51
121.174.82
1 3/89.43
11 / 237.8
1/4 82-1X6M
671.74.4
34.02.0
52
7/851 / 611
AP-87-54BMKAP-6151-54BMK
AP-154BMKAP-52-54BMK
502 0000.-5000.+
000.0-310.0+
2740.2
000.25
1 5/ 61
23.33
265.
72.41
6095.
000.51
313.1
53.33
1 9/ 61
7.93
11 / 23
7.8
1/4 82-
1X6M
671.
74.4
55.025.094.0
2.0
03
1 1/81 3/ 611 1/4
AP-81-154BMKAP-613-154BMKAP-S41-154BMK 602 0000.-5000.+
000.0-310.0+
9044.2
000.26
1 1/2
01.83
526.
88.51
7807.
000.81
785.1
13.04
1 31 / 6122
8.05
7/ 61
1.11
1/4 82-
52.1X8M
202.
31.5
78.048.028.0
4.0
53
1 1/41 3 8/1 7/ 61
AP-41-154BMKAP-83-154BMKAP-617-154BMK 702 0000.-5000.+
000.0-310.0+
6438.2
000.27
1 11 / 61
88.24
886.
84.71
0847.
000.91
748.1
19.64
22 1/42 1/4
2.75
7/ 61
1.11
5/ 61 42-
52.1X8M
722.
77.5
53.103.142.1
6.0
04
1 1/21 5/8
AP-21-154BMKAP-85-154BMK
AP-04-54BMK802 0000.-5000.+
000.0-310.0+6941.3000.08
1 51 / 61
22.94057.50.91
1668.000.22
380.219.25
2 1/25.36
7/ 61
1.11
5/ 61 42-52.1X8M
362.86.6
86.116.1
7.0
54
1 5/81 11 / 611 3/4
AP-L85-154BMKAP-6111-154BMK
AP-43-154BMK 902 0000.-5000.+
000.0-310.0+
5643.3
000.58
1 51 / 61
22.94
057.
50.91
1668.
000.22
182.2
49.75
2 1/22 11 / 612 11 / 61
3.86
7/ 61
1.11
5/ 61 42-
52.1X8M
652.
05.6
39.109.168.1
8.0
05
1 7/81 51 / 61
2
AP-87-154BMKAP-6151-154BMK
AP-254BMK 012 0000.-5000.+
000.0-310.0+
3345.3
000.09
2 1/ 23
95.15
057.
50.91
1668.
000.22
574.2
68.26
2 7/8
0.37
9/ 61
3.41
3/8 42-
5.1X01M
652.
05.6
31.240.259.1
9.0
55
22 3/ 612 1/4
AP-L254BMKAP-613-254BMK
AP-41-254BMK 112 0000.-5000.+
000.0-310.0+
0739.3
000.001
2 3/ 61
85.55
578.
22.22
3489.
000.52
947.2
28.96
2 7/83 1/83 1/8
4.97
9/ 61
3.41
3/8 42-
5.1X01M
892.
75.7
85.264.263.21.1
06
2 1/42 3/82 7/ 61
AP-L41-254BMKAP-83-254BMKAP-617-254BMK 212 0000.-6000.+
000.0-510.0+
7033.4
000.011
2 9/ 61
70.56
000.1
4.52
0360.1
000.72
210.3
05.67
3 1/83 3/83 3/8
7.58
9/ 61
3.41
3/8 42-
5.1X01M
033.
83.8
14.323.392.35.1
572 51 / 61 AP-6151-254BMK 512 0000.-6000.+
000.0-510.0+1811.5000.031
3 1/ 6177.77
213.123.33
5381.1160.03
236.352.29
3 51 / 610.001
9/ 613.41
3/8 42-5.1X01M
662.67.6
44.55.2
.)mm510.0-mm000.0+,"6000.-"0000.+,eziscisab512urht902;)mm310.0-mm000.0+("5000.-"0000.+,eziscisab802urht302;ecnarelot.D.OgniraeB†
B
JD
N
G
TY
M
Selection Guide – pages 4-9Load Ratings – pages 10-11Additional Information – page 12
27
WIDE MEDIUM DUTY KROWN REGAL BEARINGSwith CENTRIK-LOK Locking Device
tfahS.aiDsehcnI
rebmungniraeB cisaBeziS ecnareloTeroB B
† D G J N MT
Y .twtinU)gk/sbl(
htdiW eziSpaT1 AP-155BMK 602 0000.-5000.+
000.0-310.0+9044.2000.26
1 1/201.83
526.88.51
7807.000.81
785.113.04
1 31 / 610.64
7/ 611.11
1/4 82- 202.31.5
29.04.0
1 3/ 61 AP-613-155BMK 702 0000.-5000.+000.0-310.0+
6438.2000.27
1 11 / 6188.24
886.84.71
0847.000.91
748.119.64
28.05
7/ 611.11
5/ 61 42- 722.77.5
03.16.0
1 7/ 61 AP-617-155BMK 802 0000.-5000.+000.0-310.0+
6941.3000.08
1 51 / 6122.94
057.50.91
1668.000.22
380.219.25
2 1/42.75
7/ 611.11
5/ 61 42- 362.86.6
16.17.0
1 1/2 AP-21-155BMK 902 0000.-5000.+000.0-310.0+
5643.3000.58
1 51 / 6122.94
057.50.91
1668.000.22
182.249.75
2 1/25.36
7/ 611.11
5/ 61 42- 652.05.6
39.18.0
1 11 / 611 3/4
AP-6111-155BMKAP-43-155BMK 012 0000.-5000.+
000.0-310.0+3345.3000.09
2 1/ 2395.15
057.50.91
1668.000.22
574.268.26
2 3/48.96
9/ 613.41
3/8 42- 652.05.6
92.20.1
1 51 / 612
AP-6151-155BMKAP-255BMK 112 0000.-5000.+
000.0-310.0+0739.3000.001
2 3/ 6185.55
578.22.22
3489.000.52
947.228.96
2 7/80.37
9/ 613.41
3/8 42- 892.75.7
85.21.1
2 3/ 61 AP-613-255BMK 212 0000.-6000.+000.0-510.0+
7033.4000.011
2 9/ 6170.56
000.104.52
0360.1000.72
210.305.67
3 1/84.97
9/ 613.41
3/8 42- 033.83.8
44.36.1
2 7/ 612 1/2
AP-617-255BMKAP-21-255BMK 412 0000.-0100.+
000.0-520.0+3129.4000.521
2 3/458.96
260.179.62
5451.1423.92
334.385.48
3 3/42.59
9/ 613.41
3/8 42- 662.67.6
43.54.2
2 11 / 61 AP-6111-255BMK 512 0000.-0100.+000.0-520.0+
1811.5000.031
3 1/ 6177.77
213.123.33
5381.1160.03
236.352.29
3 51 / 610.001
9/ 613.41
3/8 42- 662.67.6
68.57.2
2 51 / 613
AP-6151-255BMKAP-355BMK 612 0000.-0100.+
000.0-520.0+8115.5000.041
3 1/455.28
213.123.33
5752.1049.13
029.375.99
4 3/ 614.601
9/ 613.41
3/8 42- 282.61.7
05.69.2
3 3/ 613 7/ 613 1/2
AP-613-355BMKAP-617-355BMK
AP-21-355BMK812 0000.-0100.+
000.0-520.0+2992.6000.061
3 52 / 23
40.69265.176.93
5493.1024.53
693.466.111
4 31 / 61
6.421
9/ 61
3.41
3/8 42- 313.59.7
12.013.4
† 812dna612;)mm510.0-mm000.0+,"6000.-"0000.+,eziscisab512urht902;)mm310.0-mm000.0+("5000.-"0000.+,eziscisab802urht602;ecnarelot.D.OgniraeB.)mm020.0-mm000.0+("8000.-"0000.+,eziscisab
B
JD
N
G
TY
M
Selection Guide – pages 4-9Load Ratings – pages 10-11Additional Information – page 12
28
NARROW STANDARD DUTY KROWN REGAL CENTRIK-LOKBEARINGS
tfahS.aiD rebmuNgniraeB cisaB
eziS ecnareloTeroB B† D G J N M
TY .twtinU
)gk/sbl(mm sehcni htdiW eziSpaT
71
1/25/811 / 61
AP-21-52BMKAP-85-52BMK
AP-6111-52BMK 302 0000.-5000.+
000.0-310.0+
8475.1
000.04
36 / 46
99.42
443.
47.8
8115.
000.31
149.
09.32
1 1/81 31 / 461 31 / 46
6.03
9/ 23
1.7
23-01#
8.X5M
851.
10.4
72.042.022.01.0
023/4 AP-43-52BMK 402 0000.-5000.+
000.0-310.0+4058.1000.74
1 5/ 4683.72
163.71.9
6095.000.51
121.174.82
1 3/89.43
11 / 237.8
1/4 82-1X6M
671.74.4
63.02.0
52
7/851 / 611
AP-87-52BMKAP-6151-52BMK
AP-152BMKAP-52-52BMK
502 0000.-5000.+
000.0-310.0+
2740.2
000.25
1 1/8
85.82
763.
23.9
6095.
000.51
313.1
53.33
1 9/ 61
7.93
11 / 23
7.8
1/4 82-
1X6M
671.
74.4
84.054.024.0
2.0
03
1 1/81 3/ 611 1/4
AP-81-152BMKAP-613-152BMKAP-S41-152BMK
AP-03-52BMK602 0000.-5000.+
000.0-310.0+
9044.2
000.26
1 91 / 46
49.23
793.
80.01
7807.
000.81
785.1
13.04
1 31 / 6122
8.05
7/ 61
1.11
1/4 82-
52.1X8M
202.
31.5
67.047.017.0
3.0
53
1 1/41 3/81 7/ 61
AP-41-152BMKAP-83-152BMKAP-617-152BMK 702 0000.-5000.+
000.0-310.0+
6438.2
000.27
1 51 / 23
13.73
244.
32.11
0847.
000.91
748.1
19.64
22 1/42 1/4
2.75
7/ 61
1.11
5/ 61 42-
52.1X8M
722.
77.5
31.180.120.1
5.0
04
1 1/21 5/8
AP-21-152BMKAP-85-152BMK 802 0000.-5000.+
000.0-310.0+6941.3000.08
1 9/ 61
76.93474.40.21
1668.000.22
380.219.25
2 1/25.36
7/ 61
1.11
5/ 61 42-52.1X8M
362.86.6
54.113.1
6.0
54
1 5/81 11 / 611 3/4
AP-L85-152BMKAP-6111-152BMK
AP-43-152BMK 902 0000.-5000.+
000.0-310.0+
5643.3
000.58
1 91 / 23
94.04
774.
21.21
1668.
000.22
182.2
49.75
2 1/22 11 / 612 11 / 61
3.86
7/ 61
1.11
5/ 61 42-
52.1X8M
652.
05.6
26.195.155.1
7.0
05
1 7/81 51 / 61
2
AP-87-152BMKAP-6151-152BMK
AP-252BMK 012 0000.-5000.+
000.0-310.0+
3345.3
000.09
1 14 / 46
86.14
684.
43.21
1668.
000.22
574.2
68.26
2 7/8
0.37
9/ 61
3.41
3/8 42-
5.1X01M
652.
05.6
48.157.166.1
8.0
55
22 3/ 612 1/4
AP-L252BMKAP-613-252BMK
AP-41-252BMK 112 0000.-5000.+
000.0-310.0+
0739.3
000.001
1 3/4
54.44
145.
47.31
3489.
000.52
947.2
28.96
2 7/83 1/83 1/8
4.97
9/ 61
3.41
3/8 42-
5.1X01M
892.
75.7
44.242.241.20.1
06
2 1/42 3/82 7/ 61
AP-L41-252BMKAP-83-252BMKAP-617-252BMK 212 0000.-6000.+
000.0-510.0+
7033.4
000.011
1 75 / 46
30.84
285.
87.41
0360.1
000.72
210.3
05.67
3 1/83 3/83 3/8
7.58
9/ 61
3.41
3/8 42-
5.1X01M
033.
83.8
39.209.287.23.1
572 51 / 61 AP-6151-252BMK 512 0000.-6000.+
000.0-510.0+1811.5000.031
2 1/889.35
956.47.61
5381.1160.03
236.352.29
3 51 / 610.001
9/ 613.41
3/8 42-5.1X01M
662.67.6
04.40.2
.)mm510.0-mm000.0+,"6000.-"0000.+,eziscisab512urht902;)mm310.0-mm000.0+("5000.-"0000.+,eziscisab802urht302;ecnarelot.D.OgniraeB†
B
JD
N
G
TY
M
Selection Guide – pages 4-9Load Ratings – pages 10-11Additional Information – page 12
29
NARROW MEDIUM DUTY KROWN REGAL CENTRIK-LOKBEARINGS
tfahSretemaiD
sehcnIrebmuNgniraeB cisaB
eziS ecnareloTeroB B† D G J N M
TY .twtinU
)gK/sbL(htdiW eziSpaT
1 AP-153BMK 602 0000.-5000.+000.0-310.0+
9044.2000.26
1 91 / 4649.23
793.80.01
7807.000.81
785.13.04
1 31 / 610.64
7/ 611.11
1/4 82- 202.31.5
29.04.0
1 3/ 61 AP-613-153BMK 702 0000.-5000.+000.0-310.0+
6438.2000.27
1 51 / 2313.73
244.32.11
0847.000.91
748.119.64
28.05
7/ 611.11
5/ 61 42- 722.77.5
03.16.0
1 7/ 61 AP-617-153BMK 802 0000.-5000.+000.0-310.0+
6941.3000.08
1 9/ 6176.93
474.40.21
1668.000.22
380.219.25
2 1/42.75
7/ 611.11
5/ 61 42- 362.86.6
16.17.0
1 1/2 AP-21-153BMK 902 0000.-5000.+000.0-310.0+
5643.3000.58
1 91 / 2394.04
774.21.21
1668.000.22
182.249.75
2 1/25.36
7/ 611.11
5/ 61 42- 652.05.6
39.18.0
1 11 / 611 3/4
AP-6111-153BMKAP-43-153BMK 012 0000.-5000.+
000.0-310.0+3345.3000.09
1 14 / 4686.14
684.43.21
1668.000.22
574.268.26
2 3/48.96
9/ 613.41
3/8 42- 652.05.6
92.20.1
1 51 / 61 AP-6151-153BMK 112 0000.-5000.+000.0-310.0+
0739.3000.001
1 3/454.44
145.47.31
3489.000.52
947.228.96
2 7/80.37
9/ 613.41
3/8 42- 892.75.7
85.21.1
2 3/ 61 AP-613-253BMK 212 0000.-6000.+000.0-510.0+
7033.4000.011
1 75 / 4630.84
285.87.41
0360.1000.72
210.305.67
3 1/84.97
9/ 613.41
3/8 42- 033.83.8
44.36.1
2 7/ 612 1/2
AP-617-253BMKAP-21-253BMK 412 0000.-0100.+
000.0-520.0+3129.4000.521
2 5/ 4687.25
446.63.61
5451.1423.92
334.385.48
3 3/42.59
9/ 613.41
3/8 42- 662.67.6
76.40.2
2 11 / 61 AP-6111-253BMK 512 0000.-0100.+000.0-520.0+
1811.5000.031
2 1/889.35
956.47.61
5381.1160.03
236.352.29
3 51 / 610.001
9/ 613.41
3/8 42- 662.67.6
87.42.2
2 51 / 613
AP-6151-253BMKAP-353BMK 612 0000.-0100.+
000.0-520.0+8115.5000.041
2 3/ 6185.55
696.86.71
5752.1049.13
029.375.99
4 3/ 614.601
9/ 613.41
3/8 42- 282.61.7
08.55.2
3 3/ 613 7/ 613 1/2
AP-613-353BMKAP-617-353BMK
AP-21-353BMK812 0000.-0100.+
000.0-520.0+2992.6000.061
2 32 / 46
29.95408.24.02
5493.1024.53
693.466.111
4 31 / 61
6.421
9/ 61
3.41
3/8 42- 313.59.7
17.828.7
5.3† 812dna612;)mm510.0-mm000.0+,"6000.-"0000.+'eziscisab512urht902;)mm310.0-mm000.0+("5000.-"0000.+,eziscisab802urht602;ecnarelot.D.OgniraeB
.)mm020.0-mm000.0+("8000.-"0000.+,eziscisab
B
JD
N
G
TY
M
Selection Guide – pages 4-9Load Ratings – pages 10-11Additional Information – page 12
30
KROWN REGAL CENTRIK-LOK KCL45 STANDARD DUTY PILLOWBLOCKS with Low Shaft Height
BM54LCKtfahS.aiD
tleB-kniLU3LPY3LP
gninworBSLPMELPM
egdoDBCSBRXS
rinfaFKAR
FKSMW-HYS
retsamlaeSLPNT-LPN
1/2‡9/ 61
5/811 / 61
80B2
012112
802
012
1/29/ 615/811 / 61
890111
3/4‡ 31 / 61
212 212 3/4 3/4 3/4 21
‡ 31 / 61 L7/851 / 611
412512612
412512612
7/851 / 611
31 / 617/851 / 611
31 / 617/851 / 611
31415161
1‡ 1/ 6111/813/ 61
11/4 S
81291202E2
812912S022
11/ 6111/813/ 61
11/4 )602(
11/ 6111/813/ 61
11/ 6111/813/ 61
718191R02
11/415/ 6113/817/ 61
022122222322
022
222322
11/4 )702(15/ 6113/817/ 61
11/415/ 6113/817/ 61
11/415/ 6113/817/ 61
02122232
11/21‡ 9/ 6115/8
422 422 11/2
1BCS 5/8
11/219/ 61
11/2 4252
1‡ 5/8 L1 11 / 6113/41‡ 31 / 61
622722822
622722822
1BXS 5/81 11 / 6113/4
15/81 11 / 6113/4
15/81 11 / 6113/4
627282
1‡ 31 / 61 L17/8
1 51 / 612
13223E2
132 1 51 / 612
31 / 6117/8
1 51 / 61 1 51 / 61
920313R23
L22‡ 1/ 6121/823/ 6121/4
232
532
232
532 23/ 612BCS 1/4
221/ 6121/823/ 61
2
23/ 61
23
4353
2‡ 1/4 L25/ 6123/827/ 61
632
932
2BRXS 1/4
27/ 61
21/425/ 6123/827/ 61
21/4
27/ 61
63
8393
2‡ 5/82‡ 11 / 61 2 11 / 61
2‡ 3/42‡ 31 / 612‡ 7/8
2 51 / 61 2 51 / 61
.ytilibaliavarofstcudorPgniraeBdronxeRtlusnoC.kcotsmorfelbaliavasyawlatoN‡
PILLOW BLOCK COMPARISON CHARTSThe competitive manufacturers are listed in alphabetical order to provide a convenient source of unit substitution. This data isbased on the shaft center height distances. This does not mean these competitive units are interchangeable in all respects. Thebearings can be considered interchangeable in most instances, but should be checked if complete dimensional interchangeabilityis essential.
31
KROWN REGAL CENTRIK-LOK KC45 STANDARD DUTY PILLOWBLOCKS
PILLOW BLOCK COMPARISON CHARTS (cont)The competitive manufacturers are listed in alphabetical order to provide a convenient source of unit substitution. This data isbased on the shaft center height distances. This does not mean these competitive units are interchangeable in all respects. Thebearings can be considered interchangeable in most instances, but should be checked if complete dimensional interchangeabilityis essential.
BM54CKtfahS.aiD
tleB-kniLU3PY3P
gninworBSLPV
egdoDCSRXS
rinfaFCSAR
SAR
FKSMT-YS
retsamlaeSLPN
1/2‡9/ 61
5/811 / 61
80B2
012112
802
012
1/2†
5/8†
1/29/ 615/811 / 61
1/2†
5/8†
890111
3/4‡ 31 / 61
212 212 3/4 3/4 3/4 21
‡ 31 / 61 L7/851 / 611
412512612
412512612
7/851 / 611
31 / 617/851 / 611
31 / 617/851 / 611
31415161
1‡ 1/ 6111/813/ 61
11/4 S
81291202E2
812912S022
11/ 61 †11/8†13/ 61 †
11/4 †)602(
11/ 6111/813/ 61
11/ 6111/813/ 6111/4A
718191R02
11/415/ 6113/817/ 61
022122222322
022
222322
11/4 )702(15/ 6113/817/ 61
11/415/ 6113/817/ 61
11/415/ 6113/817/ 61
02122232
11/21‡ 9/ 6115/8
422 †422 11/2†
1CS 5/8†
11/219/ 61
11/2 4252
1‡ 5/8 L1 11 / 6113/41‡ 31 / 61
622722822
622722822
1RXS 5/81 11 / 6113/4
15/81 11 / 6113/4
15/81 11 / 6113/4
627282
1‡ 31 / 61 L17/8
1 51 / 612
13223E2
132 1 51 / 612
31 / 6117/8
1 51 / 61 1 51 / 61
920313R23
L22‡ 1/ 6121/823/ 6121/4
232
532
232
532 23/ 612CS 1/4
221/ 6121/823/ 61
2
23/ 61
23
4353
2‡ 1/4 L25/ 6123/827/ 61
632
932
632
932
2RXS 1/4
27/ 61
21/425/ 6123/827/ 61
21/4†
27/ 61 †
63
8393
2‡ 5/82‡ 11 / 61 342 2 11 / 61
2‡ 3/42‡ 31 / 612‡ 7/8
2 51 / 61
442
742 2 51 / 61 2 51 / 61 †
23/4†
2 51 / 61 †.ytilibaliavarofstcudorPgniraeBdronxeRtlusnoC.kcotsmorfelbaliavasyawlatoN‡
.ecnatsidthgiehretnectfahssinoitairavsetoneD†
32
KROWN REGAL CENTRIK-LOK KC55 MEDIUM DUTY PILLOWBLOCK
BM55CKtfahS.aiD
gninworBSFM
egdoDMCS
KFSMT-MYS
retsamlaeSPMT-PM
51 / 611 613
5161
13/ 611‡ 1/4 S
913 9102
17/ 61 323 17/ 61 17/ 61 3211/2 423 11/2† 11/2† 42
1 11 / 6113/4
723823
1 11 / 61 †13/4†
1 11 / 61 †13/4†
7282
1 51 / 612
133233
1 51 / 612
1 51 / 61 1323
23/ 6121/4
533633
23/ 6121/4
23/ 61 5363
27/ 6121/2
933043
27/ 6121/2
27/ 6121/2
9304
2 11 / 61 343 2 11 / 61 2 11 / 61 342 51 / 61
3743843
2 51 / 613
2 51 / 613
7484
33/ 6137/ 6131/2
553653
37/ 6131/2
37/ 6131/2
155565
.ytilibaliavarofstcudorPgniraeBdronxeRtlusnoC.kcotsmorfelbaliavasyawlatoN‡.ecnatsidthgiehretnectfahssinoitairavsetoneD†
PILLOW BLOCK COMPARISON CHARTS (cont)The competitive manufacturers are listed in alphabetical order to provide a convenient source of unit substitution. This data isbased on the shaft center height distances. This does not mean these competitive units are interchangeable in all respects. Thebearings can be considered interchangeable in most instances, but should be checked if complete dimensional interchangeabilityis essential.
33
KROWN REGAL CENTRIK-LOK KFC245 STANDARD DUTYFLANGE UNITS
2-BOLT FLANGE UNIT COMPARISON CHARTThe competitive manufacturers are listed in alphabetical order to provide a convenient source of unit substitution. This data isbased on the two most important dimensions-bolt hole size and bolt hole spacing. This does not mean these competitive units areinterchangeable in all respects. The bearings can be considered interchangeable in most instances, but should be checked ifcomplete dimensional interchangeability is essential.
BM)ediW(542CFK)worraN(K522CF
tfahS.aiD
tleB-kniLU3XFY3XF
gninworBS2FME2FM
egdoDCSRXS
rinfaFCTJCRTJCR
FKSMT-TYFMW-TYF
retsamlaeSTFST-TFS
1/2‡9/ 61
5/811 / 61
80B2
012112
802
012
1/2
5/8
1/29/ 615/811 / 61
1/2
5/8
890111
3/4‡ 31 / 61
212 212 3/4 3/4 3/4 21
‡ 31 / 61 L7/851 / 611
412512612
412512612
7/851 / 611
31 / 617/851 / 611
31 / 617/851 / 611
31415161
1‡ 1/ 6111/813/ 61
11/4 S
81291202E2
812912S022
11/ 6111/813/ 61
11/4 )602(
11/ 6111/813/ 61
11/4 S
11/ 6111/813/ 61
11/4 A
718191R02
11/415/ 6113/817/ 61
022122222322
022
222322
11/4 )702(15/ 6113/817/ 61
11/415/ 6113/817/ 61
11/415/ 6113/817/ 61
02122232
11/21‡ 9/ 6115/8
422 422 11/2
1CS 5/8
11/219/ 61
11/2 4252
1‡ 5/8 L1 11 / 6113/41‡ 31 / 61
622722822
622722822
1RXS 5/81 11 / 6113/4
15/81 11 / 6113/4
15/81 11 / 6113/4
627282
1‡ 31 / 61 L17/8
1 51 / 612
13223E2
132 1 51 / 612
31 / 6117/8
1 51 / 61 1 51 / 61
920313R23
L22‡ 1/ 6121/823/ 6121/4
232
532
232
532
221/ 6121/823/ 61
2
23/ 61
23
4353
.ytilibaliavarofstcudorPgniraeBdronxeRtlusnoC.kcotsmorfelbaliavasyawlatoN‡
KROWN REGAL CENTRIK-LOK KFC255 MEDIUM DUTY FLANGEUNITS
BM)ediW(552CFK)worraN(K532CF
tfahS.aiD
egdoDMCS
KFSMT-MTYF
retsamlaeSTFSMT-TFSM
51 / 611
5161
13/ 611‡ 1/4 S
9102
17/ 61 17/ 61 17/ 61 3211/2 11/2 11/2 42
1 11 / 6113/4
1 11 / 6113/4
1 11 / 6113/4
7282
1 51 / 612
1 51 / 61 1323
.ytilibaliavarofstcudorPgniraeBdronxeRtlusnoC.kcotsmorfelbaliavasyawlatoN‡
34
KROWN REGAL CENTRIK-LOK KFC445 STANDARD DUTYFLANGE UNITS
BM)ediW(544CFK)worraN(K524CF
tfahS.aiD
tleB-kniLU3FY3F
gninworBS4FME4FM
egdoDCSRXS
rinfaFCJCRJCR
FKSMT-YTMW-YF
retsamlaeSFST-FS
1/2‡9/ 61
5/811 / 61
80B2
012112
802
012
1/2
5/8
1/29/ 615/811 / 61
1/2
5/8
890111
3/4‡ 31 / 61
212 212 3/4 3/4 3/4 21
‡ 31 / 61 L7/851 / 611
412512612
412512612
7/851 / 611
31 / 617/851 / 611
31 / 617/851 / 611
31415161
1‡ 1/ 6111/813/ 61
11/4 S
81291202E2
812912S022
11/ 6111/813/ 61
11/4 )602(
11/ 6111/813/ 61
11/4 S
11/ 6111/813/ 61
11/4 A
718191R02
11/415/ 6113/817/ 61
022122222322
022
222322
11/4 )702(15/ 6113/817/ 61
11/415/ 6113/817/ 61
11/415/ 6113/817/ 61
02122232
11/21‡ 9/ 6115/8
422 422 11/2
1CS 5/8
11/219/ 61
11/2 4252
1‡ 5/8 L1 11 / 6113/41‡ 31 / 61
622722822
622722822
1RXS 5/81 11 / 6113/4
15/81 11 / 6113/4
15/81 11 / 6113/4
627282
1‡ 31 / 61 L17/8
1 51 / 612
13223E2
132 1 51 / 612
31 / 6117/8
1 51 / 61 1 51 / 61
920313R23
L22‡ 1/ 6121/823/ 6121/4
232
532
232
532 23/ 612CS 1/4
221/ 6121/823/ 61
2
23/ 61
23
4353
2‡ 1/4 L25/ 6123/827/ 61
632
932
632
932
2RXS 1/4
27/ 61
21/425/ 6123/827/ 61
21/4
27/ 61
63
8393
2‡ 5/82‡ 11 / 61 342 342 2 11 / 61 2 11 / 61 342‡ 3/4
2‡ 31 / 612‡ 7/8
2 51 / 61
442
742 742 2 51 / 61 2 51 / 61
23/4
2 51 / 616474
.ytilibaliavarofstcudorPgniraeBdronxeRtlusnoC.kcotsmorfelbaliavasyawlatoN‡
4-BOLT FLANGE UNIT COMPARISON CHARTThe competitive manufacturers are listed in alphabetical order to provide a convenient source of unit substitution. This data isbased on the two most important dimensions-bolt hole size and bolt hole spacing. This does not mean these competitive units areinterchangeable in all respects. The bearings can be considered interchangeable in most instances, but should be checked ifcomplete dimensional interchangeability is essential.
35
KROWN REGAL CENTRIK-LOK KFC455 MEDIUM DUTY FLANGEUNITS
4-BOLT FLANGE UNIT COMPARISON CHART (cont)The competitive manufacturers are listed in alphabetical order to provide a convenient source of unit substitution. This data isbased on the two most important dimensions-bolt hole size and bolt hole spacing. This does not mean these competitive units areinterchangeable in all respects. The bearings can be considered interchangeable in most instances, but should be checked ifcomplete dimensional interchangeability is essential.
BM)ediW(554CFK)worraN(K534CF
tfahS.aiD
gninworBS4FM
egdoDMCS
KFSMT-MYF
retsamlaeSFSMT-FSM
51 / 611 613
5161
13/ 611‡ 1/4 S
913 9102
17/ 61 323 17/ 61 17/ 61 3211/2 423 11/2† 11/2 42
1 11 / 6113/4
723823
1 11 / 61 †13/4†
1 11 / 6113/4
7282
1 51 / 612
133233
1 51 / 612
1 51 / 61 1323
23/ 6121/4
533633
23/ 6121/4
23/ 61 5363
27/ 6121/2
933043
27/ 6121/2
27/ 6121/2
9304
2 11 / 61 343 2 11 / 61 2 11 / 61 342 51 / 61
3743843
2 51 / 613
2 51 / 613
7484
33/ 6137/ 6131/2
553653
37/ 6131/2
37/ 6131/2
155565
.ytilibaliavarofstcudorPgniraeBdronxeRtlusnoC.kcotsmorfelbaliavasyawlatoN‡
36
KROWN REGAL CENTRIK-LOK
37
MB bearings provide design and performance featuresdeveloped by decades of experience in supplying precisionball bearing inserts for other major mounted bearingmanufacturers and complete mounted units to machinery andequipment manufacturers. They are priced competitively tobearings of comparable construction.
In addition to sound basic design and construction, specialfeatures minimize the three most common causes ofpremature bearing failure…loosening of bearings on rotatingshafts, entrance of contaminants or loss of lubricant due toseal failure and insufficient housing strength.
Standard duty and medium duty foot-mounted pillow blocks,flange units, take-up blocks and hanger bearings catalogedin the following pages are available from stock. For othersizes, mountings or special requirements to fit yourapplications, please consult the Rexnord Bearing Products.
MOUNTED BALL BEARINGS designed for long life and precisionperformance.
38
Concentric setscrew shaft locking device
The MB method of fastening the bearing inner race to theshaft provides substantial improvement in holding powercompared to eccentric locking collars and even greaterimprovement over 120 set screw positioning, over-collars andother types of locking arrangement.
Combination seal-flinger system
Optimum protection from loss of lubricant and entrance ofdirt and contaminants is achieved with positive lip-typecontact seals. The resulting longer seal life extends bearinglife significantly.
Rugged, one-piece cast iron housing
Housings are designed to withstand bearing load ratings,external vibration and shock. Foot mounted pillow block boltholes are elongated for easy installation and adjustment.
Spherically-seated bearing insert with anti-rotation device
The spherical fit between the outer race O.D. and I.D. of theblock is precisely controlled for easy shaft alignment. Theanti-rotation device is permanently installed in the bearinginsert O.D. It engages one of the housing insertion slots,preventing outer race creep and wear of housing. There is nodanger of losing a separable pin during field replacement ofbearings and no danger of preloading the bearing as ispossible in other designs where a lube fitting is tightenedagainst a locking pin.
Flinger
Standard“N” Seal
Optional“E1” Seal
Conveniently-locatedLube Fitting
Anti-rotation pin
Loading Slot
39
MB concentric setscrew precision mounted ball bearingsfeature a concentric setscrew shaft locking device, resultingin a great improvement in the holding power (lockingefficiency). Field experience shows substantial improvementin holding power when compared to eccentric locking collarsand even greater improvement in locking efficiency whencompared to 120° set screw positioning and other types oflocking arrangements.
The locking set screws are located at a 90° angularrelationship, rather than the traditional 120°.
A force diagram showing the 120° comparison of the lockingcharacteristics of the old 120 set screw spacing and the 90°shaft locking device, superimposed on an end view of theinner ring, provides a more graphic illustration of the reasonfor the locking improvement. The force diagrams arearranged with an assumed 1,000 pound normal forcebetween each of the set screws and the shaft. If each ofthese forces is resolved into its horizontal and verticalcomponents, as shown in the view, it is seen that theeffectiveness of the two horizontal components is lostbecause they cancel. The two vertical components areadditive, resulting in a force between the shaft and the innerring bore at the side opposite the bisector of the anglebetween the two set screws, equal to the sum of the twovertical components.
When the setscrew angle is at 90°, the horizontal and verticalload vectors are equalized. This optimization providessufficient holding power to the shaft seat while controlling ringdistortion. The results are a bearing that operated smoothlywhile achieving prolong shaft seat mounting tightness.
The positioning of the set screws has the further advantageof simplifying the set screw locking procedure. Rather thanhaving to rotate the shaft (and other heavy componentsattached to it) through a large angle to alternatively tightenthe set screws, the 90° locking device requires little or nomovement of the shaft, to insure proper tightening. This isespecially valuable where surrounding installationcomponents limit maneuverability. In this type of application itcan save installation time as well as assuring properassembly.
PRECISION MOUNTED BALL BEARINGSwith shafting locking device
1000 Normal500 Vertical866 Horizontal
1000 Vertical
120˚ Setscrew Spacing
1000 Normal
707 Vertical707 Horizontal
1414 Vertical
90˚
90˚ Setscrew Spacing
120˚
60˚
45˚
40
MOUNTED BALL BEARINGS – LOAD RATINGS
eziscisaBoC
gnitardaolcitatSC
gnitardaolcisaBtimildeepsetamixorppA
*MPR
dllaB
retemaidN
forebmuNsllab
dN 2
snotweN sdnuop snotweN sdnuop slaesN slaes1E,E ylnosregnilF sehcni302 0494 0111 0018 0281 00041 0009 00851 46/91 7 716.0402 0956 0841 0389 0122 00001 0057 00431 61/5 8 187.0
502 0387 0671 01801 0342 0069 0086 00411 61/5 9 978.0
602 00311 0352 03051 0833 0008 0065 0089 8/3 9 72.1
702 00351 0443 08891 0744 0586 0084 0048 61/7 9 27.1
802 00991 0644 00152 0465 0006 0054 0057 2/1 9 52.2
902 00402 0954 02252 0765 0335 0004 0086 2/1 9 52.2
012 00232 0225 09072 0906 0084 0063 0046 2/1 01 05.2
112 00292 0756 04533 0457 0634 0023 0085 61/9 01 61.3
212 00063 0808 02504 0119 0004 0003 0035 8/5 01 19.3slaesK slaesFFT ylnosregnilF
412 00383 0268 00084 00801 0503 0582 0064 61/11 01 37.4
512 00673 0648 00674 00701 0092 0072 0044 61/11 01 37.4
612 00705 00411 00695 00431 0072 0552 0504 4/3 11 91.6
812 00046 00441 00837 00661 0042 0522 0063 8/7 01 66.7.stcudorPgniraeBdronxeRtlusnoc,srehtollarofC52.roseires53/52rofC51.nahtretaergsidaolehtfI
.daoletaredomdnanoitacirbulesaergnodesaberastimildeepsetamixorppA*
41
MOUNTED BALL BEARINGS – LOAD RATINGS
cisaBgniraeB
L 01muminiM
,efiLsruoH
ETUNIMREPSNOITULOVERSUOIRAVTASDNUOPNISGNITARDAOLLAIDAR
05 001 002 003 004 005 006 007 008 009 0001 0021 0051 0061 0081 0002 0052 0003 0053 0004 0005
302
0003 – – – – 834 704 383 363 743 433 223 303 282 572 562 552 732 322 212 302 8810008 – – 893 743 513 392 672 262 152 142 332 912 302 891 191 481 171 161 251 641 53100002 – 963 392 652 332 612 302 391 481 871 171 161 051 641 141 531 621 811 311 701 00100004 963 392 332 302 481 171 161 251 641 141 531 821 811 511 211 701 001 49 98 58 97000001 272 612 171 051 531 621 811 311 801 401 001 49 78 58 28 97 37 96 56 36 85
402
0003 – – – – 235 494 564 144 224 604 193 863 243 433 223 013 882 172 752 642 9220008 – – 384 224 383 653 533 813 403 392 282 662 742 142 232 422 802 591 581 871 46100002 – 944 653 113 282 262 742 432 422 612 802 591 281 871 171 461 351 441 731 031 12100004 944 653 282 742 422 802 591 581 871 171 461 551 441 041 631 031 121 411 801 401 69000001 033 262 802 281 461 351 441 731 131 621 221 411 601 401 001 69 98 48 08 67 17
502
0003 – – – – 585 345 115 584 464 644 034 504 673 863 453 143 713 892 382 172 1520008 – – 135 464 124 193 863 053 533 223 113 292 172 562 552 642 922 512 402 591 18100002 – 394 193 243 113 882 172 852 642 832 922 512 002 591 881 181 861 851 051 341 33100004 394 193 113 172 642 922 512 402 591 881 181 171 851 451 051 341 331 521 911 411 601000001 363 882 922 002 181 861 851 051 441 831 431 521 711 411 011 601 89 29 88 48 87
602
0003 – – – – 418 657 117 476 646 126 995 465 425 215 294 574 144 514 493 773 0530008 – – 937 646 685 545 215 784 664 844 234 704 873 863 553 243 813 992 482 272 25200002 – 686 545 674 234 104 873 953 343 133 813 992 972 272 262 252 432 022 902 002 58100004 686 545 234 873 343 813 992 482 272 262 252 832 022 512 802 002 581 571 661 951 741000001 505 104 813 972 252 432 022 902 102 391 681 571 361 951 351 741 631 921 221 711 801
702
0003 – – – – 0701 0001 149 298 458 128 297 647 396 776 156 826 385 945 125 894 3640008 – – 879 458 677 027 876 446 616 295 275 835 005 784 074 354 124 593 573 063 33300002 – 809 027 926 275 035 005 574 454 834 124 593 963 063 643 333 013 292 772 462 54200004 809 027 275 005 454 124 593 573 063 643 333 413 292 482 572 462 542 132 022 012 591000001 966 035 124 963 333 013 292 772 662 552 642 132 512 012 302 591 081 071 161 551 341
802
0003 – – – – 0531 0621 0811 0211 0701 0301 0001 149 478 458 228 397 637 296 856 926 4850008 – – 0321 0701 979 909 558 218 777 847 227 976 036 516 395 275 235 994 374 454 02400002 – 0411 909 497 227 966 036 995 375 255 235 994 664 454 734 024 193 863 053 333 90300004 0411 909 227 036 375 235 994 374 454 734 024 793 863 953 843 333 903 292 772 662 642000001 448 966 235 664 024 193 863 053 533 223 113 292 272 662 652 642 822 512 402 591 181
902
0003 – – – – 0631 0621 0911 0311 0801 0401 0001 649 978 958 628 797 047 696 166 236 7850008 – – 0421 0801 489 419 068 718 287 157 527 386 436 816 695 575 435 105 674 754 32400002 – 0511 419 897 527 376 436 206 675 555 435 105 864 754 934 324 393 073 253 533 11300004 0511 419 527 436 675 435 105 674 754 934 324 993 073 163 053 533 113 392 972 762 742000001 848 376 435 864 324 393 073 253 733 423 313 392 372 762 752 742 922 612 502 691 281
012
0003 – – – – 0641 0631 0821 0121 0611 0111 0701 0101 449 229 788 658 597 847 017 9760008 – – 0331 0611 0501 289 429 778 048 708 977 337 186 466 146 716 475 835 115 19400002 – 0321 289 758 977 327 186 746 816 795 475 835 305 194 274 454 224 893 873 06300004 0321 289 977 186 816 475 835 115 194 274 454 824 893 783 573 063 433 513 003 782000001 119 327 475 305 454 224 893 873 263 843 633 513 492 782 672 562 642 232 022 112
112
0003 – – – – 0181 0861 0851 0051 0441 0831 0331 0521 0611 0411 0901 0601 489 629 978 1480008 – – 0461 0441 0031 0121 0411 0801 0401 0001 569 809 348 328 397 467 117 766 336 80600002 – 0351 0121 0601 569 598 348 108 667 937 117 766 326 806 485 265 325 294 864 64400004 0351 0121 569 348 667 117 766 336 806 485 265 035 294 084 564 644 414 093 173 553000001 0211 598 117 326 265 325 294 864 844 034 614 093 463 553 243 923 503 782 372 162
212
0003 – – – – 0912 0302 0191 0181 0471 0761 0161 0251 0141 0831 0231 0821 0811 0111 0601 01010008 – – 0991 0471 0851 0641 0831 0131 0521 0021 0611 0901 0101 499 859 329 958 608 567 43700002 – 0581 0641 0821 0611 0801 0101 869 529 398 958 608 257 437 607 976 236 595 565 93500004 0581 0641 0611 0101 529 958 608 567 437 607 976 146 595 085 265 935 005 274 844 924000001 0631 0801 958 257 976 236 595 565 245 025 305 274 044 924 414 793 863 743 033 613
412
0003 – – – – 0062 0142 0722 0512 0602 0891 0191 0081 0761 0361 0751 0151 0041 02310008 – – 0632 0602 0781 0471 0361 0551 0841 0341 0831 0031 0021 0711 0311 0901 0101 55900002 – 0912 0471 0251 0831 0821 0021 0411 0901 0501 0101 559 298 078 738 508 057 50700004 0912 0471 0831 0021 0901 0101 559 709 078 738 508 067 507 786 666 936 395 955000001 0161 0821 0101 298 508 057 507 076 246 716 695 955 125 905 094 174 734 214
512
0003 – – – – 0752 0932 0522 0312 0402 0691 0981 0871 0561 0261 0551 0051 09310008 – – 0432 0402 0581 0271 0261 0451 0741 0141 0731 0821 0911 0611 0211 0801 000100002 – 0712 0271 0051 0731 0721 0911 0311 0801 0401 0001 649 488 268 928 897 34700004 0712 0271 0731 0911 0801 0001 649 998 268 928 897 357 996 186 066 336 785000001 0061 0721 0001 488 897 347 996 466 636 116 195 455 615 405 684 764 334
612
0003 – – – – 0223 0992 0282 0762 0652 0642 0732 0322 0702 0302 0591 0881 04710008 – – 0392 0652 0232 0612 0302 0391 0481 0771 0171 0161 0941 0641 0141 0531 062100002 – 0272 0612 0881 0171 0951 0941 0241 0631 0131 0621 0811 0011 0801 0301 0001 03900004 0272 0612 0171 0941 0631 0621 0811 0211 0801 0301 0001 349 578 358 728 297 637000001 0002 0951 0621 0011 0001 039 578 238 797 567 047 496 746 236 906 585 245
812
0003 – – – – 0004 0173 0943 0133 0713 0503 0492 0772 0752 0152 0142 03320008 – – 0363 0713 0882 0762 0152 0932 0822 0022 0212 0002 0581 0181 0471 086100002 – 0733 0762 0332 0212 0791 0581 0671 0861 0261 0651 0641 0731 0331 0821 032100004 0733 0762 0212 0581 0861 0651 0641 0931 0331 0821 0321 0611 0801 0501 0201 289000001 0842 0791 0651 0731 0321 0511 0801 0301 889 849 719 068 108 387 457 427
gnitaRdaoLcisaBrofegapsuoiverpeeS.noitacirbulertneuqerferiuqersaeradedahsehtninoitarepO
.stcudorPgniraeBdronxeRtlusnoc,srehtollarofC52.roseires53dna52rofC51.nahtretaergsiPdaolehtfI
42
Standard sealing arrangementsStandard steel clad Type N single lip seals have a usefultemperature range of –40°F to +225°F and can withstandtemperatures of 250°F for intermittent service. Specialsealing arrangements are available for higher temperaturesand “free-running” or special contamination resistance.
Special optional sealing arranagmentsSuffix-MHFF indicates flingers both sides. This provides asealed, “free-running” bearing with heat shield protection. It issatisfactory for temperatures from –40°F to +225°F.
Rexnord Bearing Products must be consulted regardingavailability of any of these optional sealing configurations.
Examples for ordering:1. Bearing Insert MB251–716–MHFFPA2. Mounted Unit C251–716–MHFF
High temperatures ball bearing inserts andhoused unitsMounted ball bearings and MB25, MB35 and ER seriesinserts are available for high temperature applications up to400°F. The “E1” package provides the following features.
1. Extra Internal Diametral Clearance (DC) based on a200°F temperature differential between inner and outerraces, compensates for the inner race expanding at afaster rate than the outer race and will avoid preloading ofthe bearings.
2. Steel Retainer (Cage) – 2 piece riveted construction.
3. High Temperature Lubrication – prelubricated with a No. 2consistency bentone-base grease with petroleum oil.When operated near upper limit, (400°F to 450°F) dailyrelubrication is required.
4. Viton Seals withstand temperatures to 400°F.
Examples for ordering:1. Bearing Insert MB251–716–E1PA2. Mounted Unit C251–716–E1
Free running applications and applicationsabove 400°FSealing options such as –FF (flingers only) for “free running”applications and/or temperatures over 400°F wherecontamination is not severe. The flinger acts as a labyrinthseal. High temperature bearings require a greater amount ofdiametral clearance (DC) and a higher temperature lubricant.Consult Rexnord Bearing Products for recommendations.Consult your MB bearing source for price and availability ofany special features.
Examples for ordering:1. Bearing Insert MB251–716–FFPA2. Mounted Unit C251–716–FF
N SEALS
E1 SEALS
FLINGERS
FLINGERS
214 thru 218 Basic Sizes haveNyla-K seals and Flingers
214 thru 218 Basic Sizes haveModified Nyla-K seals and Flingers
use suffix MKFF
214 thru 218 Basic Sizes haveViton seals and Flingers
use suffix TFF
BASIC MB25/35 SEALS
–MHFF
–E1
–FF
43
STANDARD DUTY PILLOW BLOCKSwith low shaft heightElongated bolt holes allow adjustment to facilitate mounting as well as alignment.
retemaiDtfahS kcolBwolliPrebmuN
cisaBeziS
A†
BC D E F
stloB H L U .tWtinU)gk/sbl( rebmuNgniraeB
mm sehcnI .niM .xaM
71
1/25/811 / 61
21-52LC85-52LC
6111-52LC 302 1 1/ 61
79.62
3 1/8
4.97
4 1/8
8.401
5
0.721
36 / 46
99.42
1 5/ 61
23.33
3/8
01
3/8
5.9
2 5/ 23
8.45
14 / 46
3.61
60.120.1
15.0
AP-21-52BMAP-85-52BM
AP-6111-52BM
023/4 43-52LC
02-52LC 402 1 1/457.13
3 3/87.58
4 3/ 614.601
5 1/43.331
1 1/885.82
1 7/ 6125.63
3/801
51 / 239.11
2 51 / 237.26
3/40.91
44.16.0
AP-43-52BMAP-02-52BM
52
7/851 / 611
87-52LC6151-52LC
152LC52-52LC
502 1 5/ 61
23.33
3 7/ 61
3.78
4 9/ 61
9.511
5 1/2
1.231
1 11 / 46
77.92
1 7/ 61
25.63
3/8
01
51 / 23
9.11
2 11 / 61
3.86
15 / 46
2.02
17.186.176.1
8.0
AP-87-52BMAP-6151-52BM
AP-152BMAP-52-52BM
03
1 1/81 3/ 611 1/4
81-152LC613-152LCS41-152LC
03-52LC602 1 9/ 61
76.93
4 1/8
8.401
5 1/8
2.031
6 1/4
8.851
1 11 / 23
41.43
1 5/8
82.14
1/2
21
71 / 23
5.31
3 1/8
83.97
16 / 46
2.42
72.242.212.2
0.1
AP-81-152BMAP-613-152BMAP-S41-152BM
AP-03-52BM
53
1 1/41 3/81 7/ 61
41-152LC83-152LC
617-152LC53-52LC
702 1 31 / 61
20.64
4 9/ 61
9.511
5 9/ 61
3.141
6 11 / 61
9.961
1 9/ 61
76.93
1 3/4
54.44
1/2
21
11 / 61
5.71
3 5/8
80.29
1 7/ 46
2.82
74.373.313.3
5.1
AP-41-152BMAP-83-152BM
AP-617-152BMAP-53-52BM
04
1 1/21 5/8
21-152LC85-152LC
04-52LC802 1 51 / 61
22.945 1/ 23
8.7216 1/ 23
2.3517 1/4
2.4811 12 / 23
60.241 7/8
26.74
1/221
11 / 61
5.713 51 / 61
20.0011 11 / 46
8.92
45.404.4
0.2
AP-21-152BMAP-85-152BM
AP-04-52BM
54
1 5/81 11 / 611 3/4
L85-152LC6111-152LC
43-152LC 902 2 1/ 61
73.25
5 31 / 23
3.731
6 71 / 23
9.561
7 3/4
8.691
1 94 / 46
68.44
2
08.05
1/2
21
72 / 23
4.12
4 3/ 61
83.601
1 51 / 46
3.13
22.551.580.5
3.2
AP-L85-152BMAP-6111-152BM
AP-43-152BM
05
1 7/81 51 / 61
2
87-152LC6151-152LC
252LC 012 2 3/ 61
85.55
5 72 / 23
4.841
6 72 / 23
8.371
8 1/4
6.902
1 31 / 61
20.64
2 1/8
89.35
5/8
61
51 / 61
8.32
4 7/ 61
27.211
1 71 / 46
2.23
51.660.679.5
7.2
AP-87-152BMAP-6151-152BM
AP-252BM
55
22 3/ 612 1/4
L252LC613-252LC
41-252LC 112 2 7/ 61
29.16
6 5/ 61
3.061
7 1/2
5.091
8 7/8
4.522
1 31 / 61
20.64
2 5/ 61
27.85
5/8
61
51 / 61
8.32
4 92 / 23
16.421
1 9/ 23
5.23
16.713.712.7
3.3
AP-L252BMAP-613-252BM
AP-41-252BM
06
2 1/42 3/82 7/ 61
L41-252LC83-252LC
617-252LC 212 2 11 / 61
82.86
6 92 / 23
4.571
8 5/ 23
2.702
9 5/8
5.442
1 75 / 46
30.84
2 3/8
23.06
5/8
61
1
4.52
5 31 / 23
13.731
1 5/ 61
3.33
70.0138.917.9
4.4
AP-L41-252BMAP-83-252BM
AP-617-252BM
572 51 / 61 6151-252LC 512 3 5/ 61
21.488 1/8
4.60201 1/8
2.75221
8.4032 71 / 46
65.752 7/8
20.377/842
23/112.62
6 51 / 2313.461
1 51 / 233.73
32.614.7
AP-6151-252BM
,eziscisab502urht302;ezispatgnittifnoitacirbuL 1/4 ,eziscisab512urht602,FNU82-" 1/8 TP"† )mm31.0±("500.±,ecnareloT
B MinB Max
C
H
A
BOLTS - F D
U
E
L
Selection Guide – pages 4-6 & 37-39Load Ratings – pages 40-41Additional Information – page 42
44
STANDARD DUTY PILLOW BLOCKSElongated bolt holes allow adjustment to facilitate mounting as well as alignment.
tfahS.aiD kcolBwolliP
rebmuNcisaB
eziSA†
BC D E F
stloB H L U .twtinU)gk/sbl( rebmuNgniraeB
mm sehcnI .niM .xaM
71
1/25/811 / 61
21-52C85-52C
6111-52C 302 1 3/ 61
71.03
3 1/8
4.97
4 1/8
8.401
5
0.721
36 / 46
99.42
1 5/ 61
23.33
3/8
01
1/2
7.21
2 9/ 23
9.75
14 / 46
3.61
11.170.150.1
5.0
AP-21-52BMAP-85-52BM
AP-6111-52BM
023/4 43-52C
02-52C 402 1 5/ 6123.33
3 3/87.58
4 3/ 614.601
5 1/43.331
1 1/885.82
1 7/ 6125.63
3/801
71 / 235.31
2 71 / 233.46
3/40.91
15.17.0
AP-43-52BMAP-02-52BM
52
7/851 / 611
87-52C6151-52C
152C52-52C
502 1 7/ 61
25.63
3 7/ 61
3.78
4 9/ 61
9.511
5 1/2
1.231
1 11 / 46
77.92
1 7/ 61
25.63
3/8
01
91 / 23
1.51
2 31 / 61
4.17
15 / 46
2.02
18.187.157.1
8.0
AP-87-52BMAP-6151-52BM
AP-152BMAP-52-52BM
03
1 1/81 3/ 611 1/4
81-152C613-152CS41-152C
03-52C602 1 11 / 61
88.24
4 1/8
8.401
5 1/8
2.031
6 1/4
8.851
1 11 / 23
41.43
1 5/8
82.14
1/2
21
12 / 23
7.61
3 1/4
6.28
16 / 46
2.42
54.224.293.21.1
AP-81-152BMAP-613-152BMAP-S41-152BM
AP-03-52BM
53
1 1/41 3/81 7/ 61
41-152C83-152C617-152C
53-52C702 1 7/8
26.74
4 9/ 61
9.511
5 9/ 61
3.141
6 11 / 61
9.961
1 9/ 61
76.93
1 3/4
54.44
1/2
21
3/4
0.91
3 11 / 61
7.39
1 7/ 46
2.82
75.374.314.3
6.1
AP-41-152BMAP-83-152BMAP-617-152BM
AP-53-52BM
04
1 1/21 5/8
21-152C85-152C
04-52C802 2 1/8
89.355 1/ 23
8.7216 1/ 23
2.3517 1/4
2.4811 12 / 23
60.241 7/8
26.74
1/221
7/82.22
4 1/88.401
1 11 / 46
8.92
06.464.4
0.2
AP-21-152BMAP-85-152BM
AP-04-52BM
54
1 5/81 11 / 611 3/4
L85-152C6111-152C
43-152C 902 2 1/8
89.35
5 31 / 23
3.731
6 71 / 23
9.561
7 3/4
8.691
1 94 / 46
68.44
2
08.05
1/2
21
92 / 23
0.32
4 1/4
0.801
1 51 / 46
3.13
82.512.541.5
3.2
AP-L85-152BMAP-6111-152BM
AP-43-152BM
05
1 7/81 51 / 61
2
87-152C6151-152C
252C 012 2 1/4
51.75
5 72 / 23
4.841
6 72 / 23
8.371
8 1/4
6.902
1 31 / 61
20.64
2 1/8
89.35
5/8
61
1
4.52
4 1/2
3.411
1 71 / 46
2.23
82.691.601.6
8.2
AP-87-152BMAP-6151-152BM
AP-252BM
55
22 3/ 612 1/4
L252C613-252C
41-252C 112 2 1/2
05.36
6 5/ 61
3.061
7 1/2
5.091
8 7/8
4.522
1 31 / 61
20.64
2 5/ 61
27.85
5/8
61
1
8.52
4 13 / 23
2.621
1 9/ 23
5.23
87.784.783.7
3.3
AP-L252BMAP-613-252BM
AP-41-252BM
06
2 1/42 3/82 7/ 61
L41-252C83-252C617-252C 212 2 3/4
58.96
6 92 / 23
4.571
8 5/ 23
2.702
9 5/8
5.442
1 75 / 46
30.84
2 3/8
23.06
5/8
61
1 1/ 61
0.72
5 51 / 23
9.831
1 5/ 61
3.33
21.0188.967.9
4.4
AP-L41-252BMAP-83-252BMAP-617-252BM
572 51 / 61 6151-252C 512 3 1/2
09.888 1/8
4.60201 1/8
2.75221
8.4032 71 / 46
65.752 7/8
20.377/842
1 7/ 230.13
6 12 / 231.961
1 51 / 233.73
37.616.7
AP-6151-252BM
,eziscisab502urht302;ezispatgnittifnoitacirbuL 1/4 ,eziscisab512urht602,FNU82-" 1/8 TP")mm31.0±("500.±,ecnareloT†
B MinB Max
C
H
A
BOLTS - F D
U
E
L
Selection Guide – pages 4-6 & 37-39Load Ratings – pages 40-41Additional Information – page 42
45
MEDIUM DUTY PILLOW BLOCKSElongated bolt holes allow adjustment to facilitate mounting as well as alignment.
tfahS.aiDsehcnI
kcolBwolliPrebmuN
cisaBeziS
A†
BC D E F
stloB H L U .tWtinU)gk/sbl( rebmuNgniraeB
.niM .xaM
1 153C 602 1 11 / 6188.24
4 1/88.401
5 1/82.031
6 1/48.851
1 11 / 2341.43
1 5/83.14
1/221
12 / 237.61
3 1/46.28
16 / 462.42
45.22.1
AP-153BM
1 3/ 61 613-153C 702 1 7/826.74
4 9/ 619.511
5 9/ 613.141
6 11 / 619.961
1 9/ 6176.93
1 3/44.44
1/221
3/40.91
3 11 / 617.39
1 7/ 462.82
85.36.1
AP-613-153BM
1 7/ 61 617-153C 802 2 1/800.45
5 1/ 238.721
6 1/ 232.351
7 1/42.481
1 12 / 2360.24
1 7/86.74
1/221
7/82.22
4 1/88.401
1 11 / 468.92
56.41.2
AP-617-153BM
1 1/2 21-153C 902 2 1/800.45
5 31 / 233.731
6 71 / 239.561
7 3/48.691
1 94 / 4668.44
28.05
1/221
92 / 230.32
4 1/40.801
1 51 / 463.13
04.54.2
AP-21-153BM
1 11 / 611 3/4
6111-153C43-153C 012 2 1/4
51.755 72 / 23
4.8416 72 / 23
8.3718 1/4
6.9021 31 / 61
20.642 1/8
0.455/8
6114.52
4 1/23.411
1 71 / 462.23
35.60.3
AP-6111-153BMAP-43-153BM
1 51 / 612
6151-153C253C 112 2 1/2
05.366 5/ 61
3.0617 1/2
5.0918 7/8
4.5221 31 / 61
20.642 5/ 61
7.855/8
6114.52
4 13 / 232.621
1 9/ 235.23
78.76.3
AP-6151-153BMAP-253BM
2 3/ 61 613-253C 212 2 3/458.96
6 92 / 234.571
8 5/ 232.702
9 5/85.442
1 75 / 4630.84
2 3/83.06
5/861
1 1/ 610.72
5 51 / 239.831
1 5/ 6123.33
42.016.4
AP-613-253BM
2 7/ 612 1/2
617-253C21-253C 412 3
02.677 1/2
5.0919 1/4
0.53201 3/4
0.3722 51 / 46
47.652 11 / 61
3.863/402
1 5/ 234.92
64.251
1 7/ 615.63
13.310.6
AP-617-253BMAP-21-253BM
2 11 / 61 6111-253C 512 3 1/209.88
8 1/84.602
01 1/82.752
218.403
2 71 / 4665.75
2 7/80.37
7/842
1 7/ 230.13
6 12 / 231.961
1 51 / 233.73
63.719.7
AP-6111-253BM
2 51 / 613
6151-253C353C 612 3 1/2
09.888 3/8
4.52201 1/8
2.75221
8.4032 32 / 46
29.953
2.677/842
1 9/ 235.23
6 7/86.471
1 1/21.83
23.918.8
AP-6151-253BMAP-353BM
3 3/ 613 7/ 613 1/2
613-353C617-353C
21-353C812 4
6.1019 31 / 61
2.94211 51 / 61
2.30341
6.5532 33 / 46
19.363 3/8
7.58
7/842
1 11 / 23
1.437 7/8
0.0021 9/ 61
7.9325.725.21
AP-613-353BMAP-617-353BM
AP-21-353BM;ezispatgnittifnoitacirbuL 1/8 TP"
)mm31.0±("500.±,ecnareloT†
B MinB Max
C
H
A
BOLTS - F D
U
E
L
The most popular mounted units are pillow blocks. Pillow blocks provide an integral unit to support shaftsparallel to the mounting surface. The casting base has elongated holes for the mounting bolts to provideinterchangeability with other competitive makes as well as ease of adjustment during installation. Self-aligningpillow block assemblies usually do not require shimming at the base because self-aligning of the bearing withinthe housing permits enough adjustment.
Selection Guide – pages 4-6 & 37-39Load Ratings – pages 40-41Additional Information – page 42
46
2-BOLT STANDARD DUTY FLANGE UNITSThese flange units incorporate the advantages of foot mounted pillow blocks, but are intended for surface mounting, verticalor horizontal, at right angles to the shaft. Bolt holes are spaced for interchangeability with mountings of similar designs.
tfahS.aiD tinUdegnalF
rebmuNcisaB
eziS A B D FstloB G H L N P .tWtinU
)gk/sbl( rebmuNgniraeBmm sehcnI
71
1/25/811 / 61
21-522CF85-522CF
6111-522CF 302 2 5/ 61
7.85
3
02.67
36 / 46
99.42
3/8
01
9/ 46
6.3
3/8
5.9
1 1/8
6.82
3 7/8
4.89
5/ 61
9.7
18.077.057.0
3.0
AP-21-52BMAP-85-52BM
AP-6111-52BM
023/4 43-522CF
02-522CF 402 2 3/83.06
3 71 / 2396.98
1 1/885.82
3/801
9/ 466.3
7/ 611.11
1 9/ 232.23
4 31 / 239.111
31 / 233.01
19.04.0
AP-43-52BMAP-02-52BM
52
7/851 / 611
87-522CF6151-522CF
1522CF52-522CF
502 2 3/4
8.96
3 75 / 46
28.89
1 11 / 46
77.92
7/ 61
01
1/8
2.3
1/2
7.21
1 5/ 61
3.33
4 7/8
8.321
7/ 61
1.11
23.192.162.1
6.0
AP-87-52BMAP-6151-52BM
AP-152BMAP-52-52BM
03
1 1/81 3/ 611 1/4
81-1522CF613-1522CFS41-1522CF
03-522CF602 3 3/ 61
0.18
4 91 / 23
86.611
1 11 / 23
41.43
7/ 61
01
9/ 46
6.3
71 / 23
5.31
1 1/2
1.83
5 9/ 61
3.141
9/ 61
3.41
97.157.117.1
8.0
AP-81-152BMAP-613-152BMAP-S41-152BM
AP-03-52BM
53
1 1/41 3/81 7/ 61
41-1522CF83-1522CF617-1522CF
53-522CF702 3 11 / 61
7.39
5 1/8
81.031
1 9/ 61
76.93
1/2
21
9/ 46
6.3
9/ 61
3.41
1 32 / 23
7.34
6 1/8
6.551
12 / 23
7.61
96.295.245.22.1
AP-41-152BMAP-83-152BMAP-617-152BM
AP-53-52BM
04
1 1/21 5/8
21-1522CF85-1522CF
04-522CF802 4 1/8
8.4015 12 / 23
76.3411 12 / 23
60.24
1/221
5/ 23
0.4
9/ 61
3.411 31 / 61
0.646 3/4
4.171
12 / 23
7.61
74.333.35.1
AP-21-152BMAP-85-152BM
AP-04-52BM
54
1 5/81 11 / 611 3/4
L85-1522CF6111-1522CF
43-1522CF 902 4 3/8
1.111
5 72 / 23
03.841
1 94 / 46
68.44
9/ 61
41
1/8
2.3
9/ 61
3.41
1 92 / 23
4.84
7 1/ 61
4.971
32 / 23
3.81
64.393.323.35.1
AP-L85-152BMAP-6111-152BM
AP-43-152BM
05
1 7/81 51 / 61
2
87-1522CF6151-1522CF
2522CF 012 4 9/ 61
9.511
6 3/ 61
61.751
1 31 / 61
20.64
9/ 61
41
7/ 46
8.2
5/8
9.51
1 92 / 23
4.84
7 51 / 23
7.981
32 / 23
3.81
34.443.452.49.1
AP-87-152BMAP-6151-152BM
AP-252BM
55
22 3/ 612 1/4
L2522CF613-2522CF
41-2522CF 112 5
0.721
7 1/4
51.481
1 31 / 61
20.64
5/8
61
11 / 46
8.4
32 / 23
7.34
2
8.05
8 1/2
9.512
11 / 61
5.71
40.647.546.5
6.2
AP-L252BMAP-613-252BM
AP-41-252BM
,eziscisab502urht302;ezispatgnittifnoitacirbuL 1/4 ,eziscisab112urht602,FNU82-" 1/8 TP"
A
B N A
BOLTS - F
P
HL
D G
Selection Guide – pages 4-6 & 37-39Load Ratings – pages 40-41Additional Information – page 42
47
2-BOLT MEDIUM DUTY FLANGE UNITSThese flange units incorporate the advantages of foot mounted pillow blocks, but are intended for surface mounting, verticalor horizontal, at right angles to the shaft. Bolt holes are spaced for interchangeability with mountings of similar designs.
tfahS.aiD detinUdegnalF
rebmuNcisaB
eziS AB
C D E FstloB H L U .tWtinU
)gk/sbl( rebmuNgniraeBsehcnI .niM
51 / 61 6151-532CF 602 3 3/ 610.18
4 91 / 2386.611
1 11 / 2341.43
7/ 6101
9/ 466.3
71 / 235.31
1 1/21.83
5 9/ 613.141
9/ 613.41
29.19.0
AP-6151-53BM
1 3/ 61 613-1532CF 702 3 11 / 617.39
5 1/881.031
1 9/ 6176.93
1/221
9/ 466.3
9/ 613.41
1 32 / 237.34
6 1/86.551
12 / 237.61
07.22.1
AP-613-153BM
1 7/ 61 617-1532CF 802 4 1/88.401
5 12 / 2376.341
1 12 / 2360.24
1/221
5/ 230.4
9/ 613.41
1 31 / 610.64
6 3/44.171
12 / 237.61
25.36.1
AP-617-153BM
1 1/2 21-1532CF 902 4 3/81.111
5 72 / 2303.841
1 94 / 4668.44
9/ 6141
1/82.3
9/ 613.41
1 92 / 234.84
7 1/ 614.971
32 / 233.81
85.36.1
AP-21-153BM
1 11 / 611 3/4
6111-1532CF43-1532CF 012 4 9/ 61
9.5116 3/ 61
61.7511 31 / 61
20.649/ 61
417/ 46
8.25/8
9.511 92 / 23
4.847 51 / 23
7.98132 / 23
3.8176.41.2
AP-6111-153BMAP-43-153BM
1 51 / 612
6151-1532CF2532CF 112 5
0.7217 1/4
51.4811 31 / 61
20.645/8
6111 / 46
8.432 / 23
7.342
8.058 1/2
9.51211 / 61
5.7131.6
8.2AP-6151-153BM
AP-253BM
;ezispatgnittifnoitacirbuL 1/8 TP"
A
B N A
BOLTS - F
P
HL
D G
2-Bolt flange units, like the foot mounted counterparts, are also provided with a grease fitting for relubricationpurposes. The bolt hole size as well as spacing is interchangeable with other competitive units. Flange unitsare used in place of pillow blocks for side mounting without providing brackets or any other type of structure.
All MB flange units have been designed to maintain a minimum overall thickness with the smallest possiblestandoff dimension from the mounting face or back of flange to the outboard face of the inner race. Thisminimizes the necssity of extending shaft lengths and provides interchangeability with other competitive makes.
Selection Guide – pages 4-6 & 37-39Load Ratings – pages 40-41Additional Information – page 42
48
4-BOLT STANDARD DUTY FLANGE UNITSThese flange units incorporate the advantages of foot mounted pillow blocks, but are intended for surface mounting, verticalor horizontal, at right angles to the shaft. Bolt holes are spaced for interchangeability with mountings of similar designs.
tfahS.aiD tinUdegnalF
rebmuNcisaB
eziS A B D E FstloB G H L N P .tWtinU
)gk/sbl( rebmuNgniraeBmm sehcnI
71
1/25/811 / 61
21-524CF85-524CF
6111-524CF 302 2 1/ 61
4.25
2 1/8
89.35
36 / 46
99.42
3
2.67
3/8
01
9/ 46
6.3
3/8
5.9
1 1/8
6.82
3 7/8
4.89
5/ 61
9.7
99.059.039.04.0
AP-21-52BMAP-85-52BM
AP-6111-52BM
023/4 43-524CF
02-524CF 402 2 5/ 617.85
2 1/205.36
1 1/885.82
3 3/87.58
3/801
9/ 466.3
3/85.9
1 9/ 232.23
4 31 / 239.111
31 / 233.01
03.16.0
AP-43-52BMAP-02-52BM
52
7/851 / 611
87-524CF6151-524CF
1524CF52-524CF
502 2 11 / 61
3.86
2 3/4
58.96
1 11 / 46
77.92
3 3/4
2.59
7/ 61
01
1/8
2.3
7/ 61
1.11
1 5/ 61
3.33
4 92 / 23
6.421
7/ 61
1.11
17.186.156.1
7.0
AP-87-52BMAP-6151-52BM
AP-152BMAP-52-52BM
03
1 1/81 3/ 611 1/4
613-1524CFS41-1524CF
52-524CF602 3 3/ 61
0.18
3 1/4
55.28
1 11 / 23
41.43
4 1/4
0.801
7/ 61
01
9/ 46
6.3
1/2
7.21
1 1/2
1.83
5 91 / 23
1.241
9/ 61
3.41
05.264.224.21.1
AP-81-152BMAP-613-152BMAP-S41-152BM
AP-03-52BM
53
1 1/41 3/81 7/ 61
41-1524CF83-1524CF617-1524CF
53-524CF702 3 11 / 61
7.39
3 5/8
80.29
1 9/ 61
76.93
4 5/8
5.711
1/2
21
9/ 46
6.3
1/2
7.21
1 32 / 23
7.34
6 1/8
6.551
12 / 23
7.61
14.313.362.35.1
AP-41-152BMAP-83-152BMAP-617-152BM
AP-53-52BM
04
1 1/21 5/8
21-1524CF85-1524CF
04-524CF802 4 1/ 61
2.3014
06.1011 12 / 23
60.245 1/4
2.031
1/221
5/ 23
0.4
9/ 61
3.411 31 / 61
0.646 52 / 23
2.271
12 / 23
7.61
94.453.4
0.2
AP-21-152BMAP-85-152BM
AP-04-52BM
54
1 5/81 11 / 611 3/4
L85-1524CF6111-1524CF
43-1524CF 902 4 5/ 61
5.901
4 1/8
87.401
1 94 / 46
68.44
5 3/8
5.631
9/ 61
41
1/8
2.3
9/ 61
3.41
1 92 / 23
4.84
7 3/ 23
2.081
32 / 23
3.81
58.487.407.41.2
AP-L85-152BMAP-6111-152BM
AP-43-152BM
05
1 7/81 51 / 61
2
87-1524CF6151-1524CF
2524CF 012 4 1/2
3.411
4 3/8
21.111
1 31 / 61
20.64
5 5/8
9.241
9/ 61
41
7/ 46
8.2
9/ 61
3.41
1 92 / 23
4.84
7 7/ 61
9.881
32 / 23
3.81
13.522.531.5
3.2
AP-87-152BMAP-6151-152BM
AP-252BM
55
22 3/ 612 1/4
L2524CF613-2524CF
41-2524CF 112 5 3/ 61
8.131
5 1/8
81.031
1 31 / 61
20.64
6 3/8
9.161
5/8
61
11 / 46
4.4
5/8
9.51
2
8.05
8 1/2
9.512
11 / 61
5.71
35.732.731.7
2.3
AP-L252BMAP-613-252BM
AP-41-252BM
06
2 1/42 3/82 7/ 61
L41-2524CF83-2524CF617-2524CF 212 5 7/ 61
1.831
5 5/8
88.241
1 75 / 46
30.84
8/76
6.471
5/8
61
31 / 46
2.5
11 / 61
5.71
2 3/ 23
2.35
9 9/ 23
7.532
12 / 23
7.61
52.910.998.81.4
AP-L41-252BMAP-83-252BMAP-617-252BM
572 51 / 61 6151-2524CF 512 6 7/ 61
5.3616
04.2512 71 / 46
65.757 3/4
8.6913/402
1/82.3
3/40.91
2 31 / 231.16
01 1/44.062
32 / 233.81
91.310.6
AP-6151-252BM
,eziscisab502urht302;ezispatgnittifnoitacirbuL 1/4 ,eziscisab512urht602,FNU82-" 1/8 TP"
D G
LH
P
BOLTS-F
B - SquareE - Square
N
A
Selection Guide – pages 4-6 & 37-39Load Ratings – pages 40-41Additional Information – page 42
49
4-BOLT MEDIUM DUTY FLANGE UNITSThese flange units incorporate the advantages of foot mounted pillow blocks, but are intended for surface mounting, verticalor horizontal, at right angles to the shaft. Bolt holes are spaced for interchangeability with mountings of similar designs.
tfahS.aiDsehcnI
tinUdegnalFrebmuN
cisaBeziS A B D E F
stloB G H L N P .tWtinU)gk/sbl( rebmuNgniraeB
1 1534CF 602 3 3/ 610.18
3 1/455.28
1 11 / 2341.43
4 1/40.801
7/ 6101
9/ 466.3
1/27.21
1 1/21.83
5 91 / 231.241
9/ 613.41
85.22.1
AP-153BM
1 3/ 61 613-1534CF 702 3 11 / 617.39
3 5/880.29
1 9/ 6176.93
4 5/85.711
1/221
9/ 466.3
1/27.21
1 32 / 237.34
6 1/86.551
12 / 237.61
23.35.1
AP-613-153BM
1 7/ 61 617-1534CF 802 4 1/ 612.301
406.101
1 12 / 2360.24
5 1/42.031
1/221
5/ 230.4
9/ 613.41
1 31 / 610.64
6 52 / 232.271
12 / 237.61
55.41.2
AP-617-153BM
1 1/2 21-1534CF 902 4 5/ 615.901
4 1/887.401
1 94 / 4668.44
5 3/85.631
1/221
1/82.3
9/ 613.41
1 92 / 232.84
7 3/ 232.081
32 / 233.81
30.53.2
AP-21-153BM
1 11 / 611 3/4
6111-1534CF43-1534CF 012 4 1/2
3.4114 3/8
21.1111 31 / 61
20.645 5/8
9.2419/ 61
417/ 46
8.29/ 61
3.411 92 / 23
2.847 7/ 61
9.88132 / 23
3.8195.5
5.2AP-6111-153BM
AP-43-153BM1 51 / 61
26151-1534CF
2534CF 112 5 3/ 618.131
5 1/881.031
1 31 / 6120.64
6 3/89.161
5/861
11 / 464.4
5/89.51
28.05
2/189.512
11 / 615.71
96.75.3
AP-6151-153BMAP-253BM
2 3/ 61 613-2534CF 212 5 7/ 611.831
5 5/888.241
1 75 / 4630.84
6 7/86.471
5/861
31 / 462.5
11 / 615.71
2 3/ 232.35
9 9/ 237.532
12 / 237.61
43.92.4
AP-613-253BM
2 7/ 612 1/2
617-2534CF21-2534CF 412 6 1/8
6.5515 7/8
2.9412 51 / 46
47.657 3/8
3.7815/8
611/8
2.311 / 61
5.712 3/8
3.069 31 / 61
2.94232 / 23
3.8172.21
6.5AP-617-253BM
AP-21-253BM2 11 / 61 6111-2534CF 512 6 7/ 61
5.3616
04.2512 71 / 46
65.757 3/4
8.6913/402
1/82.3
3/40.91
2 31 / 231.16
01 1/44.062
32 / 233.81
57.312.6
AP-6111-253BM
2 51 / 613
6151-2534CF3534CF 612 6 3/4
4.1716
04.2512 32 / 46
29.957 3/4
8.6913/402
11 / 464.4
31 / 616.02
2 71 / 233.46
01 1/44.062
11 / 615.71
52.519.6
AP-6151-253BMAP-353BM
3 3/ 613 7/ 613 1/2
613-3534CF617-3534CF
21-3534CF812 7 3/4
8.6916 3/4
4.1712 33 / 46
19.36
8 7/ 61
3.412
3/402
7/ 23
6.5
51 / 61
8.322 74 / 46
0.4411 1/4
8.582
12 / 23
7.61
11.1222.02
2.9
AP-613-353BMAP-617-353BM
AP-21-353BM
;ezispatgnittifnoitacirbuL 1/8 TP"
D G
LH
P
BOLTS-F
B - SquareE - Square
N
A
4-Bolt flange units, like the foot mounted counterparts, are also provided with a grease fitting for relubricationpurposes. The bolt hole size as well as spacing is interchangeable with other competitive units. Flange unitsare used in place of pillow blocks for side mounting without providing brackets or any other type of structure.Units are available in the same series and bore sizes as pillow blocks.
All MB flange units have been designed to maintain a minimum overall thickness with the smallest possiblestandoff dimension from the mounting face or back of flange to the outboard face of the inner race. Thisminimizes the necessity of extending shaft lengths and provides interchangeability with other competitivemakes.
Selection Guide – pages 4-6 & 37-39Load Ratings – pages 40-41Additional Information – page 42
50
4-BOLT STANDARD DUTY PILOTED FLANGED UNITStfahS.aiD egnalFdetoliP
rebmuNtinUcisaB
eziSA† B C C F
stloB G H L U .tWtinU.)gk/sbl( rebmuNgniraeB
mm sehcnI
53
1 1/41 3/81 7/ 61
41-1524CFP83-1524CFP
617-1524CFP53-524CFP
702 573.3
27.58
4 1/8
87.401
5
0.721
1 9/ 61
76.93
7/ 61
01
71 / 46
8.6
7/8
2.22
1 33 / 46
5.83
3/8
5.9
31.330.379.24.1
AP-41-152BMAP-83-152BM
AP-617-152BMAP-53-52BM
04
1 1/21 5/8
21-1524CFP85-1524CFP
04-524CFP802 526.3
80.294 3/8
21.1115 1/4
4.3311 12 / 23
60.24
7/ 61
01
1/44.6
7/82.22
1 71 / 23
9.83
7/ 61
1.11
36.394.36.1
AP-21-152BMAP-85-152BM
AP-04-52BM
54
1 5/81 11 / 611 3/4
L85-1524CFP6111-1524CFP
43-1524CFP 902 526.3
80.29
4 3/8
21.111
5 1/4
4.331
1 94 / 46
68.44
7/ 61
01
3/ 61
8.4
7/8
2.22
1 73 / 46
1.04
7/ 61
1.11
67.366.395.36.1
AP-L85-152BMAP-6111-152BM
AP-43-152BM
05
1 7/81 51 / 61
2
87-1524CFP6151-1524CFP
2524CFP 012 052.4
59.701
5 1/8
81.031
6 1/8
6.551
1 31 / 61
20.64
1/2
21
31 / 46
2.5
7/8
2.22
1 91 / 23
5.04
51 / 23
9.11
79.488.497.4
2.2
AP-87-152BMAP-6151-152BM
AP-252BM
55
22 3/ 612 1/4
L2524CFP613-2524CFP
41-2524CFP 112 005.4
03.411
5 3/8
25.631
6 3/8
9.161
1 31 / 61
20.64
1/2
21
91 / 46
5.7
7/8
2.22
1 53 / 46
3.93
5/8
9.51
78.575.574.5
5.2
AP-L252BMAP-613-252BM
AP-41-252BM
06
2 1/42 3/82 7/ 61
L41-2524CFP83-2524CFP
617-2524CFP 212 000.5
00.721
6
04.251
7 1/8
0.181
1 75 / 46
30.84
9/ 61
41
73 / 46
7.41
1
4.52
1 11 / 61
9.24
7/8
2.22
04.861.840.8
6.3
AP-L41-252BMAP-83-252BM
AP-617-252BM
572 51 / 61 6151-2524CFP 512 573.6
29.1617 1/2
05.0918 3/4
2.2222 71 / 46
65.755/8
6152 / 46
9.914.52
1 32 / 237.34
14.52
44.311.6
AP-6151-252BM
;ezispatgnittifnoitacirbuL 1/8 TP")mm00.0-mm50.0+("000.-"200.+:gnitnuomrofecnareloteroB.)mm50.0-mm00.0+("200.-"000.+:ecnareloT†
D GA
L U
HBOLTS-F
CB
Selection Guide – pages 4-6 & 37-39Load Ratings – pages 40-41Additional Information – page 42
51
4-BOLT MEDIUM DUTY PILOTED FLANGED UNITStfahS.aiDsehcnI
egnalFdetoliPrebmuNtinU
cisaBeziS
A† B C D F
stloB G H L U .tWtinU)gk/sbl( rebmuNgniraeB
1 3/ 61 613-1534CFP 702 573.327.58
4 1/887.401
50.721
1 9/ 6176.93
7/ 6101
71 / 468.6
7/82.22
1 33 / 465.83
3/85.9
41.34.1
AP-613-153BM
1 7/ 61 617-1534CFP 802 526.380.29
4 3/821.111
5 1/44.331
1 12 / 2360.24
7/ 6101
1/44.6
7/82.22
1 71 / 239.83
7/ 611.11
96.37.1
AP-617-153BM
1 1/2 21-1534CFP 902 526.380.29
4 3/821.111
5 1/44.331
1 94 / 4668.44
7/ 6101
3/ 618.4
7/82.22
1 73 / 461.04
7/ 611.11
58.37.1
AP-21-153BM
1 11 / 611 3/4
6111-1534CFP43-1534CFP 012 052.4
59.7015 1/8
81.0316 1/8
6.5511 31 / 61
20.641/221
31 / 462.5
7/82.22
1 91 / 235.04
51 / 239.11
27.53.2
AP-6111-153BMAP-43-153BM
1 51 / 612
6151-1534CFP2534CFP 112 005.4
03.4115 3/8
25.6316 3/8
9.1611 31 / 61
20.641/221
91 / 465.7
7/82.22
1 53 / 463.93
5/89.51
69.57.2
AP-6151-153BMAP-253BM
2 3/ 61 613-2534CFP 212 000.500.721
504.251
7 1/80.181
1 75 / 4630.84
9/ 6141
73 / 467.41
14.52
1 11 / 469.24
14.52
25.89.3
AP-613-253BM
2 7/ 612 1/2
617-2534CFP21-2534CFP 412 005.5
07.9316 1/2
01.5617 5/8
7.3912 51 / 46
47.659/ 61
4172 / 46
7.0114.52
1 32 / 237.34
14.52
72.016.4
AP-617-253BMAP-21-253BM
2 11 / 61 6111-2534CFP 512 573.629.161
7 1/205.091
8 3/42.222
2 71 / 4665.75
5/861
52 / 469.9
14.52
1 32 / 237.34
14.52
70.414.6
AP-6111-253BM
2 51 / 613
6151-2534CFP3534CFP 612 573.6
29.1617 1/2
05.0918 3/4
2.2222 32 / 46
29.955/8
6112 / 46
3.81 1/8
6.821 11 / 61
9.2414.52
29.313.6
AP-6151-253BMAP-353BM
3 3/ 613 7/ 613 1/2
613-3534CFP617-3534CFP
21-3534CFP812 573.7
23.7818 5/8
80.91201 1/4
4.0622 33 / 46
19.36
3/402
52 / 46
0.011 1/8
6.821 15 / 46
6.541 1/8
6.82
09.1210.12
5.9
AP-613-353BMAP-617-353BM
AP-21-353BM;ezispatgnittifnoitacirbuL 1/8 TP"
)mm00.0-mm50.0+("000.-"200.+:gnitnuomrofecnareloteroB.)mm50.0-mm00.0+("200.-"000.+:ecnareloT†
D GA
L U
HBOLTS-F
CB
Piloted flange units provide an accurately machined piloted diameter adjacent to the mounting face to positionthe unit in a close-fitting bore in the mounting surface. This procedure accurately locates the bearing and shaftwithout further adjustment or alignment. Typical include machine builders and manufactures of equipmentwhere the supporting side members are line bored to receive the piloted extension at the rear of the flange unit.
Selection Guide – pages 4-6 & 37-39Load Ratings – pages 40-41Additional Information – page 42
52
STANDARD DUTY WIDE SLOT TAKE-UP UNITSThese take-up blocks provide support where shaft adjustment and belt-tightening devices or conveyor take-uppulleys are required.
tfahS.aiD tinUpuekaT
rebmuNcisaB
eziS A C D F G H J K L N†
S†† T U Y .tWtinU
)gk/sbl(gniraeBrebmuN
mm sehcnI
023/4 43-52CT
02-52CT 402 2 7/820.37
28.05
1 1/885.82
28.05
1 1/48.13
3/40.91
3 7/84.89
1 3/89.43
3 1/29.88
000.302.67
135.94.31
5/89.51
3/40.91
2 7/ 619.16
68.18.0
AP-43-52BMAP-02-52BM
52
7/851 / 611
87-52CT6151-52CT
152CT52-52CT
502 2 7/8
20.37
2
8.05
1 11 / 46
77.92
2
8.05
1 1/4
8.13
3/4
0.91
3 7/8
4.89
1 3/8
9.43
3 1/2
9.88
000.3
02.67
135.
94.31
5/8
9.51
15 / 46
2.02
2 7/ 61
9.16
58.128.197.1
8.0
AP-87-52BMAP-6151-52BM
AP-152BMAP-52-52BM
03
1 1/81 3/ 611 1/4
81-152CT613-152CTS41-152CT
03-52CT602 3 3/8
7.58
2 1/4
2.75
1 11 / 23
41.43
2 3/ 61
6.55
1 7/ 61
5.63
7/8
2.22
4 1/2
3.411
1 9/ 61
7.93
4 1/8
8.401
005.3
09.88
135.
94.31
11 / 61
5.71
16 / 46
2.42
2 3/4
8.96
57.227.296.22.1
AP-81-152BMAP-613-152BMAP-S41-152BM
AP-03-52BM
53
1 1/41 3/81 7/ 61
41-152CT83-152CT
617-152CT53-52CT
702 4
6.101
2 1/2
5.36
1 9/ 61
76.93
2 3/8
3.06
1 7/ 61
5.63
7/8
2.22
5
0.721
1 9/ 61
7.93
4 1/8
8.401
005.3
09.88
135.
94.31
11 / 61
5.71
1 7/ 46
2.82
3 1/ 61
8.77
91.390.330.34.1
AP-41-152BMAP-83-152BM
AP-617-152BMAP-53-52BM
04
1 1/21 5/8
21-152CT85-152CT
04-52CT802 4 3/ 61
4.6013 1/4
6.281 12 / 23
60.243 1/4
6.281 51 / 61
2.941 1/8
6.825 5/8
4.3312 1/ 61
4.254 3/4
6.021969.318.001
886.84.71
7/82.22
1 11 / 46
8.923 1/2
9.88
42.501.5
3.2
AP-21-152BMAP-85-152BM
AP-04-52BM
54
1 5/81 11 / 611 3/4
L85-152CT6111-152CT
43-152CT 902 4 3/ 61
4.601
3 1/4
6.28
1 94 / 46
68.44
3 1/4
6.28
1 51 / 61
2.94
1 1/8
6.82
5 5/8
4.331
2 1/ 61
4.25
4 3/4
6.021
969.3
18.001
886.
84.71
7/8
2.22
1 51 / 46
3.13
3 7/ 61
3.78
48.477.407.41.2
AP-L85-152BMAP-6111-152BM
AP-43-152BM
05
1 7/81 51 / 61
2
87-152CT6151-152CT
252CT 012 4 7/ 61
7.211
3 1/4
6.28
1 31 / 61
20.64
3 1/4
6.28
1 51 / 61
2.94
1 1/8
6.82
5 7/8
2.941
2 1/ 61
4.25
4 3/4
6.021
969.3
18.001
886.
84.71
7/8
2.22
1 71 / 46
2.23
3 9/ 61
5.09
69.478.487.4
2.2
AP-87-152BMAP-6151-152BM
AP-252BM
55
22 3/ 612 1/4
L252CT613-252CT
41-252CT 112 4 7/8
8.321
3 3/4
2.59
1 31 / 61
20.64
4
6.101
2 1/2
5.36
1 3/8
9.43
6 31 / 61
0.371
2 1/2
5.36
5 7/8
2.941
490.5
93.921
260.1
79.62
1 3/ 61
2.03
1 9/ 23
5.23
4 3/ 61
4.601
87.885.883.8
8.3
AP-L252BMAP-613-252BM
AP-41-252BM
06
2 1/42 3/82 7/ 61
L41-252CT83-252CT
617-252CT 212 5 5/8
9.241
4
6.101
1 75 / 46
30.84
4
6.101
2 1/2
5.36
1 3/8
9.43
7 9/ 61
1.291
2 1/2
5.36
5 7/8
2.941
490.5
93.921
260.1
79.62
1 3/ 61
2.03
1 5/ 61
3.33
4 11 / 61
1.911
76.934.913.9
2.4
AP-L41-252BMAP-83-252BM
AP-617-252BM
572 51 / 61 6151-252CT 512 6 72 / 23
8.3714 3/4
6.0212 71 / 46
65.754 3/ 61
4.6012 3/4
8.961 5/8
3.148 51 / 61
0.7222 3/4
8.966 11 / 61
9.961609.510.051
260.179.62
1 5/ 613.33
1 51 / 233.73
5 1/27.931
42.414.6
AP-6151-252BM
;ezispatgnittifnoitacirbuL 1/8 TP")mm83.0-mm00.0+("510.-"000.+:ecnareloT†
)mm83.0-mm310.0+("510.-"500.+:ecnareloT††
Y
L N
CA
JT
H G F
U
D
SK
Selection Guide – pages 4-6 & 37-39Load Ratings – pages 40-41Additional Information – page 42
53
MEDIUM DUTY WIDE SLOT TAKE-UP UNITSThese take-up blocks provide support where shaft adjustment and belt-tightening devices or conveyor take-uppulleys are required.
tfahS.aiDsehcnI
puekaTtinU
rebmuN
cisaBeziS A C D F G H J K L N
†S†† T U Y .tWtinU
)gk/sbl(gniraeBrebmuN
1 153CT 602 3 3/87.58
2 1/42.75
1 11 / 2341.43
2 3/ 616.55
1 7/ 615.63
7/82.22
4 1/23.411
1 9/ 617.93
4 1/88.401
005.309.88
135.94.31
11 / 615.71
16 / 462.42
2 3/48.96
88.23.1
AP-153BM
1 3/ 61 613-153CT 702 46.101
2 1/25.36
1 9/ 6176.93
2 3/83.06
1 7/ 615.63
7/82.22
50.721
1 9/ 617.93
4 1/88.401
005.309.88
135.94.31
11 / 615.71
1 7/ 462.82
3 1/ 618.77
02.35.1
AP-613-153BM
1 7/ 61 617-153CT 802 4 3/ 614.601
3 1/46.28
1 12 / 2360.24
3 1/46.28
1 51 / 612.94
1 1/86.82
5 5/84.331
2 1/ 614.25
4 3/46.021
969.318.001
886.84.71
7/82.22
1 11 / 468.92
3 1/29.88
92.54.2
AP-617-153BM
1 1/2 21-153CT 902 4 3/ 614.601
3 1/46.28
1 94 / 4668.44
3 1/46.28
1 51 / 612.94
1 1/86.82
5 5/84.331
2 1/ 614.25
4 3/46.021
969.318.001
886.84.71
7/82.22
1 51 / 463.13
3 7/ 613.78
69.42.2
AP-21-153BM
1 11 / 611 3/4
6111-153CT43-153CT 012 4 7/ 61
7.2113 1/4
6.281 31 / 61
20.643 1/4
6.281 51 / 61
2.941 1/8
6.825 7/8
2.9412 1/ 61
4.254 3/4
6.021969.318.001
886.84.71
7/8222
1 71 / 462.23
3 9/ 615.09
12.54.2
AP-6111-153BMAP-43-153BM
1 51 / 61 6151-153CT 112 4 7/88.321
3 3/42.59
1 31 / 6120.64
46.101
2 1/25.36
1 3/89.43
6 31 / 610.371
2 1/25.36
5 7/82.941
490.593.921
260.179.62
1 3/ 612.03
1 9/ 235.23
4 3/ 614.601
78.80.4
AP-6151-153BM
2 3/ 61 613-253CT 212 5 5/89.241
46.101
1 75 / 4630.84
46.101
2 1/25.36
1 3/89.43
7 9/ 611.291
2 1/25.36
5 7/82.941
490.593.921
260.179.62
1 3/ 612.03
1 5/ 613.33
4 11 / 611.911
97.80.4
AP-613-253BM
2 7/ 612 1/2
617-253CT21-253CT 412 6 91 / 23
5.7614 3/4
6.0212 51 / 46
47.654 3/8
1.1112 3/4
8.961 5/8
3.148 11 / 61
7.0222 3/4
8.966 11 / 61
9.961609.510.051
260.179.62
1 5/ 613.33
1 7/ 615.63
5 3/85.631
90.512.2
AP-617-253BMAP-21-253BM
2 11 / 61 6111-253CT 512 6 72 / 238.371
4 3/46.021
2 71 / 4665.75
4 3/81.111
2 3/48.96
1 5/83.14
8 51 / 610.722
2 3/48.96
6 11 / 619.961
609.510.051
260.179.62
1 5/ 613.33
1 51 / 233.73
5 1/27.931
78.417.6
AP-6111-253BM
;ezispatgnittifnoitacirbuL 1/8 TP")mm83.0-mm00.0+("510.-"000.+:ecnareloT†
)mm83.0-mm310.0+("510.-"500.+:ecnareloT††
Y
L N
CA
JT
H G F
U
D
SK
Take-up units provide support where shaft adjustment and belt tightening devices or conveyor take-up pulleysare required. The take-up units slide in added-on frames or frames that are an integral part of the equipmentand a screw or nut adjusts the bearing position.
Adjustment is usually manual, but modifications include adjustments by air cylinders or springs for constanttension. Each shaft usually requires two frames and a typical installation would be a belt conveyor. Take-upunits serve as a tensioning divide compensating for belt stretch and, by adjusting only one side, the belt can bepositioned to run on center.
Selection Guide – pages 4-6 & 37-39Load Ratings – pages 40-41Additional Information – page 42
54
The “T” Frame is a uniquely designed module used as a conveyor belt takeup. Used in pairs, it acts as a belttensioner as well as a belt trainer. They use standard Rexnord Bearing Products pillow blocks or tapped basepillow blocks. Threaded internal adjuster is totally enclosed and is protected against product build-up, rust,corrosion or thread damage. Adjuster tube acts as a bulit-in lubricant reservoir. Available in powder coated mildsteel, or 304 stainless steel. Quick-Release method are also available for fast belt change over or clean up.
STANDARD DUTY BALL BEARING TAKE-UPS
cisaB.oNeziS tnemtsujdA B C E F
stloB G H K TwercSgnitsujdA ).sbL(thgieWtinU
evirD.qS daerhT leetS sselniatS
001369
3 9/ 617 1/ 6111 1/ 61
6 7/801 3/841 3/8
3 11 / 61 3/8 2 5/8 1/4 1 1/2 7/8 3/8 5/8 11-0.30.41.5
6.25.34.4
052
36921
4 3/87 3/801 3/831 3/8
8 1/211 1/241 1/271 1/2
4 1/2 3 1/4 1 7/8 1 1/8 1/2 3/4 01-
8.51.74.89.9
8.48.55.71.8
003
692181
6 1/801 1/841 1/812 1/8
11 1/851 1/891 1/862 1/8
5 1/4 5/8 4 1/4 2 1/4 1 1/2 1/2 7/8 9-
0.111.315.614.02
4.114.315.616.12
004218142
026223
72 3/433 3/493 3/4
7 1/2 3/4 5 1/2 1/4 3 1/2 2 1/8 tundennip 1 1/4 7-9.241.253.16
………
TQP Quick Release Frame
STANDARD DUTY BALLBEARING TAKE-UPS
tfahS.aiD tnemtsujdA emarFT
rebmuN C 1FstloB K L
NT U V Z
wercSgnitsujdA tinUthgieW).sbL(.niM .xaM evirD.qS daerhT
1/2urhT
1
69
6-001PQT9-001PQT
01 3/841 3/8
3/8 3 32 / 235 32 / 23
51/4 2 51 / 61 45/ 61 3/4 35 11/2 37/ 61 3/8 5/8 11- 0.4
0.5
1 1/8urhT
1 3/4
6921
6-052PQT9-052PQT
21-052PQT
11 1/241 1/271 1/2
1/219/ 6131/ 6149/ 61
7 3 31 / 61 5 11 / 61 1468
21/ 23 47/8 1/2 3/4 01-0.72.85.9
“T” FRAME TAKE-UP BLOCKSTP, TPT, TSP and TSPT Protected Screw
Prefix for T-Frame Part Prefix for T-Frame Part No. –No. – Pillow Block mtg. Tapped Base Pillow Blk mtg.TP Mild Steel, Powder Coated TPT Mild Steel, Powder CoatedTSP Stainless Steel TSPT Stainless Steel
T
H
C ADJUST.
E G
B
NMax
NMin L
K V
BOLTS-FF1 F1
N L
V
Pillow BlockPlate
Tapped BasePlate
C ADJUST.
NMax
NMin L
V
F1
U
Z
K
T
Selection Guide – pages 4-6 & 37-39Additional Information – page 42
55
SELECTION CHART PILLOW BLOCK SIZES AND SERIES
PILLOW BLOCK MOUNTING
TAPPED BASE PILLOW BLOCK MOUNTING
eziScisaBrebmuN
emarF-TcisaB
rebmuN
tfahSretemaiD
rebmuNkcolBwolliP1F
stloB LN
VdradnatSgnikcaB gnikcaBwoL .niM .xaM
001
3-0016-0019-001
1/25/811 / 613/47/851 / 611
21-52C85-52C
6111-52C43-52C87-52C
6151-52C152C
21-52LC85-52LC
6111-52LC43-52LC87-52LC
6151-52LC152LC
3/8 5 1/4 2 51 / 61 4 5/ 61 1 1/2
002
3-0526-0529-052
21-052
1 1/81 3/ 611 1/41 1/41 3/81 7/ 611 1/21 5/81 5/8
1 11 / 611 3/4
81-152C613-152CS41-152C
41-152C83-152C
617-152C21-152C85-152C
L85-152C6111-152C
43-152C
81-152LC613-152LCS41-152LC
41-152LC83-152LC
617-152LC21-152LC85-152LC
L85-152LC6111-152LC
43-152LC
1/2 6 3 31 / 61 5 11 / 61 2 1/ 23
003
6-0039-003
21-00381-003
1 7/81 51 / 61
22
2 3/ 612 1/42 1/42 3/82 7/ 61
87-152C6151-152C
252CL252C
613-252C41-252C
L41-252C83-252C
617-252C
87-152LC6151-152LC
252LCL252LC
613-252LC41-252LC
L41-252LC83-252LC
617-252LC
5/8 01 5 9/ 61 8 11 / 61 2 72 / 23
00421-00481-00442-004
2 51 / 61 6151-252C 6151-252LC 3/4 41 8 1/2 11 3/4 3 1/2
eziScisaBrebmuN
rebmuNemarF-TtfahS
retemaiDkcolBwolliP
rebmuN1F
stloB L N VleetS sselniatS
0013-001TPT6-001TPT9-001TPT
3-001PTST6-001PTST9-001TPST
1/25/811 / 613/47/851 / 611
21-52CBT85-52CBT
6111-52CBT43-52CBT87-52CBT
6151-52CBT152CBT
3/8 3 2 1 1/2
002
3-1052TPT6-1052TPT9-1052TPT21-1052TPT
3-1052TPST6-1052TPST9-1052TPST21-1052TPST
1 1/81 3/ 611 1/4
81-152CBT613-152CBTS41-152CBT
7/ 61 4 3 1 1/2
052
3-2052TPT6-2052TPT9-2052TPT21-2052TPT
3-2052TPST6-2052TPST9-2052TPST21-2052TPST
1 1/41 3/8
1 7/ 61
41-152CBT83-152CBT617-152CBT
1/2 4 1/4 3 1/4 2
052
3-5052TPT6-5052TPT9-5052TPT21-5052TPT
3-5052TPST6-5052TPST9-5052TPST21-5052TPST
1 7/81 51 / 61
2
87-152CBT6151-152CBT
252CBT5/8 5 1/2 4 2
Prefix for T-Frame Part No. –TP Mild Steel, Powder CoatedTSP Stainless SteelTQP Stainless Steel, Quick Release
To order frame, specify prefix, size and adjustment.(I.e.TP100-6) Pillow blocks ordered and sold separatelySelection Guide – pages 4-6 & 37-39Additional Information – page 42
56
STANDARD DUTY SCREW CONVEYOR HANGER BEARINGSThese units are for screw conveyor applications. The housings are tapped for a straight pipe thread. The unitsare designed to be supported by high strength pipe as well as secured with a lock nut supplied by the user.
tfahS.aiD tinUregnaH
rebmuNcisaB
eziS A B D E F G HT
U .tWtinU)gk/sbl( rebmuNgniraeB
mm sehcnI paT htpeD
03
11 1/81 3/ 611 1/4
1BHCM81-1BHCM
S613-1BHCMS41-1BHCM
03-BHCM
602 3 3/8
7.58
4 3/ 61
4.601
1 11 / 23
41.43
2 1/2
5.36
1 12 / 23
1.24
7/ 61
1.11
1 7/ 23
0.13
3/4 41- 5/8
9.51
16 / 46
2.42
43.252.222.291.20.1
AP-153BMAP-81-152BM
AP-613-152BMAP-S41-152BM
AP-03-52BM
53
1 3/ 611 1/41 3/81 7/ 61
613-1BHCM41-1BHCM83-1BHCM
S617-1BHCM53-BHCM
702 3 7/8
4.89
4 11 / 61
1.911
1 9/ 61
76.93
2 3/4
8.96
1 12 / 23
1.24
3/8
5.9
1 9/ 23
5.23
3/4 41- 5/8
9.51
1 7/ 46
2.82
53.343.342.381.35.1
AP-613-153BMAP-41-152BMAP-83-152BM
AP-617-152BMAP-53-52BM
04
1 7/ 611 1/21 5/8
617-1BHCM21-1BHCM85-1BHCM
04-BHCM802 4
6.101
4 7/8
8.321
1 12 / 23
60.24
2 7/8
0.37
1 12 / 23
1.24
11 / 23
7.8
1 11 / 23
1.43
3/4 41- 5/8
9.51
1 11 / 46
8.92
44.393.352.35.1
AP-617-153BMAP-21-152BM
AP-85-152BMKAP-04-52BMK
05
1 11 / 611 3/41 7/8
1 51 / 612
6111-1BHCM43-1BHCM87-1BHCM
6151-1BHCM2BHCM
012 4 5/8
5.711
5 9/ 61
3.141
1 31 / 61
20.64
3 1/4
6.28
1 7/8
6.74
31 / 23
3.01
1 31 / 23
1.63
11-1 1/2 31 / 61
6.02
1 71 / 46
2.23
60.589.418.427.436.41.2
AP-6111-153BMAP-43-152BMAP-87-152BM
AP-6151-152BMAP-252BM
06
2 3/ 612 3/82 7/ 61
613-2BHCM83-2BHCM
617-2BHCM 212 5 5/8
8.341
6 31 / 61
0.371
1 75 / 46
30.84
4
6.101
2 5/ 61
7.85
73 / 46
7.41
1 5/8
3.14
1 1/4 11- 1/2 1 1/8
6.82
1 5/ 61
3.33
44.880.869.7
6.3
AP-613-253BMAP-83-252BM
AP-617-252BM
57
2 11 / 612 3/4
2 51 / 61
6111-2BHCM43-2BHCM
6151-2BHCM 512 6 1/2
1.561
7 7/8
0.002
2 71 / 46
65.75
4 5/8
5.711
2 3/4
8.96
73 / 46
7.41
1 13 / 23
0.05
1 1/2 11- 1/2 1 1/4
8.13
1 51 / 23
3.73
72.2141.2146.11
3.5
AP-6111-253BMAP-43-252BM
AP-6151-252BM
08
2 51 / 613
L6151-2BHCM3BHCM 612 7
8.7718 3/8
7.2122 32 / 46
29.954 7/8
8.3212 31 / 61
4.17
53 / 46
9.312 1/ 61
4.251 1/2 11- 1/2 1 1/4
8.131 1/2
1.83
00.6128.51
2.7
AP-6151-253BMAP-353BM
57
3 3/ 613 7/ 613 1/2
613-3BHCM617-3BHCM
21-3BHCM 812 8 5/ 61
5.361
01 5/ 23
0.852
2 33 / 46
19.36
6
4.251
3 1/2
9.88
52 / 23
8.91
2 1/8
0.91
11-2 1/2 1 3/4
4.44
1 9/ 61
7.93
66.5277.4285.421.11
AP-613-353BMAP-617-353BM
AP-21-353BM
;ezispatgnittifnoitacirbuL 1/8 TP"
A
E
D G
M
B
HU
FT
Selection Guide – pages 4-6 & 37-39Load Ratings – pages 40-41Additional Information – page 42
57
STANDARD DUTY HANGER BEARINGSThese units are for screw conveyor applications. The housings are tapped for a straight pipe thread. The unitsare designed to be supported by high strength pipe as well as secured with a lock nut supplied by the user.
tfahS.aiD tinUregnaH
rebmuNcisaB
eziS A B D E F G HT
U .twtinU)gk/sbl(
gniraeBrebmuN
mm sehcnI paT htpeD
03
11 1/81 3/ 611 1/4
1BHEM81-1BHEM
S613-1BHEMS41-1BHEM
03-BHEM
602 3 3/8
7.58
4 3/6
4.601
1 11 / 23
41.43
2 1/2
5.36
1 12 / 23
1.24
7/ 61
1.11
1 7/ 23
0.13
3/4 41- 5/8
9.51
16 / 46
2.42
43.252.222.291.20.1
AP-153BMAP-81-152BMAP-613-152BMAP-S41-152BM
AP-03-52BM
53
1 3/ 611 1/41 3/81 7/ 61
613-1BHEM41-1BHEM83-1BHEM
S617-1BHEM53-BHEM
702 3 7/8
4.89
4 11 / 61
1.911
1 9/ 61
76.93
2 3/4
8.96
1 12 / 23
1.24
3/8
5.9
1 9/ 23
5.23
3/4 41- 5/8
9.51
1 7/ 46
2.82
53.343.342.381.35.1
AP-613-153BMAP-41-152BMAP-83-152BMAP-617-152BM
AP-53-52BM
04
1 7/ 611 1/21 5/8
617-1BHEM21-1BHEM85-1BHEM
04-BHEM802 4
6.101
4 7/8
8.321
1 12 / 23
60.24
2 7/8
0.37
1 12 / 23
1.24
11 / 23
7.8
1 11 / 23
1.43
3/4 41- 5/8
9.51
1 11 / 46
8.92
44.393.352.35.1
AP-617-153BMAP-21-152BM
AP-85-152BMKAP-04-52BMK
05
1 11 / 611 3/41 7/8
1 51 / 612
6111-1BHEM43-1BHEM87-1BHEM
6151-1BHEM2BHEM
012 4 5/8
5.711
5 9/ 61
3.141
1 31 / 61
20.64
3 1/4
6.28
1 7/8
6.74
31 / 23
3.01
1 31 / 23
1.63
11-1 1/2 31 / 61
6.02
1 71 / 46
2.23
60.589.418.427.436.41.2
AP-6111-153BMAP-43-152BMAP-87-152BM
AP-6151-152BMAP-252BM
06
2 3/ 612 3/82 7/ 61
613-2BHEM83-2BHEM617-2BHEM 212 5 5/8
8.341
6 31 / 61
0.371
1 75 / 46
30.84
4
6.101
2 5/ 61
7.85
73 / 46
7.41
1 5/8
3.14
1 1/4 11- 1/2 1 1/8
6.82
1 5/ 61
3.33
44.880.869.7
6.3
AP-613-253BMAP-83-252BMAP-617-252BM
57
2 11 / 612 3/4
2 51 / 61
6111-2BHEM43-2BHEM
6151-2BHEM 512 6 1/2
1.561
7 7/8
0.002
2 71 / 46
65.75
4 5/8
5.711
2 3/4
8.96
73 / 46
7.41
1 13 / 23
0.05
1 1/2 11- 1/2 1 1/4
8.13
1 51 / 23
3.73
72.2141.2146.11
3.5
AP-6111-253BMAP-43-252BM
AP-6151-252BM
08
2 51 / 613
L6151-2BHEM3BHEM 612 7
8.7718 3/8
7.2122 32 / 46
29.954 7/8
8.3212 31 / 61
4.17
53 / 46
9.312 1/ 61
4.251 1/2 11- 1/2 1 1/4
8.131 1/2
1.83
00.6128.51
2.7
AP-6151-253BMAP-353BM
57
3 3/ 613 7/ 613 1/2
613-3BHEM617-3BHEM
21-3BHEM 812 8 5/ 61
5.361
01 5/ 23
0.852
2 33 / 46
19.36
6
4.251
3 1/2
9.88
52 / 23
8.91
2 1/8
0.91
11-2 1/2 1 3/4
4.44
1 9/ 61
7.93
66.5277.4285.421.11
AP-613-353BMAP-617-353BM
AP-21-353BM
;ezispatgnittifnoitacirbuL 1/8 TP"
A
E
D G
M
B
HU
FT
Selection Guide – pages 4-6 & 37-39Load Ratings – pages 40-41Additional Information – page 42
58
STANDARD DUTY TAPPED BASE PILLOW BLOCK MOUNTINGSTapped base pillow block mountings can be obtained for applications having space limitations, such asclose spacing of conveying rolls. The “feet” of the standard pillow block housing is eliminated. The base isdrilled and tapped from the underside for mounting bolts.
tfahS.aiD kcolBwolliP
rebmuNcisaB
eziSA† B C D E
FL U .twtinU
)gk/sbl( rebmuNgniraeBmm sehcnI paT htpeD
71
1/25/811 / 61
21-52CBT85-52CBT
6111-52CBT 302 1 5/ 61
23.33
2
08.05
2 7/8
0.37
36 / 46
99.42
1 5/ 61
23.33
3/8 61- 1/2
7.21
2 31 / 23
1.16
14 / 46
3.61
60.120.100.1
4.0
AP-21-52BMAP-85-52BM
AP-6111-52BM
023/4 43-52CBT
02-52CBT 402 1 5/ 6123.33
208.05
2 7/80.37
1 1/885.82
1 7/ 6125.63
3/8 61- 1/27.21
2 71 / 233.46
3/40.91
02.15.0
AP-43-52BMAP-02-52BM
52
7/851 / 611
87-52CBT6151-52CBT
152CBT52-52CBT
502 1 7/ 61
25.63
2
08.05
3
2.67
1 11 / 46
77.92
1 7/ 61
25.63
3/8 61- 1/2
7.21
2 31 / 61
4.17
15 / 46
2.02
04.173.143.1
6.0
AP-87-52BMAP-6151-52BM
AP-152BMAP-52-52BM
03
1 1/81 3/ 611 1/4
81-152CBT613-152CBTS41-152CBT
03-52CBT602 1 11 / 61
88.24
3
02.67
4
6.101
1 11 / 23
41.43
1 5/8
82.14
7/ 61 41- 5/8
9.51
3 1/4
6.28
16 / 46
2.42
53.223.292.20.1
AP-81-152BMAP-613-152BMAP-S41-152BM
AP-03-52BM
53
1 1/41 3/81 7/ 61
41-152CBT83-152CBT617-152CBT
53-52CBT702 1 7/8
26.74
3 1/4
55.28
4 1/4
0.801
1 9/ 61
76.93
1 3/4
54.44
1/2 31- 3/4
0.91
3 11 / 61
7.39
1 7/ 46
2.82
31.330.379.24.1
AP-41-152BMAP-83-152BMAP-617-152BM
AP-53-52BM
04
1 1/21 5/8
21-152CBT85-152CBT
04-52CBT802 1 51 / 61
22.943 1/2
09.884 5/8
5.7111 12 / 23
60.241 7/8
26.74
1/2 31- 3/40.91
3 51 / 61
0.0011 11 / 46
8.92
76.335.36.1
AP-21-152BMAP-85-152BM
AP-04-52BM
54
1 5/81 11 / 611 3/4
L85-152CBT6111-152CBT
43-152CBT 902 2 1/8
89.35
3 3/4
52.59
5
0.721
1 94 / 46
68.44
2
08.05
1/2 31- 3/4
0.91
4 1/4
0.801
1 51 / 46
3.13
57.486.416.4
1.2
AP-L85-152BMAP-6111-152BM
AP-43-152BM
05
1 7/81 51 / 61
2
87-152CBT6151-152CBT
252CBT 012 2 1/4
51.75
4
06.101
5 1/2
7.931
1 31 / 61
20.64
2 1/8
89.35
5/8 11- 7/8
2.22
4 1/2
3.411
1 71 / 46
2.23
66.575.584.5
5.2
AP-87-152BMAP-6151-152BM
AP-252BM
,eziscisab502urht302;ezispatgnittifnoitacirbuL 1/4 ,eziscisab012urht602,FNU82-" 1/8 TP")mm31.0±("500.±,ecnareloT†
A
L
U
E
F
45˚
D
BC
Selection Guide – pages 4-6 & 37-39Load Ratings – pages 40-41Additional Information – page 42
59
3-BOLT FLANGE STANDARD DUTY BRACKET UNITSThe 3-bolt flange bracket units is intended for mounting conditions where space limitations will not permit usinganother type of premounted ball bearing pillow block design. For instance, the 3-bolt flange bracket is wellsuited for surface mounting in any type of equipment where there is insufficient mounting space available foranother type of bearing design.
tfahS.aiD
degnalFtinUtekcarB
rebmuN
cisaBeziS A B C D E F
stloB G H K L N P U .twtinU)gk/sbl(
gniraeBrebmuN
mm sehcnI
023/4 43-52BFM
02-52BFM 402 2 1/25.36
1 11 / 619.24
7/82.22
1 1/885.82
2 3/83.06
3/801
1/44.6
5/ 619.7
32.67
1 3/89.43
4 1/40.801
52 / 469.9
1 1/21.83
44.16.0
AP-43-52BMAP-02-52BM
52
7/851 / 611
87-52BFM6151-52BFM
152BFM52-52BFM
502 2 3/4
8.96
1 31 / 61
0.64
1 1/8
6.82
1 11 / 46
77.92
2 1/2
5.36
3/8
01
32 / 46
1.9
3/8
5.9
3 3/8
7.58
1 71 / 23
9.83
4 3/4
6.021
72 / 46
7.01
1 5/8
3.14
08.177.147.1
8.0
AP-87-52BMAP-6151-52BM
AP-152BMAP-52-52BM
03
1 1/81 3/ 611 1/4
81-152BFM613-152BFMS41-152BFM
03-52BFM602 3 1/4
6.28
2 1/ 61
3.25
1 1/4
8.13
1 11 / 23
41.43
2 3/4
8.96
3/8
01
71 / 46
8.6
3/8
5.9
3 3/4
2.59
1 34 / 46
5.24
5 3/8
5.631
53 / 46
9.31
1 7/8
6.74
70.240.210.2
9.0
AP-81-152BMAP-613-152BMAP-S41-152BM
AP-03-52BM
53
1 1/41 3/81 7/ 61
41-152BFM83-152BFM617-152BFM
53-52BFM702 3 3/4
2.59
2 3/8
3.06
1 1/4
8.13
1 9/ 61
76.93
3 11 / 23
3.58
1/2
21
52 / 46
9.9
1/2
7.21
4 1/4
0.801
1 16 / 46
6.94
6 1/8
6.551
14 / 46
3.61
2
8.05
54.353.392.35.1
AP-41-152BMAP-83-152BMAP-617-152BM
AP-53-52BM,eziscisab502dna402;ezispatgnittifnoitacirbuL 1/4 ,eziscisab702dna602,FNU82-" 1/8 TP"
A LP
EU H
BOLTS - F
B
C
K
N
45˚
D G
3-Bolt flange units are available in standard shaft sizes with the bolt hole size and spacing interchangeable withother competitive units. This does not mean the units are interchangeable in all respects with competition, butcan be considered interchangeable in most instances. The units should be thoroughly compared if completedimensional interchangeability is essential.
Selection Guide – pages 4-6 & 37-39Load Ratings – pages 40-41Additional Information – page 42
60
MB25 STANDARD DUTY SERIES BEARINGS ONLYwith Concentric Setscrew Locking Device
tfahS.aiD rebmuNgniraeB cisaB
eziSeroB
ecnareloTB† D G J N S
TY .twtinU
)gk/sbl(mm sehcnI eziSpaT
71
1/25/811 / 61
AP-21-52BMAP-85-52BM
AP-6111-52BM 302 0000.-5000.+
000.0-310.0+
8475.1
000.04
36 / 46
99.42
443.
47.8
8115.
000.31
149.
09.32
91.
8.4
23-01#
8.X5M
851.
10.4
52.012.091.01.0
023/4 AP-43-52BM
AP-02-52BM 402 0000.-5000.+000.0-310.0+
4058.1000.74
1 1/885.82
673.55.9
6095.000.51
121.174.82
32.8.5
1/4 82-1X6M
671.74.4
23.01.0
52
7/851 / 611
AP-87-52BMAP-6151-52BM
AP-152BMAP-52-52BM
502 0000.-5000.+
000.0-310.0+
2740.2
000.25
1 11 / 46
77.92
673.
55.9
6095.
000.51
313.1
53.33
52.
4.6
1/4 82-
1X6M
671.
74.4
34.004.073.0
2.0
03
1 1/81 3/ 611 1 4/
AP-81-152BMAP-613-152BMAP-S41-152BM
AP-03-52BM602 0000.-5000.+
000.0-310.0+
9044.2
000.26
1 11 / 23
41.43
293.
69.9
7807.
000.81
785.1
13.04
13.
9.7
5/ 61 42-
52.1X8M
202.
31.5
36.006.075.0
3.0
53
1 1 4/1 3/81 7/ 61
AP-41-152BMAP-83-152BM
AP-617-152BMAP-53-52BM
702 0000.-5000.+
000.0-310.0+
6438.2
000.27
1 9/ 61
76.93
454.
35.11
0847.
000.91
748.1
19.64
43.
6.8
5/ 61 42-
52.1X8M
722.
77.5
20.129.068.0
4.0
04
1 1/21 5/8
AP-21-152BMAP-85-152BM
AP-04-52BM802 0000.-5000.+
000.0-310.0+6941.3000.08
1 12 / 23
60.24584.23.21
1668.000.22
380.219.25
43.6.8
5/ 61 42-52.1X8M
362.86.6
72.102.1
5.0
54
1 5/81 11 / 611 3/4
AP-L85-152BMAP-6111-152BM
AP-43-152BM 9020000.-5000.+
000.0-310.0+
5643.3
000.58
1 94 / 46
68.44
235.
15.31
1668.
000.22
182.2
49.75
63.
1.9
5/ 61 42-
52.1X8M
652.
05.6
05.134.163.1
6.0
05
1 7/81 51 / 61
2
AP-87-152BMAP-6151-152BM
AP-252BM 012 0000.-5000.+
000.0-310.0+
3345.3
000.09
1 31 / 61
20.64
235.
15.31
1668.
000.22
574.2
68.26
83.
7.9
3/8 42-
5.1X01M
652.
05.6
75.184.193.1
7.0
55
22 3/ 612 1 4/
AP-L252BMAP-613-252BM
AP-41-252BM 112 0000.-5000.+
000.0-310.0+
0739.3
000.001
1 31 / 61
20.64
735.
46.31
3489.
000.52
947.2
28.96
83.
7.9
3/8 42-
5.1X01M
892.
75.7
72.279.178.1
9.0
06
2 1 4/2 3/82 7/ 61
AP-L41-252BMAP-83-252BM
AP-617-252BM 212 0000.-6000.+
000.0-510.0+
7033.4
000.011
1 75 / 46
30.84
875.
86.41
0360.1
000.72
210.3
05.67
83.
7.9
3/8 42-
5.1X01M
033.
83.8
58.216.294.22.1
572 51 / 61 AP-6151-252BM 512 0000.-6000.+
000.0-510.0+1811.5000.031
2 71 / 4665.75
408.24.02
5381.1160.03
236.352.29
73.4.9
3/8 42-5.1X01M
662.67.6
69.37.1
.)mm510.0-mm000.0+,"6000.-"0000.+,eziscisab512urht902;)mm310.0-mm000.0+("5000.-"0000.+,eziscisab802urht302;ecnarelot.D.OgniraeB†
T
B
Y
S G
N
JD
Selection Guide – pages 4-6 & 37-39Load Ratings – pages 40-41Additional Information – page 42
61
MB35 MEDIUM DUTY SERIES BEARINGS ONLYwith Concentric Setscrew Locking Device
tfahS.aiDsehcnI
rebmuNgniraeB cisaBeziS
eroBecnareloT
B† D G J N S
TY .twtinU
)gk/sbl(eziSpaT
1 AP-153BM 602 0000.-5000.+000.0-310.0+
9044.2000.26
1 11 / 2341.43
293.69.9
7807.000.81
785.113.04
13.9.7
1/4 82- 202.31.5
27.03.0
1 3/ 61 AP-613-153BM 702 0000.-5000.+000.0-310.0+
6438.2000.27
1 9/ 6176.93
454.35.11
0847.000.91
748.119.64
43.6.8
5/ 61 42- 722.77.5
30.15.0
1 7/ 61 AP-617-153BM 802 0000.-5000.+000.0-310.0+
6941.3000.08
1 12 / 2360.24
584.23.21
1668.000.22
380.219.25
43.6.8
5/ 61 42- 362.86.6
23.16.0
1 1/2 AP-21-153BM 902 0000.-5000.+000.0-310.0+
5643.3000.58
1 94 / 4668.44
235.15.31
1668.000.22
182.249.75
63.1.9
5/ 61 42- 652.05.6
26.17.0
1 11 / 611 3/4
AP-6111-153BMAP-43-153BM 012 0000.-5000.+
000.0-310.0+3345.3000.09
1 31 / 6120.64
235.15.31
1668.000.22
574.268.26
83.7.9
3/8 42- 652.05.6
28.18.0
1 51 / 61 AP-6151-153BM 112 0000.-5000.+000.0-310.0+
0739.3000.001
1 31 / 6120.64
735.46.31
3489.000.52
947.228.96
83.7.9
3/8 42- 892.75.7
63.21.1
2 3/ 61 AP-613-253BM 212 0000.-6000.+000.0-510.0+
7033.4000.011
1 75 / 4630.84
875.86.41
0360.1000.72
210.305.67
83.7.9
3/8 42- 033.83.8
79.23.1
2 7/ 612 1/2
AP-617-253BMAP-21-253BM 412 0000.-0100.+
000.0-520.0+3129.4000.521
2 51 / 4647.65
408.24.02
5451.1423.92
334.385.48
73.4.9
3/8 42- 662.67.6
93.49.1
2 11 / 61 AP-6111-253BM 512 0000.-0100.+000.0-520.0+
1811.5000.031
2 71 / 4630.84
408.24.02
5381.1160.03
236.352.29
73.4.9
3/8 42- 662.67.6
94.40.2
2 51 / 613
AP-6151-253BMAP-353BM 612 0000.-0100.+
000.0-520.0+8115.5000.041
2 32 / 4629.95
368.29.12
5752.1049.13
029.375.99
73.4.9
3/8 42- 282.61.7
35.54.2
3 3/ 613 7/ 613 1/2
AP-613-353BMAP-617-353BM
AP-21-353BM812 0000.-0100.+
000.0-520.0+2992.6000.061
2 33 / 46
19.36269.34.42
5493.1024.53
693.466.111
73.4.9
3/8 42- 313.59.7
32.843.7
3.3dna612;)mm510.0-mm000.0+,"6000.-"0000.+,eziscisab512urht902;)mm310.0-mm000.0+("5000.-"0000.+,eziscisab802urht602;ecnarelot.D.OgniraeB†
.)mm020.0-mm000.0+("8000.-"0000.+,eziscisab812
T
B
Y
S G
N
JD
Selection Guide – pages 4-6 & 37-39Load Ratings – pages 40-41Additional Information – page 42
62
RUBBER MOUNTED CARTRIDGE UNITStfahS
retemaiD rebmuNtinUegdirtraCeziScisaB A B L M U
daoLlaidaRsgnitaR
/sbl( )snotwen.twtinU)gk/sbl(
mm sehcnI koL-K koL-irtneC
02
1/25/83/4
8RER01RER21RER402RER
K8RERK01RERK21RERK402RER
402 2 71 / 23
3.46
1
4.52
1 3/8
9.43
1 1/81 31 / 461 3/8
6.03
31 / 61
6.02
002
098
85.45.05.2.0
52
7/851 / 611
41RER51RER
1RER502RER
K41RERK51RER
K1RERK502RER
502 2 71 / 23
3.46
1
4.52
1 52 / 46
3.53
1 9/ 61
7.93
55 / 46
8.12
052
0111
85.65.45.3.0
03
1 1/81 3/ 611 1/4
81RER91RERS02RER602RER
K81RERK91RER
KS02RERK602RER
602 3 3/ 23
6.87
1 3/ 61
2.03
1 5/8
3.14
1 31 / 61228.05
92 / 23
0.32
003
0331
10.179.29.4.0
AD
U
BL
D
RER-__K
M
U
BL
RER
RUBBER MOUNTED FLANGE UNITSThe rubber mounted bearing insert utilizes an oil resistent, conductive type, rubber adapter which is firmlysupported circumferentially by the stamped steel 2-bolt mounting. The conductive rubber adapter is intended toalleviate electrical static charge build-up often encountered in some air moving equipment applications. Therubber supported bearing insert provides vibration dampening, which aids considerably in reducing noise level.These units are intended primarily for any light duty applications, such as fans, or blowers and are particularlywell suited for heating, air conditioning and ventilating equipment where “quiet” installations are desireable. Thiswould include any applications where any vibration or noise amplified by connecting duct work would beconsidered very objectionable.
The rubber mounted flange units are available in standard shaft sizes with the bolt hole size and spacinginterchangeable with other competitive units. This does not mean the units are interchangeable in all respectswith competition, but can be considered interchangeable in most instances. The units should be thoroughlycompared if complete dimensional interchangeabiilty is essential.
tfahS.aiD rebmuNtinUdegnalF cisaB
eziS B E F H K L M N UdaoLlaidaR
gnitaR/sbl( )snotwen
.twtinU)gk/sbl(
tinUegdirtraCrebmuN
mm sehcnI koL-K koL-irtneC koL-K koL-irtneC
02
1/25/83/4
21-2RSPF85-2RSPF43-2RSPF402-2RSPF
K21-2RSPFK85-2RSPFK43-2RSPF 402 3 5/8
1.29
2 54 / 46
7.86
3/8
01
1/ 61
75.1
1 1/ 61
0.72
1 3/8
9.43
1 1/81 31 / 461 3/8
6.03
4 1/2
3.411
31 / 61
6.02
002
098
37.96.56.3.0
8RER01RER21RER402RER
K8RERK01RERK21RERK402RER
52
7/851 / 611
87-2RSPF6151-2RSPF
12RSPF502-2RSPF
K87-2RSPFK6151-2RSPF
K12RSPFK502-2RSPF
502 3 5/8
1.29
2 54 / 46
7.86
3/8
01
1/ 61
75.1
1 1/ 61
0.72
1 52 / 46
3.53
1 9/ 61
7.93
4 1/2
3.411
55 / 46
8.12
052
0111
87.67.47.3.0
41RER51RER
1RER502RER
K41RERK51RER
K1RERK502RER
03
1 1/81 3/ 611 1/4
81-12RSPF613-12RSPFS41-12RSPF602-12RSPF
K81-12RSPFK613-12RSPFKS41-12RSPF
K602-2RSPF602 4 3/8
1.111
3 1/2
9.88
7/ 61
01
1/ 61
75.1
1 1/4
8.13
1 5/8
3.14
1 31 / 6122
8.05
5 3/8
5.631
92 / 23
0.32
003
0331
74.124.163.1
6.0
81RER91RERS02RER602RER
K81RERK91RER
KS02RERK602RER
N B
E
BOLTS - F
D
L
U
HK K
H
D
U
L
FPSR2 FPSR2-__K
M
Selection Guide – pages 4-6 & 37-39Additional Information – page 42
Selection Guide – pages 4-6 & 37-39Additional Information – page 42
63
PBWO JFFF-K12ERDescriptionSymbol
Dash used as separator-
Bearing with riveted steel retainer and increased radial clearanceBearing with riveted steel retainer and standard radial clearanceSeal options - See page 42
Non-standard grease designation
XXXX
XX
EDCSTL
ER
MSLMSLNRER
Adapter series - cylindrical O.D. with lube groove and O.D. locating ringCylindrical O.D. - wide inner ring - setscrew lockingCylindrical O.D. - narrow inner ring - setscrew lockingRubber cartridge unit (used in FPSR2 units)
12204
Shaft diameter in sixteenths of an inchShaft diameter in one-fifth of a millimeter
NoneK
Setscrew locking - ER series onlyCentrik-Lok locking - ER series only
WO External locating ring omitted - ER series only
PBPD
Bearing with 100% grease fillBearing with preservative only
NOMENCLATUREUnmounted bearings with cylindrical O.D.
64
ER ADAPTER SERIES BEARINGS ONLYwith Concentric Setscrew Locking Device
tfahS.aiD gniraeB
rebmuNcisaB
eziSeroB
ecnareloT B C D G J K L N R S TeziSpaT Y .twtinU
)gk/sbl(mm sehcnI
02
1/25/83/4
8RE01RE21RE 402 0000.-7000.+
000.0-810.0+
4058.1
000.74
3/ 23
4.2
1 7/ 23
69.03
504.
92.01
0426.
058.51
3/ 46
2.1
2 1/ 61
4.25
149.
09.32
040.
0.1
51 / 46
0.2
23-01#23-01#
1/4 82-1X6M
241.
16.3
26.055.045.0
2.0
52
7/851 / 611
41RE51RE61RE502RE
502 0000.-7000.+
000.0-810.0+
2740.2
000.25
3/ 23
4.2
1 3/8
29.43
805.
09.21
0947.
520.91
3/ 46
2.1
2 71 / 46
6.75
313.1
53.33
040.
0.1
51 / 46
0.2
1/4 82-
1X6M
581.
07.4
56.036.016.0
3.0
03
1 1/81 3/ 611 1/4
81RE91RES02RE602RE
602 0000.-7000.+
000.0-810.0+
9044.2
000.26
3/ 23
4.2
1 1/2
01.83
526.
88.51
0478.
002.22
3/ 46
2.1
2 12 / 23
5.76
785.1
13.04
040.
0.1
1/4
4.6
1/4 82-
52.1X8M
422.
96.5
69.049.009.04.0
53
1 1/41 3/81 7/ 61
02RE22RE32RE 702 0000.-8000.+
000.0-020.0+
6438.2
000.27
1/8
2.3
1 11 / 61
88.24
886.
84.71
5639.
787.32
1/ 61
6.1
3 5/ 46
2.87
748.1
19.64
040.
0.1
12 / 46
3.8
5/ 61 42-
52.1X8M
652.
05.6
57.107.126.1
8.0
041 1/2 42RE
802RE 802 0000.-8000.+000.0-020.0+
6941.3000.08
1/82.3
1 51 / 6122.94
057.50.91
7290.1557.72
1/ 616.1
3 52 / 461.68
380.219.25
260.6.1
3/85.9
5/ 61 42-52.1X8M
792.45.7
81.20.1
54
1 5/81 11 / 611 3/4
62RE72RE82RE 902 0000.-8000.+
000.0-020.0+
5643.3
000.58
1/8
2.3
1 51 / 61
22.94
057.
50.91
7290.1
557.72
1/ 61
6.1
3 91 / 23
3.19
182.2
49.75
260.
6.1
3/8
5.9
5/ 61 42-
52.1X8M
792.
45.7
82.222.251.20.1
05
1 7/81 51 / 61
03RE13RE 012 0000.-8000.+
000.0-020.0+3345.3000.09
1/82.3
2 1/ 23
95.15057.50.91
0421.1055.82
3/ 23
4.23 52 / 23
0.69574.268.26
260.6.1
3/85.9
3/8 42-5.1X01M
562.37.6
57.216.2
2.1
55
22 3/ 61
23RE53RE 112 0000.-9000.+
000.0-320.0+0739.3000.001
1/82.3
2 3/ 61
85.55578.22.22
0681.1421.03
3/ 23
4.24 11 / 46
0.601947.228.96
080.0.2
3/85.9
3/8 42-5.1X01M
892.75.7
83.370.34.1
06
2 1/42 3/82 7/ 61
63RE83RE93RE 212 0000.-9000.+
000.0-320.0+
7033.4
000.011
1/8
2.3
2 9/ 61
70.56
000.1
4.52
0942.1
527.13
3/ 23
4.2
4 9/ 61
9.511
210.3
05.67
080.
0.2
3/8
5.9
3/8 42-
5.1X01M
033.
83.8
84.483.491.49.1
07
2 1/22 11 / 61
04RE34RE 412 0000.-9000.+
000.0-320.0+3129.4000.521
5/ 23
0.42 3/4
58.96260.1
0.720473.1009.43
7/ 46
8.25 9/ 23
1.431334.385.48
080.0.2
3/85.9
3/8 42-5.1X01M
473.05.9
29.594.5
5.2
57
2 7/82 51 / 61
64RE74RE 512 0000.-9000.+
000.0-320.0+1811.5000.031
5/ 23
0.43 1/ 61
77.77313.123.33
0994.1570.83
7/ 46
8.25 1/2
7.931236.352.29
080.0.2
3/85.9
3/8 42-5.1X01M
473.05.9
06.673.6
9.2
08
33 3/ 61
84RE15RE 612 0000.-9000.+
000.0-320.0+8115.5000.041
5/ 23
0.43 1/4
55.28313.123.33
5686.1738.24
7/ 46
8.25 7/8
2.941029.375.99
021.0.3
3/85.9
3/8 42-5.1X01M
604.13.01
50.865.7
4.3cisab212urht902;)mm510.0-mm000.0+,"6000.-"0000.+,eziscisab802urht502;)mm310.0-mm000.0+("5000.-"0000.+,eziscisab402;ecnarelot.D.OgniraeB†
)mm520.0-mm000.0+("0100.-"0000.+,eziscisab612urht412;)mm020.0-mm000.0+("8000.-"0000.+,ezis
R
B L
C
T
KY
N
JD
SG
Selection Guide – pages 4-6 & 37-39Load Ratings – pages 40-41Additional Information – page 42
65
ER ADAPTER SERIES BEARINGS ONLYwith CENTRIK-LOK Locking Device
tfahS.aiD gniraeB
rebmuNcisaB
eziSeroB
ecnareloT B C D G J K L N R ST
Y .twtinU)gk/sbl(
mm sehcnI htdiW eziSpaT
02
1/25/83/4
K8REK01REK21RE
K402RE402 0000.-7000.+
000.0-810.0+
4058.1
000.74
3/ 23
4.2
1 7/ 23
69.03
504.
92.01
0426.
058.51
3/ 46
2.1
2 1/ 61
4.25
149.
09.32
1 1/81 31 / 461 3/8
6.03
040.
0.1
9/ 239/ 2311 / 23
7.8
23-01#23-01#82-4/11X6M
241.
16.3
26.055.045.0
2.0
52
7/851 / 611
K41REK51REK61REK502RE
502 0000.-7000.+
000.0-810.0+
2740.2
000.25
3/ 23
4.2
1 3/8
29.43
805.
09.21
0947.
520.91
3/ 46
2.1
2 71 / 46
6.75
313.1
53.33
1 9/ 61
7.93
040.
0.1
11 / 23
7.8
1/4 82-
1X6M
581.
07.4
56.036.016.0
3.0
03
1 1/81 3/ 611 1/4
K81REK91RE
KS02RE 602 0000.-7000.+
000.0-810.0+
9044.2
000.26
3/ 23
4.2
1 1/2
01.83
526.
88.51
0478.
002.22
3/ 46
2.1
2 12 / 23
5.76
785.1
13.04
1 31 / 6122
8.05
040.
0.1
7/ 61
1.11
1/4 82-
52.1X8M
422.
96.5
69.049.009.04.0
53
1 1/41 3/81 7/ 61
K02REK22REK32RE 702 0000.-8000.+
000.0-020.0+
6438.2
000.27
1/8
2.3
1 11 / 61
88.24
886.
84.71
5639.
787.32
1/ 61
6.1
3 5/ 46
2.87
748.1
19.64
22 1/42 1/4
2.75
040.
0.1
7/ 61
1.11
5/ 61 42-
52.1X8M
652.
05.6
57.107.126.1
8.0
041 1/2 K42RE
K802RE 802 0000.-8000.+000.0-020.0+
6941.3000.08
1/82.3
1 51 / 6122.94
057.50.91
7290.1557.72
1/ 616.1
3 52 / 461.68
380.219.25
2 1/25.36
260.6.1
7/ 611.11
5/ 61 42-52.1X8M
792.45.7
81.20.1
54
1 5/81 11 / 611 3/4
K62REK72REK82RE 902 0000.-8000.+
000.0-020.0+
5643.3
000.58
1/8
2.3
1 51 / 61
22.94
057.
50.91
7290.1
557.72
1/ 61
6.1
3 91 / 23
3.19
182.2
49.75
2 1/22 11 / 612 11 / 61
3.86
260.
6.1
7/ 61
1.11
5/ 61 42-
52.1X8M
792.
45.7
82.222.251.20.1
05
1 7/81 51 / 61
K03REK13RE 012 0000.-8000.+
000.0-020.0+3345.3000.09
1/82.3
2 1/ 23
95.15057.50.91
0421.1055.82
3/ 23
4.23 52 / 23
0.69574.268.26
2 7/80.37
260.6.1
9/ 61
3.41
3/8 42-5.1X01M
562.37.6
57.216.2
2.1
55
22 3/ 61
K23REK53RE 112 0000.-9000.+
000.0-320.0+0739.3000.001
1/82.3
2 3/ 61
85.55578.22.22
0681.1421.03
3/ 23
4.24 11 / 46
0.601947.228.96
2 7/83 1/8
4.97080.
0.2
9/ 61
3.41
3/8 42-5.1X01M
892.75.7
83.370.34.1
06
2 1/42 3/82 7/ 61
K63REK83REK93RE 212 0000.-9000.+
000.0-320.0+
7033.4
000.011
1/8
2.3
2 9/ 61
70.56
000.1
4.52
0942.1
527.13
3/ 23
4.2
4 9/ 61
9.511
210.3
05.67
3 1/83 3/83 3/8
7.58
080.
0.2
9/ 61
3.41
3/8 42-
5.1X01M
033.
83.8
84.483.491.49.1
07
2 1/22 11 / 61
K04REK34RE 412 0000.-9000.+
000.0-320.0+3129.4000.521
5/ 23
0.42 3/4
58.96260.1
0.720473.1009.43
7/ 46
8.25 9/ 23
1.431334.385.48
3 3/43 51 / 61
2.59080.
0.2
9/ 61
3.41
3/8 42-5.1X01M
473.05.9
29.594.5
5.2
57
2 7/82 51 / 61
K64REK74RE 512 0000.-9000.+
000.0-320.0+1811.5000.031
5/ 23
0.43 1/ 61
77.77313.123.33
0994.1570.83
7/ 46
8.25 1/2
7.931236.352.29
4 3/ 61
4.601080.
0.2
9/ 61
3.41
3/8 42-5.1X01M
473.05.9
06.673.6
9.2
08
33 3/ 61
K84REK15RE 612 0000.-9000.+
000.0-320.0+8115.5000.041
5/ 23
0.43 1/4
55.28313.123.33
5686.1738.24
7/ 46
8.25 7/8
2.941029.375.99
4 3/ 61
4.601021.
0.3
9/ 61
3.41
3/8 42-5.1X01M
604.13.01
50.865.7
4.3cisab212urht902;)mm510.0-mm000.0+,"6000.-"0000.+,eziscisab802urht502;)mm310.0-mm000.0+("5000.-"0000.+,eziscisab402;ecnarelot.D.OgniraeB
)mm520.0-mm000.0+("0100.-"0000.+,eziscisab612urht412;)mm020.0-mm000.0+("8000.-"0000.+,ezis
R
B L M
C
T
KY
N
JD
G
Selection Guide – pages 4-9Load Ratings – pages 40-41Additional Information – page 42
66
ER TYPE BALL BEARING INSERTS
ER SERIES HOUSING FITSfor bearings with Concentric Setscrew or CENTRIK-LOK Locking Devices
ER type bearing inserts are commonly used in mounted bearing assemblies. The bearings have basicstandard metric ball bearing dimensions with the exception of widths and the inch size bore of the inner ring.Because of the metric ball bearing basis of design and sizing, the ball complement (the number and size) for agiven size bearing is comparable with other manufacturers.
The ER type insert is designed for set screw locking to the shaft, with the bearing mounted in the customershousing. It incorporates standard seals and comes with a O.D. mounted snap ring for axial location, eliminatinghousing counterboring. ER series bearings are intended for rigid mounting, as the bearings have a cylindricalO.D. and not the spherical O.D. of standard insert bearings.
The fit selections given will serve as a guide for the majority of applications where the bearings are subjectedto normal loads and other normal operating conditions. When bearings are subjected to very heavy or vibratoryloads, it may be necessary to employ shaft and housing fits tighter than standard. The same applies if shafts orhousings of soft metal or those not having smoothly ground bearing seats (i.e., the smoothness ordinarilyassociated with ground or reamed bores) are used.
The bearing bore is made so that a sliding fit is produced on the shaft. For best results, a ground shaft shouldbe used to obtain a snug fit. A light press fit is advisable for heavy loads or where dynamic balance isimportant. The following tolerances are recommended for nominal shaft diamters:
These recommended shaft tolerances are for bearings applied under the load and speed conditions listed inthe load rating tables. Consult Rexnord Bearing Products for extreme or special operating conditions.
Furthermore, if speeds are abnormally high, it may be necessary to maintain shaft and housing fits other thanthose shown in tables. Consult Rexnord Bearing Products engineering department for recommendation on anyabnormal conditions.
Shaft 1/2"-115/16" plus .0000 to minus .0005Diameter 2"-31/2" plus .0000 to minus .0010{
REBMUNGNIRAEBRETEMAIDEDISTUO
GNIRAEBFOESUOHGNITATOR GNISUOHYRANOITATS
retemaiD tiFtnatluseR retemaiD tiFtnatluseR
.niM .xaM .niM .xaM esooL thgiT .niM .xaM esooL thgiT
21,11,01,9,8-RE 9948.1 0458.1 8948.1 4058.1 5000. 6000. 3058.1 9058.1 0100. 1000.
61,51,41-RE 6640.2 2740.2 6640.2 1740.2 5000. 6000. 1740.2 6740.2 0100. 1000.
S02,91,81,71-RE 3044.2 9044.2 3044.2 8044.2 5000. 6000. 8044.2 3144.2 0100. 1000.
32,22,12,02-RE 0438.2 6438.2 0438.2 5438.2 5000. 6000. 5438.2 0538.2 0100. 1000.
52,42-RE 0941.3 6941.3 0941.3 5941.3 5000. 6000. 5941.3 0051.3 0100. 1000.
82,72,62-RE 7543.3 5643.3 8543.3 4643.3 7000. 7000. 4643.3 0743.3 3100. 1000.
13,03-RE 5245.3 3345.3 6245.3 2345.3 7000. 7000. 2345.3 8345.3 3100. 1000.
53,43,23-RE 2639.3 0739.3 3639.3 9639.3 7000. 7000. 9639.3 5739.3 3100. 1000.
93,83,63-RE 9923.4 7033.4 0033.4 6033.4 7000. 7000. 6033.4 2133.4 3100. 1000.
34,04-RE 3029.4 3129.4 4029.4 2129.4 9000. 9000. 1129.4 9129.4 6100. 2000.
74,64-RE 1711.5 1811.5 2711.5 0811.5 9000. 9000. 9711.5 7811.5 6100. 2000.
15,84-RE 8015.5 8115.5 9015.5 7115.5 9000. 9000. 6115.5 4215.5 6100. 2000.
67
MSL & MSLN SERIES BEARINGSwith Cylindrical O.D.’s and Concentric Setscrew Locking Devices
These insert bearings have cylindrical O.D.’s.
They feature MB’s traditional quality and precision and are recommended for general machinery applications.
The MSLN series has a narrow inner race which is flush with the outer race. The MSL series has an extendedinner race on the non-locking side.
tfahS.aiDsehcnI
rebmuNgniraeBcisaB
eziSB†
D GJ
KN r R S
T .twtinU)gk/sbl(
ediWseireS
worraNseireS LSM NLSM LSM NLSM LSM NLSM eziSpaT LSM NLSM
1/25/8
8LSM01LSM
8NLSM01NLSM 302 8475.1
000.0413 / 23
16.4215 / 46
42.02193.39.9
772.40.7
8115.000.31
7/ 469.2
0.00.0
149.09.32
420.16.0
420.160.
3/ 618.4 23-01# 42.
1.022.01.0
3/4 21LSM 21NLSM 402 4058.1000.74
1 5/ 2363.92
51 / 6128.32
834.21.11
492.74.7
6095.000.51
9/ 466.3
0.00.0
121.174.82
930.00.1
930.00.1
3/ 618.4 23-01# 53.0
2.023.01.0
1 61LSM 61NLSM 502 2740.2000.25
1 7/ 2349.03
51 / 6128.32
254.84.11
903.58.7
6095.000.51
9/ 466.3
0.00.0
313.153.33
930.00.1
930.00.1
7/ 236.5
1/4 82- 93.2.0
43.02.0
1 1/41 3/81 7/ 61
02LSM22LSM32LSM
………
702 6438.2000.27
1 71 / 23
98.83……
395.60.51
……
0847.000.91
7/ 23
6.5……
748.119.64
930.00.1
930.00.1
1/46.5
1/4 82-50.100.1
5.0
………
)mm000.0-mm310.0+("0000.-"5000.+.eziscisab702urht302;ecnareloterobgniraeB)mm510.0-mm000.0+,"6000.-"0000.+,eziscisab702urht502;)mm310.0-mm000.0+("5000.-"0000.+,eziscisab402dna302;ecnarelot.D.OgniraeB†
RT
r K
B N
SG
JD
Selection Guide – pages 4-6 & 37-39Load Ratings – pages 40-41Additional Information – page 42
68
PS25 SERIES STAMPED STEEL PILLOW BLOCKStfahS.aiD wolliP
kcolBrebmuN
cisaBeziS A
BC D E F K H L U
daollaidaRfognitar
gnisuohylbmessa
/sbl snotwen
.twtinU)gk/sbl( rebmuNgniraeB
mm sehcnI .niM .xaM
71
1/25/811 / 61
21-52SP85-52SP
6111-52SP 3027/8
22.22
2 1/2
05.36
2 7/8
0.37
3 5/8
1.29
36 / 46
99.42
1
4.52
5/ 61
8
841.
67.3
3/4
0.91
1 3/4
4.44
14 / 46
3.61
003
0431
05.64.44.2.0
APPOW-21-52BMAPPOW-85-52BM
APPOW-6111-52BM
023/4 43-52SP
02-52SP 402 104.52
2 7/80.37
3 1/84.97
4 1/88.401
1 1/885.82
14.52
3/801
841.67.3
7/82.22
2 1/ 614.25
32 / 233.81
0530651
36.3.0
APPOW-43-52BMAPPOW-02-52BM
52
7/851 / 611
87-52SP6151-52SP
152SP52-52SP
502 1 1/8
85.82
3 3/ 61
0.18
3 9/ 61
5.09
4 1/2
3.411
1 11 / 46
77.92
1 1/8
6.82
3/8
01
802.
82.5
3/4
0.91
2 7/ 23
4.65
3/4
0.91
004
0871
18.87.57.3.0
APPOW-87-52BMAPPOW-6151-52BM
APPOW-152BMAPPOW-52-52BM
03
1 1/81 3/ 611 1/4
81-152SP613-152SPS41-152SP
03-52SP602 1 5/ 61
23.33
3 9/ 61
5.09
3 51 / 61
0.001
4 7/8
8.321
1 11 / 23
41.43
1 1/8
6.82
3/8
01
832.
82.5
7/8
2.22
2 5/8
7.66
7/8
2.22
006
0762
91.141.111.1
5.0
APPOW-81-152BMAPPOW-613-152BMAPPOW-S41-152BM
APPOW-03-52BM
53
1 1/41 3/81 7/ 61
41-152SP83-152SP617-152SP 702 1 9/ 61
76.93
3 51 / 61
0.001
4 7/ 61
7.211
5 3/4
0.641
1 9/ 61
76.93
1 1/4
8.13
1/2
21
832.
82.5
1
4.52
3 1/8
4.97
1
4.52
008
0653
56.155.105.1
7.0
APPOW-41-152BMAPPOW-83-152BMAPPOW-617-152BM
BOLTS-F
KU
E
A
L
H
D
B MinB Max
C
STAMPED STEEL PILLOW BLOCKS AND FLANGETTESStamped steel pillow blocks, consisting of a two piece stamped steel housing with a spherical bearing seat tomatch the spherical radius ground on the bearing O.D. for light duty applications, provide the advantages of aball bearing construction in an economical low cost unit. The base-to-shaft centerline height and bolt holespace of these units make them readily interchangeable with many standard mounting on the market.
All the stamped steel mounted units are easily adaptable to a variety of applications. The units are often usedvery successfully in application where the unit is selected for a given shaft size, for economic reasons, ratherthan for load rating. However, it should also be stressed that consideration should be given to the load ratingand the unit should not be selected merely for the shaft size. The load rating is based on the strength of thespecific stamped steel mounting rather than the bearing insert.
It is important that the inner ring set screws be tightened securely against the shaft before the stampedhousing is attached (fastened) to the mounting surface. The self aligning feature of the stamping clamps thebearing O.D. when the mounting bolts are tightened and makes any additional alignment of the bearing insertwithin the mounting impractical.
Stamped steel flanges or flangettes consist of two interchangeable pressed steel flanges with spherical insidesurfaces to form a mating contour to accomodate the spherical O.D. of the bearing insert. These are usuallymade in two, three and four bolt designs with standard mounting dimensions, or on a special basis to fitspecific applications. They are low cost units for light duty and moderate speed applications.
Selection Guide – pages 4-6 & 37-39Additional Information – page 42
69
FPS225 SERIES (2-BOLT) STAMPED STEEL FLANGE UNITStfahS.aiD degnalF
rebmuNtinUcisaBeziS B D E
F
G
H
K L N
SegairraC
tloB V
daollaidaRfognitar
gnisuohylbmessa
/sbl snotwen
tinU.tw
)gk/sbl(rebmuNgniraeBegairraC
tloBeziS
eloHlanimon
"500.±31.0±
mmmm sehcnI kcotS
ssenkcihTtrohSknahS
gnoLknahS
71
1/25/811 / 61
21-522SPF85-522SPF
6111-522SPF 302 21/2
5.36
36 / 46
99.42
25/ 61
7.85
1/4
…
9/ 23
41.7
31 / 23
3.01
570.
09.1
9/ 23
1.7
32 / 23
3.81
33/ 61
0.18
600.
…
001.
…
1 51 / 61
2.94
006
0762
44.04.83.2.0
APPOW-21-52BMAPPOW-85-52BM
APPOW-6111-52BM
023/4 43-522SPF
02-522SPF 402 2 31 / 614.17
11/885.82
25/87.66
5/ 61…
11 / 2337.8
1/27.21
380.11.2
5/ 619.7
35 / 460.12
39/ 615.09
120.…
511.…
2 3/ 616.55
0070113
75.3.0
APPOW-43-52BMAPPOW-02-52BM
52
7/851 / 611
87-522SPF6151-522SPF
1522SPF52-522SPF
502 3
2.67
1 11 / 46
77.92
2 16 / 46
0.17
5/ 61
…
11 / 23
37.8
1/2
7.21
380.
11.2
11 / 23
7.8
7/8
2.22
33/4
2.59
120.…
511.…
23/83.06
0080653
37.07.76.3.0
APPOW-87-52BMAPPOW-6151-52BM
APPOW-152BMAPPOW-52-52BM
03
1 1/81 3/ 611 1/4
81-1522SPF613-1522SPFS41-1522SPF
03-522SPF602 39/ 61
5.09
1 11 / 23
41.43
35/ 61
1.48
3/8
…
31 / 23
23.01
91 / 23
1.51
401.
46.2
11 / 23
7.8
1 1/ 61
0.72
47/ 61
7.211
110.
…
401.
…
2 31 / 61
4.17
0011
0984
70.140.110.1
5.0
APPOW-81-152BMAPPOW-613-152BMAPPOW-S41-152BM
APPOW-03-52BM
BOLTS-F
G HOLEDIA. TO
BOLT SHANK
VMIN.
FRAMEOPENING
KHS
D
L
E
B N
Selection Guide – pages 4-6 & 37-39Additional Information – page 42
70
tfahS.aiD
tinUdegnalFrebmuN
cisaBeziS B C D
F
G
H
K L
StloBegairraC
V
daollaidaRfognitar
gnisuohylbmessa
/sbl snotwen
.twtinU)gk/sbl( rebmuNgniraeBegairraC
tloBeziS
eloHlanimon
"500.±31.0±
mm
kcotSssenkcihTmm sehcnI trohS
knahSgnoLknahS
71
1/25/811 / 61
21-523SPF85-523SPF
6111-523SPF 302 2 1/2
5.36
3 3/ 61
00.18
36 / 46
99.42
1/4
…
9/ 23
41.7
31 / 23
3.01
570.
09.1
9/ 23
1.7
32 / 23
3.81
600.
…
001.
…
1 51 / 61
2.94
006
0762
05.64.44.2.0
APPOW-21-52BMAPPOW-85-52BM
APPOW-6111-52BM
023/4 43-523SPF
02-523SPF 402 2 31 / 614.17
3 9/ 615.09
1 1/885.82
5/ 61…
11 / 2337.8
1/27.21
380.11.2
5/ 619.7
35 / 460.12
120.…
511.…
23/ 616.55
0070113
67.3.0
APPOW-43-52BMAPPOW-02-52BM
52
7/851 / 611
87-523SPF6151-523SPF
1523SPF52-523SPF
502 3
2.67
3 3/4
2.59
1 11 / 46
77.92
5/ 61
…
11 / 23
37.8
1/2
7.21
380.
11.2
11 / 23
7.8
7/8
2.22
120.
…
511.
…
23/8
3.06
008
0653
39.09.78.4.0
APPOW-87-52BMAPPOW-6151-52BM
APPOW-152BMAPPOW-52-52BM
03
1 1/81 3/ 611 1/4
81-1523SPF613-1523SPFS41-1523SPF
03-523SPF602 3 9/ 61
5.09
4 7/ 61
7.211
1 11 / 23
41.43
3/8
…
31 / 23
23.01
91 / 23
1.51
401.
46.2
11 / 23
7.8
11/ 61
0.72
110.
…
401.
…
2 31 / 61
4.17
0011
0984
93.163.133.1
6.0
APPOW-81-152BMAPPOW-613-152BMAPPOW-S41-152BM
APPOW-03-52BM
53
1 1/41 3/81 7/ 61
S41-1523SPF83-1523SPF
617-1523SPF 702 3 51 / 61
0.001
4 31 / 61
2.221
1 9/ 61
76.93
3/8
…
31 / 23
23.01
91 / 23
1.51
401.
46.2
3/8
5.9
17/ 23
0.13
110.
…
401.
…
33/ 61
0.18
0041
0326
09.108.157.1
8.0
APPOW-41-152BMAPPOW-83-152BM
APPOW-617-152BM
FPS325 SERIES (3-BOLT) STAMPED STEEL FLANGE UNITS
B
D
BOLTS-F
G HOLE DIA.TO BOLTSHANK
VMIN.
FRAMEOPENING
KHS
L
30˚ 30˚
C
Selection Guide – pages 4-6 & 37-39Additional Information – page 42
71
TFPS325 SERIES (3-BOLT) STAMPED STEEL FLANGE UNITStfahS.aiD tinUdegnalF
rebmuNcisaBeziS B C D
F
G
H
J K L
SegairraC
tloB T V Y
daollaidaRfognitar
gnisuohylbmessa
/sbl snotwen
tinU.tw
)gk/sbl(rebmuNgniraeBegairraC
tloBeziS
eloHlanimon
"500.±31.0±
mm
kcotSssenkcihT
mm sehcnI trohSknahS
gnoLknahS
023/4 43-523SPFT
02-523SPFT 402 2 31 / 614.17
39/ 615.09
11/885.82
5/ 61…
11 / 2337.8
1/27.21
380.11.2
32.67
5/ 619.7
35 / 460.12
120.…
511.…
11/ 610.72
23/ 616.55
15/ 613.33
0070113
36.3.0
APPOW-43-52BMAPPOW-02-52BM
52
7/851 / 611
87-523SPFT6151-523SPFT
1523SPFT52-523SPFT
502 3
2.67
33/4
2.59
1 11 / 46
77.92
5/ 61
…
11 / 23
37.8
1/2
7.21
380.
11.2
35/ 23
2.08
11 / 23
7.8
7/8
2.22
120.
…
511.
…
17/ 46
2.82
23/8
3.06
13/8
9.43
008
0653
97.67.37.3.0
APPOW-87-52BMAPPOW-6151-52BM
APPOW-152BMAPPOW-52-52BM
03
1 1/81 3/ 6111/4
81-1523SPFT613-1523SPFTS41-1523SPFT
03-523SPFT602 39/ 61
5.09
47/ 61
7.211
1 11 / 23
41.43
3/8
…
31 / 23
23.01
91 / 23
1.51
401.
46.2
3 11 / 61
7.39
11 / 23
7.8
11/ 61
0.72
110.
…
401.
…
13 / 23
6.42
2 31 / 61
4.17
11/2
1.83
0011
0984
80.150.120.1
5.0
APPOW-81-152BMAPPOW-613-152BMAPPOW-S41-152BM
APPOW-03-52BM
BT
D
BOLTS-F
C
30˚ 30˚ Y
J
L
VMIN.
FRAMEOPENING
G HOLE DIA.TO BOLTSHANK
KHS
Selection Guide – pages 4-6 & 37-39Additional Information – page 42
72
KFC2 ZJFFF716- -145Symbol DescriptionKCKCLKFC2KFC4FC2FC4PFC4
Pillow block - standard backing - series 45/55Pillow block - low backing - series 45/55Flange unit - wide 2 bolt - series 45/55Flange unit - wide 4 bolt square - series 45/55Flange unit - narrow 2 bolt - series 25/35Flange unit - narrow 4 bolt square - series 25/35Piloted flange unit - 4 bolt - series 45/55
455525K35K
Wide standard duty Krown Regal bearingWide medium duty Krown Regal bearingNarrow standard duty bearing with Centrik-LokNarrow medium duty bearing with Centrik-Lok
None1
Shaft diameter less than1 inch or a metric boreShaft diameter equal to or greater than 1 inch
- Dash used as separator
71635
Inch shaft fraction without the slashMetric shaft size in millimeters
Dash used to separate suffix from bore designation-
EDCSTLXXXX
Bearing with riveted steel retainer and increased radial clearanceBearing with riveted steel retainer and standard radial clearanceSeal options - See page 12
XX
PBPDZ
Non-standard grease designation
Bearing with 100% grease fillBearing with preservative onlyPipe plug in place of lube fitting
JFFF PA716- -145KMB
Ball bearing,spherical O.D. with lube groove and anti-rotation pin
DescriptionSymbol
KMB
Narrow medium duty bearing with Centrik-LokNarrow standard duty bearing with Centrik-LokWide medium duty Krown Regal bearingWide standard duty Krown Regal bearing
Shaft diameter less than 1 inch or a metric boreShaft diameter equal to or greater than 1 inch
Dash used to separate suffix from bore designation
Dash used as separator
Inch shaft fraction without the slashMetric shaft size in millimeters
71635
-
None
-
1
55
35K25K
45
Bearing with riveted steel retainer and increased radial clearanceBearing with riveted steel retainer and standard radial clearanceSeal options - See page 12
Non-standard grease designation
XXXX
XX
EDCSTL
PA Suffix designation for unmounted replacement bearing insert
NOMENCLATUREMounted units with Centrik-Lok locking feature
NOMENCLATUREUnmounted bearings with Centrik-Lok locking feature
73
JF ZFF716- -125FC2Symbol Description
CCLFC2FC4FPS2FPS3
Pillow block - standard backingPillow block - low backingFlange unit - 2 bolt mountingFlange unit - 4 bolt square mountingFlange unit - formed steel housing - 2 bolt mounting
2535
Narrow standard duty bearing with Setscrew lockingNarrow medium duty bearing with Setscrew locking
None1
Shaft diameter less than 1 inch or a metric boreShaft diameter equal to or greater than 1 inch
- Dash used as separator
71635
Inch shaft fraction without the slashMetric shaft size in millimetersDash used to separate suffix from bore designation-
EDCSTLXXXX
Bearing with riveted steel retainer and increased radial clearanceBearing with riveted steel retainer and standard radial clearanceSeal options - See page 42
XXPBPDZ
Non-standard grease designationBearing with 100% grease fillBearing with preservative onlyPipe plug in place of lube fitting
N Nickel plated housing,pentrated rings,food grade greaseN
Flange unit - formed steel housing - 3 bolt round mountingFPSR2 Flange unit - formed steel housing - 2 bolt mounting with
rubber mounted bearing insertMCHBMEHBMFBPFC4PSTBCTCTCNTPS3
Screw convetor hanger unitHanger unitFlange Bracket unit - 3 bolt mountingPiloted flange unit - 4 bolt mountingPillow block - formed steel housingPillow block - tapped base - 2 bolt mountingTakeup unit - wide slotTakeup unit - narrow slotFlange unit - formed steel hsg - 3 bolt triangular mounting
MB JF PAFF716- -125
Ball bearing,spherical O.D. with lube groove and anti-rotation pin
DescriptionSymbol
MB
Narrow medium duty bearing with Setscrew lockingNarrow standard duty bearing with Setscrew locking
Bore diameter less than 1 inch or a metric boreBore diameter equal to or greater than 1 inch
Dash used to separate suffix from bore designation
Dash used as separator
Inch bore fraction without the slashMetric bore size in millimeters
71635
-
None
-
1
3525
Bearing with riveted steel retainer and increased radial clearanceBearing with riveted steel retainer and standard radial clearanceSeal options - See page 42
Non-standard grease designation
XXXX
XX
EDCSTL
PA Suffix designation for unmounted replacement bearing insert
NOMENCLATUREMounted units with Setscrew locking feature
NOMENCLATUREUnmounted bearings with Setscrew locking feature
74
BM52LCtfahS.aiD
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SLPV BCSBXS BCSV
XARXATKAV
PHYSX-HYS MF-HYS LPN LPR LPV
1/2‡9/ 61
5/811 / 61
80B2
012112
1/2
5/8
-L3 1/2
-L3 5/8
1/29/ 615/811 / 61
802
012
1/2
5/8
1/29/ 615/811 / 61
8
01
1/2
5/8
890111
8
01
8
01
3/4‡ 31 / 61
212 3/4 -L4 3/4 3/4 212 3/4 3/4 3/4 21 3/4 21 21 21
‡ 31 / 61 L7/851 / 611
412512612
7/851 / 611
-L5 7/8-L5 51 / 61
1-L5
31 / 617/851 / 611
412512612
7/851 / 611 1
31 / 617/851 / 611
314151001
31 / 617/851 / 611
31415161
415161
415161
1‡ 1/ 6111/813/ 61
11/4 S
81291202E2
11/813/ 6111/4
1-L6 1/81-L6 3/ 611-L6 1/4
11/ 6111/813/ 6111/4
812912S022
11/ 6111/813/ 61
11/4 )602(13/ 61
11/4 )602(
11/ 6111/813/ 61
11/4 S
101201301A401
11/ 6111/813/ 61
11/4 A
718191R02
8191R02
8191R02
11/415/ 6113/817/ 61
022122222322
11/415/ 6113/817/ 61
-L7 1/4-L7 5/ 61-L7 3/8-L7 7/ 61
11/415/ 6113/817/ 61
022
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11/4 )702(15/ 6113/817/ 61
11/4 )702(
17/ 61
11/415/ 6113/817/ 61
401501601701
11/415/ 6113/817/ 61
02122232
02
2232
02
2232
11/21‡ 9/ 6115/8
422 11/2 1-L8 1/2 11/219/ 61
422 11/2
1BCS 5/8
11/2 11/219/ 61
801 4252
42 42
1‡ 5/8 L1 11 / 6113/41‡ 31 / 61
622722822
15/81 11 / 6113/4
-L9 5/8-L9 11 / 61-L9 3/4
15/81 11 / 6113/4
622722822
1BXS 5/81 11 / 6113/4
15/81 11 / 6113/4
011111211
15/81 11 / 6113/4
627282
627282
6272
1‡ 31 / 61 L17/8
1 51 / 612
13223E2
1 51 / 61 1-L01 51 / 6117/8
1 51 / 61 132 1 51 / 612
1 51 / 612
31 / 6117/8
1 51 / 61S2
511 1 51 / 61
920313R23
0313R23
13R23
L22‡ 1/ 6121/823/ 6121/4
232
532
2
23/ 61
2-L11
2-L11 3/ 61
2
21/823/ 61
232
532 23/ 612BCS 1/4
23/ 61
221/ 6121/823/ 61
002
302
2
23/ 61
23
4353
23
4353
23
53
2‡ 1/4 L25/ 6123/827/ 61
632
932
21/4
27/ 61
-L21 1/4
-L21 7/ 61
21/4
23/827/ 61
632
932
2BXS 1/4
27/ 61
21/425/ 6123/827/ 61
402
702
63
8393
63
8393
2‡ 5/82‡ 11 / 61 342 2 11 / 61
2‡ 3/42‡ 31 / 612‡ 7/8
2 51 / 61 2 51 / 61 * †*742 2 51 / 61
.ytilibaliavarofstcudorPgniraeBdronxeRtlusnoC.kcotsmorfelbaliavasyawlatoN‡.ecnatsidthgiehretnectfahssinoitairavsetoneD*
PILLOW BLOCK COMPARISON CHARTSThe competitive manufacturers are listed in alphabetical order to provide a convenient source of unitsubstitution. This data is based on the shaft center height distances. This does not mean these competitiveunits are interchangeable in all respects. The bearings can be considered interchangeables in most instances,but should be checked if complete dimensional interchangeability is essential.
MB Standard Duty Pillow Blocks with low shaft height
75
PILLOW BLOCK COMPARISON CHARTS (cont.)The competitive manufacturers are listed in alphabetical order to provide a convenient source of unitsubstitution. This data is based on the shaft center height distances. This does not mean these competitiveunits are interchangeable in all respects. The bearings can be considered interchangeables in most instances,but should be checked if complete dimensional interchangeability is essential.
BM52CtfahS.aiD
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SAS PYSYS MF-YS PN PR PV
1/2‡9/ 61
5/811 / 61
80B2
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-H3 5/8
1/29/ 615/811 / 61
802
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5/8 *†
1/29/ 615/811 / 61
1/2
5/8
*†8
*†01
890111
8
01
8
01
3/4‡ 31 / 61
212 3/4 -H4 3/4 3/4 212 3/4 3/4 3/4 3/4 21 3/4 21 21 21
‡ 31 / 61 L7/851 / 611
412512612
7/851 / 611
-H5 7/8-H5 51 / 61
1-H5
31 / 617/851 / 611
412512612
7/851 / 611 1
31 / 617/851 / 611
7/851 / 611
314151001
31 / 617/851 / 611
31415161
415161
415161
1‡ 1/ 6111/813/ 61
11/4 S
81291202E2
11/813/ 6111/4
-H6 1/8-H6 3/ 61-H6 1/4
11/ 6111/813/ 6111/4
812912S022
11/ 61 *11/8*13/ 61 *
11/4 )602(13/ 61
11/4 )602(
11/ 6111/813/ 6111/4 S
11/813/ 6111/4 S
101201301A401
11/ 6111/813/ 61
11/4 A
718191R02
8191R02
8191R02
11/415/ 6113/817/ 61
022122222322
11/415/ 6113/817/ 61
1-H7 1/41-H7 5/ 611-H7 3/81-H7 7/ 61
11/415/ 6113/817/ 61
022
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11/4 )702(15/ 6113/817/ 61
11/4 )702(
17/ 61
11/415/ 6113/817/ 61
11/4
13/817/ 61
401501601701
11/415/ 6113/817/ 61
02122232
02
2232
02
2232
11/21‡ 9/ 6115/8
422 * 11/2* 1-H8 1/2* 11/2*19/ 61 *
22 *4 11/2
1CS 9/ 61
11/2 11/2 *†19/1 *†6
11/2 *† 801 *† 11/2 *† 42 *†52 *†
42 *† 42 *†
1‡ 5/8 L1 11 / 6113/41‡ 31 / 61
622722822
15/81 11 / 6113/4
1-H9 5/81-H9 11 / 611-H9 3/4
15/81 11 / 6113/4
622722822
1XS 5/81 11 / 6113/4
15/81 11 / 6113/4
15/81 11 / 6113/4
011111211
15/81 11 / 6113/4
627282
627282
7282
1‡ 31 / 61 L17/8
1 51 / 612
13223E2
1 51 / 61 1-H01 51 / 6117/8
1 51 / 61 132 1 51 / 612
1 51 / 612
1 31 / 6117/8
1 51 / 61S2
1 51 / 61S2
511 1 51 / 61
920313R23
0313R23
13R23
L22‡ 1/ 6121/823/ 6121/4
232
532
2
23/ 61
2-H11
2-H11 3/ 61
2
21/823/ 61
232
532 23/ 612CS 1/4
23/ 61
221/ 6121/823/ 61
2
23/ 61
002
302
2
23/ 61
23
4353
23
4353
23
53
2‡ 1/4 L25/ 6123/827/ 61
632 *†
932 *†
21/4
27/ 61
2-H21 1/4
2-H21 7/ 61
21/4
23/827/ 61
632
932
2XS 1/4
27/ 61
21/425/ 6123/827/ 61
402 *†
702 *†
63
8393
63
8393
2‡ 5/82‡ 11 / 61 1122‡ 3/4
2‡ 31 / 612‡ 7/8
2 51 / 61 2 51 / 61 *† 742 *† 2 51 / 61 2 51 / 61
*212
*512.ytilibaliavarofstcudorPgniraeBdronxeRtlusnoC.kcotsmorfelbaliavasyawlatoN‡
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MB Standard Duty Pillow Blocks
53CBM.aiDtfahS
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51 / 611
51 / 611 *613
*51*61 61
13/ 611‡ 1/4 S
913 9102
9102
17/ 61 17/ 61 17/ 61 323 17/ 61 32 3211/2 11/2 11/2* *423 11/2* *42 42
1 11 / 6113/4
1 11 / 6113/4
1 11 / 61 *13/4*
*723*823
1 11 / 61 *13/4*
*72*82
7282
1 51 / 612
1 51 / 612
1 51 / 612
133233
1 51 / 612
1323
1323
23/ 6121/4
23/ 6121/4
23/ 6121/4
533633
23/ 6121/4
5363
5363
27/ 6121/2
27/ 6121/2
27/ 6121/2
933043
27/ 6121/2
9304
9304
2 11 / 61 2 11 / 61 2 11 / 61 343 2 11 / 61 34 342 51 / 61
32 51 / 61
32 51 / 61
3743843
2 51 / 613
7484
7484
33/ 6137/ 6131/2
33/ 6137/ 6131/2
37/ 6131/2
553653
37/ 6131/2
155565
5565
.ytilibaliavarofstcudorPgniraeBdronxeRtlusnoC.kcotsmorfelbaliavasyawlatoN‡.ecnatsidthgiehretnectfahssinoitairavsetoneD*
MB Medium Duty Pillow Blocks
76
2-BOLT FLANGE UNIT COMPARISON CHARTSThe competitive manufacturers are listed in alphabetical order to provide a convenient source of unitsubstitution. This data is based on the two most important dimensions – bolt hole size and bolt hole spacing.This does not mean these competitive units are interchangeable in all respects. The bearings can beconsidered interchangeable in most instances, but should be checked if complete dimensionalinterchangeability is essential.
BM522CFtfahS.aiD
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1/2‡9/ 61
5/811 / 61
80B2
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5/8
-T3 1/2
-T3 5/8
1/29/ 615/811 / 61
802
012
1/2
5/8
1/29/ 615/811 / 61
1/2
5/8
8
01
890111
8
01
8
01
3/4‡ 31 / 61
212 3/4 -T4 3/4 212 3/4 3/4 3/4 3/4 21 3/4 21 21 21
‡ 31 / 61 L7/851 / 611
412512612
7/851 / 611
-T5 7/8-T5 51 / 61
1-T5
31 / 617/851 / 611
412512612
7/851 / 611 1
31 / 617/851 / 611
7/851 / 611
4151001
31 / 617/851 / 611
31415161
415161
415161
1‡ 1/ 6111/813/ 61
11/4 S
81291202E2
11/813/ 6111/4
1-T6 1/81-T6 3/ 611-T6 1/4
11/ 6111/813/ 6111/4
812912S022
11/ 6111/813/ 6111/4
13/ 6111/4 )602(
11/ 6111/813/ 6111/4
11/813/ 61
11/4 S
101201301A401
11/ 6111/813/ 61
11/4 A
718191R02
8191R02
8191R02
11/415/ 6113/817/ 61
022122222322
11/415/ 6113/817/ 61
1-T7 1/41-T7 5/ 611-T7 3/81-T7 7/ 61
11/415/ 6113/817/ 61
022
222322
11/4 )702(15/ 6113/817/ 61
11/4 )702(
17/ 61
11/415/ 6113/817/ 61
11/4
13/817/ 61
401501601701
11/415/ 6113/817/ 61
02122232
02
2232
02
2232
11/21‡ 9/ 6115/8
422 11/219/ 61
422 11/2
1CS 5/8
11/2 11/219/ 61
11/2 11/2 4252
42 42
1‡ 5/8 L1 11 / 6113/41‡ 31 / 61
622722822
15/81 11 / 6113/4
622722822
1XS 5/81 11 / 6113/4
15/81 11 / 6113/4
15/81 11 / 6113/4
15/81 11 / 6113/4
627282
627282
6272
1‡ 31 / 61 L17/8
1 51 / 612
13223E2
17/81 51 / 61 132 1 51 / 61
21 51 / 61
2
1 31 / 61 L17/8
1 51 / 61S2
1 51 / 61S2
1 51 / 61
920313R23
0313R23
13R23
L22‡ 1/ 6121/823/ 6121/4
232
532
2
21/823/ 61
232
532
221/ 6121/823/ 61
2
23/ 61
2
23/ 61
23
8393
23
8393
23
93
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5161
13/ 611‡ 1/4 S
9102
17/ 61 17/ 61 3211/2 11/2 42
1 11 / 6113/4
1 11 / 6113/4
7282
1 51 / 612
1323
‡ .ytilibaliavarofstcudorPgniraeBdronxeRtlusnoC.kcotsmorfelbaliavasyawlatoN
MB Medium Duty 2-Bolt Flange Units
MB Standard Duty 2-Bolt Flange Units
77
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1/2‡9/ 61
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80B2
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1/2
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1/29/ 615/811 / 61
802
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1/2
5/8
1/29/ 615/811 / 61
1/2
5/8
8
01
1/2
5/8
890111
8
01
8
01
3/4‡ 31 / 61
212 3/4 -F4 3/4 3/4 212 3/4 3/4 3/4 3/4 21 3/4 21 21 21
‡ 31 / 61 L7/851 / 611
412512612
7/851 / 611
-F5 7/8-F5 51 / 61
1-F5
31 / 617/851 / 611
412512612
7/851 / 611 1
31 / 617/851 / 611
7/851 / 611
314151001
31 / 617/851 / 611
31415161
415161
415161
1‡ 1/ 6111/813/ 61
11/4 S
81291202E2
11/813/ 6111/4
1-F6 1/81-F6 3/ 611-F6 1/4
11/ 6111/813/ 6111/4
812912S022
11/ 6111/813/ 61
11/4 )602(13/ 61
11/4 )602(
11/ 6111/813/ 61
11/4 S
11/813/ 61
11/4 S
101201301A401
11/ 6111/813/ 61
11/4 A
718191R02
8191R02
8191R02
11/415/ 6113/817/ 61
022122222322
11/415/ 6113/817/ 61
1-F7 1/41-F7 5/ 611-F7 3/81-F7 7/ 61
11/415/ 6113/817/ 61
022
222322
11/4 )702(15/ 6113/817/ 61
11/4 )702(
17/ 61
11/415/ 6113/817/ 61
11/4
13/817/ 61
401501601701
11/415/ 6113/817/ 61
02122232
02
2232
02
2232
11/21‡ 9/ 6115/8
422 11/2 1-F8 1/2 11/219/ 61
422 11/2
1CS 5/8
11/2 11/219/ 61
11/2 801 11/2 4252
42 42
1‡ 5/8 L1 11 / 6113/4
1 31 / 61
622722822
15/81 11 / 6113/4
1-F9 5/81-F9 11 / 611-F9 3/4
15/81 11 / 6113/4
622722822
1XS 5/81 11 / 6113/4
15/81 11 / 6113/4
15/81 11 / 6113/4
011111211
15/81 11 / 6113/4
627282
627282
7282
1‡ 31 / 61 L17/8
1 51 / 612
13223E2
1 51 / 61 1-F01 51 / 6117/8
1 51 / 61 132 1 51 / 612
1 51 / 612
1 31 / 6117/8
1 51 / 61S2
1 51 / 612
511 1 51 / 61
920313R23
0313R23
13R23
L22‡ 1/ 6121/823/ 6121/4
232
532
2
23/ 61
2-F11
2-F11 3/ 61
2
21/823/ 61
232
532 23/ 612CS 1/4
23/ 61
2
21/823/ 61 23/ 61
002
302
2
23/ 61
23
4353
23
4353
23
53
2‡ 1/4 L25/ 6123/827/ 61
632
932
21/4
27/ 61
2-F21 1/4
2-F21 7/ 61
21/4
23/827/ 61
632
932
2XS 1/4
27/ 61
21/425/ 6123/827/ 61
402
702
63
8393
63
8393
2‡ 5/82‡ 11 / 61 342 342 2 11 / 61 112 342‡ 3/4
2‡ 31 / 612‡ 7/8
2 51 / 61
442
742 2 51 / 61 † 742 2 51 / 61 2 51 / 61
212
5126474
‡ .ytilibaliavarofstcudorPgniraeBdronxeRtlusnoC.kcotsmorfelbaliavasyawlatoN
4-BOLT FLANGE UNIT COMPARISON CHARTSThe competitive manufacturers are listed in alphabetical order to provide a convenient source of unitsubstitution. This data is based on the two most important dimensions – bolt hole size and bolt hole spacing.This does not mean these competitive units are interchangeable in all respects. The bearings can beconsidered interchangeable in most instances, but should be checked if complete dimensionalinterchangeability is essential.
MB Standard Duty 4-Bolt Flange Units
78
4-BOLT PILOTED FLANGE UNIT COMPARISON CHARTSThis data is based on the three most important dimensions – piloted diameter, bolt circle diameter and boltdiameter. This does not mean these competitive units are interchangeable in all respects. The bearings can beconsidered interchangeable in most instances, but should be checked if complete dimensionalinterchangeability is essential.
BM524CFtfahS.aiD
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51 / 611
51 / 611 613
5161 61
13/ 611‡ 1/4 S
913 13/ 61 9102
9102
17/ 61 17/ 61 17/ 61 323 17/ 61 17/ 61 32 3211/2 11/2 11/2 423 11/2 11/2 42 42
1 11 / 6113/4
1 11 / 6113/4
1 11 / 6113/4
723823
1 11 / 6113/4
1 11 / 61 7282
7282
1 51 / 612
1 51 / 612
1 51 / 612
133233
1 51 / 612
1 51 / 61 1323
1323
23/ 6121/4
23/ 6121/4
23/ 6121/4
533633
23/ 6121/4
23/ 61 5363
5363
27/ 6121/2
27/ 6121/2
27/ 6121/2
933043
27/ 6121/2
27/ 61 9304
9304
2 11 / 61 2 11 / 61 2 11 / 61 343 2 11 / 61 34 342 51 / 61
32 51 / 61
32 51 / 61
3743843
2 51 / 613
7484
7484
33/ 6137/ 6131/2
33/ 6137/ 6131/2
33/ 6137/ 6131/2
553653
37/ 6131/2
155565
5565
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11/415/ 6113/817/ 61
11/415/ 6113/817/ 61
02122232
11/219/ 6115/8
11/2
15/8
4252
1‡ 5/8 L1 11 / 6113/4
1 31 / 61
1‡ 31 / 61 L17/8
1 51 / 612
1 51 / 612
0313R23
2 L2‡ 1/ 6121/823/ 6121/4
23/ 6121/4
23
4353
2‡ 1/425/823/827/ 61 27/ 61
63
8393
2‡ 5/82‡ 11 / 61 342‡ 3/4
2‡ 31 / 612‡ 7/8
2 51 / 616474
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913023
13/ 61 9102
17/ 61 17/ 61 17/ 61 323 17/ 61 17/ 61 17/ 61 3211/2 11/2 11/2 423 11/2 11/2 11/2 42
1 11 / 6113/4
1 11 / 6113/4
1 11 / 6113/4
723823
1 11 / 6113/4
1 11 / 6113/4
1 11 / 6113/4
7282
1 51 / 612
1 51 / 612
1 51 / 612
133233
1 51 / 612
1 51 / 61 1 51 / 612
1323
23/ 6121/4
23/ 6121/4
23/ 6121/4
533633
23/ 6121/4
23/ 61 23/ 6121/4
5363
27/ 6121/2
27/ 6121/2
27/ 6121/2
933043
27/ 6121/2
27/ 6121/2
9304
2 11 / 61 2 11 / 61 2 11 / 61 343 2 11 / 61 342 51 / 61
32 51 / 61
32 51 / 61
3743843
2 51 / 613
2 51 / 613
7484
33/ 6137/ 6131/2
37/ 6131/2
37/ 6131/2
553653
37/ 6131/2
37/ 6131/2
5565
.ytilibaliavarofstcudorPgniraeBdronxeRtlusnoC.kcotsmorfelbaliavasyawlatoN‡
MB Standard Duty 4-Bolt PilotedFlange Units
MB Medium Duty 4-Bolt PilotedFlange Units
MB Medium Duty 4-Bolt Flange Units
79
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3/431 / 61
212 3/4 212 3/4 3/4 21 3/4 21 21
‡ 31 / 61 L7/851 / 611
412512612
31 / 617/851 / 611
412512612
7/851 / 611
31 / 617/851 / 611
4151001
31 / 617/851 / 611
31415161
415161
11/ 6111/813/ 61
11/4 S
81291202E2
11/ 6111/813/ 61
812912
11/ 6111/813/ 61
11/4 )602(
11/ 6111/813/ 61
101201301A401
11/ 6111/813/ 61
11/4 A
718191R02
8191R02
11/415/ 6113/817/ 61
022122222322
11/415/ 6113/817/ 61
022
222322
11/4 )702(15/ 6113/817/ 61
11/415/ 6113/817/ 61
401501601701
11/415/ 6113/817/ 61
02122232
02
2232
11/219/ 6115/8
422 11/219/ 61
422 11/2
1CS 5/8
11/219/ 61
801 11/2 4252
42
1‡ 5/8 L1 11 / 6113/4
1 31 / 61
622722822
15/81 11 / 6113/4
622722822
1XS 5/81 11 / 6113/4
15/81 11 / 6113/4
011111211
15/81 11 / 6113/4
627282
627282
1 31 / 61 L17/8
1 51 / 612
13223E2
17/81 51 / 61 132 1 51 / 61
2
1 31 / 6117/8
1 51 / 61 511 1 51 / 61
920313R23
0313R23
22‡ 1/ 6121/823/ 6121/4
232
532
2
21/823/ 61
232
532 23/ 612CS 1/4
221/ 6121/823/ 61
002
302
2
23/ 61
23
4353
23
4353
2‡ 1/4 L25/ 6123/827/ 61
632
932
21/4
23/827/ 61 932
2X2 1/4
27/ 61
21/425/ 6123/827/ 61
402
702
63
8393
63
8393
2‡ 3/42‡ 31 / 612‡ 7/8
2 51 / 61 2 2
212 *
512 *6474
.ytilibaliavarofstcudorPgniraeBdronxeRtlusnoC.kcotsmorfelbaliavasyawlatoN‡.snoisnemidtolsnisnoitairavsetoneD*
TAKE-UP BLOCK COMPARISON CHARTSThe competitive manufacturers are listed in alphabetical order to provide a convenient source of unitsubstitution. This data is based on the three most important dimensions – hole size slot width and slot depth.This does not mean these competitive units are interchangeable in all respects. The bearings can beconsidered interchangeable in most instances, but should be checked if complete dimensionalinterchangeability is essential.
MB Standard Duty Take-Up Blocks
80
TAKE-UP BLOCK COMPARISON CHARTS (cont.)The competitive manufacturers are listed in alphabetical order to provide a convenient source of unitsubstitution. This data is based on the three most important dimensions – hole size slot width and slot depth.This does not mean these competitive units are interchangeable in all respects. The bearings can beconsidered interchangeable in most instances, but should be checked if complete dimensionalinterchangeability is essential.
BM53CTtfahS.aiD
gninworB egdoD FKS retsamlaeS
SWTMSWTV MCS MT-MYBT TSM
51 / 611 613
5161
13/ 611‡ 1/4 S
913 9102
17/ 61 323 17/ 61 32
11/2 423 11/2 11/2 421 11 / 6113/4
723823
1 11 / 6113/4
1 11 / 6113/4
7282
1 51 / 612
133233
1 51 / 612
1 51 / 61 1323
23/ 6121/4
533633
23/ 6121/4
23/ 61 5363
27/ 6121/2
933043
27/ 6121/2
9304
2 11 / 61 343 2 11 / 61 2 11 / 61 34.ytilibaliavarofstcudorPgniraeBdronxeRtlusnoC.kcotsmorfelbaliavasyawlatoN‡
BMBHCM
eziStnelaviuqE
egdoD rinfaFPHR
)dralloP(GABHCS
retsamlaeS
CSXS
CHR*MCHR MF-YBT BHCS
‡ 51 / 611‡
1‡ 1/ 611‡ 1/8
1‡ 3/ 61 S1‡ 1/4 S
111/ 6111/8
5161
81
13/ 6111/415/ 6113/8
17/ 61 S
13/ 6111/415/ 6113/8
91021222
17/ 6111/219/ 6115/8
11/2
15/8
11/2
15/8
17/ 6111/219/ 61
324252
1 11 / 6113/417/8
1 51 / 612
1 51 / 612
1 51 / 61*2
1 11 / 6113/417/8
1 51 / 612
7282031323
23/ 6121/425/ 6123/827/ 61 27/ 61 27/ 61 *
23/ 6121/4
23/827/ 61
5363
8393
2‡ 11 / 612‡ 3/42‡ 7/8
2‡ 51 / 61
2 11 / 6123/427/8
2 51 / 61
34
6474
2 51 / 61 L3
3‡ 3/ 61 S
2 51 / 613 3
33/ 6184R15
33/ 6137/ 6131/2
.ytilibaliavarofstcudorPgniraeBdronxeRtlusnoC.kcotsmorfelbaliavasyawlatoN‡
SCREW CONVEYOR HANGER BEARING COMPARISON CHARTThe competitive manufacturers are listed in alphabetical order to provide a convenient source of unitsubstitution. This data is based on the three most important decisions – inner race bore diameter, pipe threadsize and “B” dimension on page 52. This does not mean these competitive units are interchangeable in allrespects. The bearings can be considered interchangeable in most instances, but should be checked ifcomplete dimensional interchangeability is essential.
MB Medium Duty Take-Up Blocks
81
BM52CBTtfahS.aiD
gninworB retsamlaeS
052BPT SBTMSBTV BT BTR
1/2‡9/ 61
5/811 / 61
5/8
802
012
890111
8
01
3/4‡ 31 / 61
3/4 212 21 21
‡ 31 / 617/851 / 611
51 / 611
412512612
415161
415161
1‡ 1/ 6111/813/ 61
11/4 S13/ 6111/4
812912S022
718191R02
8191R02
11/415/ 6113/817/ 61
11/4
13/817/ 61
022
222322
02122232
02
2232
11/21‡ 9/ 6115/8
11/2 422 4252
42
15/8 L1 11 / 6113/41‡ 31 / 61
13/4
622722822
627282
627282
1‡ 31 / 61 L17/8
1 51 / 612
1 51 / 61 132S232
0313R23
0313R23
L2 2
.ytilibaliavarofstcudorPgniraeBdronxeRtlusnoC.kcotsmorfelbaliavasyawlatoN‡
BMBHEMtfahS.aiD
egdoD PHR)dralloP( retsamlaeS
CSXS GABHCS BHES
51 / 611
1‡ 1/ 6111/8
13/ 61 S11/4 S
111/ 6111/8
5161
81
13/ 6111/415/ 6113/8
17/ 61 S
13/ 6111/415/ 6113/8
91021222
17/ 6111/21‡ 9/ 6115/8
11/2
15/8
17/ 6111/219/ 61
324252
1 11 / 6113/417/8
1 51 / 612
1 51 / 612
1 11 / 6113/417/8
1 51 / 61
7282031323
23/ 6121/425/ 6123/827/ 61 27/ 61
23/ 6121/4
23/827/ 61
5363
8393
2‡ 11 / 612‡ 3/42‡ 7/8
2‡ 51 / 61
2 11 / 6123/427/8
2 51 / 61
34
6474
2 51 / 61 L3
3‡ 3/ 61 S
2 51 / 613 3
384R15
.ytilibaliavarofstcudorPgniraeBdronxeRtlusnoC.kcotsmorfelbaliavasyawlatoN‡
BMBFMtfahS.aiD
retsamlaeS
BF
‡1/2‡9/ 61‡5/8
‡ 11 / 613/4
89011121
7/851 / 611
415161
1‡ 1/ 6111/8
7181
13/ 6111/4
91R02
11/415/ 6113/817/ 61
02122232
.ytilibaliavarofstcudorPgniraeBdronxeRtlusnoC.kcotsmorfelbaliavasyawlatoN‡
TAPPED BASE PILLOW BLOCK COMPARISON CHARTSThe competitive manufacturers are listed in alphabetical order to provide a convenient source of unitsubstitution. This data is based on the two most important dimensions – shaft center ehight distances andtapped bolt hole centers. This does not mean these competitive units are interchangeable in all respects. Thebearings can be considered interchangeable in most instances, but should be checked if complete dimensionalinterchangeability is essential.
MFB SERIES 3-BOLT FLANGE BRACKET COMPARISON CHARTSThe competitive manufacturers are listed in alphabetical order to provide a convenient source of unitsubstitution. This data is based on the three most important dimensions – shaft centerline location, bolt holesize and bolt hole spacing. This does not mean these competitive units are interchangeable in all respects. Thebearings can be considered interchangeable in most instances, but should be checked if complete dimensionalinterchangeability is essential.
Tapped Base Comparison ChartMEHB Series BearingComparison Chart
MFB Series Flange Comparison Chart
82
FPSR2 RUBBER MOUNTEDFLANGE UNIT COMPARISONThe competitive manufacturers are listed inalphabetical order to provide a convenient source ofunit substitution. This data is based on the two mostimportant dimensions – bolt hole size and bolt holespacing. This does not mean these competitive unitsare interchangeable in all respects. The bearings canbe considered interchangeable in most instances, butshould be checked if complete dimensionalinterchangeability is essential.
RER RUBBER MOUNTEDCARTRIDGE UNITCOMPARISONThe competitive manufacturers are listed inalphabetical order to provide a convenient source ofunit substitution. This data is based on the O.D. of therubber cartridge. This does not mean thesecompetitive units are interchangeable in all respects.The bearings can be considered interchangeable inmost instances, but should be checked if completedimensional interchangeability is essential.
BMK-2RSPFdna2RSPF
eziStfahS
retsamlaeS
FRS1/25/83/4
80121
7/851 / 611
415161
1‡ 1/ 6111/813/ 6111/4 S
718191R02
.ytilibaliavarofstcudorPgniraeBdronxeRtlusnoC.kcotsmorfelbaliavasyawlatoN‡
tfahSeziS
K-RERdnaRERBMrebmuN
retsamlaeSCRS
1/25/83/4
80121
80121
7/851 / 611
415161
415161
1‡ 1/ 6111/813/ 6111/4 S
718191
02 S
718191R02
.ytilibaliavarofstcudorPgniraeBdronxeRtlusnoC.kcotsmorfelbaliavasyawlatoN‡
BM52SPtfahS
eziS
anteA ACB raeGnotsoB egdoD rinfaF PHR)dralloP( FKS retsamlaeS
*LU-TPE *BPS SP LS BP BPL MF-YBT PSS1/2
9/ 615/811 / 61
1/29/ 615/8
1/2
5/8
1/29/ 615/8
1/29/ 615/811 / 61
1/2
5/8
3/4‡ 31 / 61
-110 3/4 3/4 3/4 3/4 3/4 3/4 3/4
‡ 31 / 61 L7/851 / 611
-310 31 / 61-310 7/8
-310 51 / 611-310
31 / 617/851 / 611
31 / 617/851 / 611
7/851 / 611
31 / 617/851 / 611
31 / 617/851 / 611
31 / 617/851 / 611
415161
1‡ 1/ 6111/813/ 61
11/4 S
-101 1/ 61-101 1/8-101 3/ 61-101 1/4
11/ 6111/813/ 6111/4
11/ 6111/813/ 61
11/4 S
11/813/ 6111/4
11/ 6111/813/ 61
11/4 S
11/ 6111/813/ 6111/4
11/ 6111/813/ 61
11/4 A
8191R02
.ytilibaliavarofstcudorPgniraeBdronxeRtlusnoC.kcotsmorfelbaliavasyawlatoN‡
BM52SPFtfahS
eziS
tleB-kniL anteA ACB notsoBraeG egdoD rinfaF weN
erutrapeDPHR
)dralloP( FKS retsamlaeS
*TSM *TSM-TPE *TSM 2SP LS TAR *2-LF LFLS MF-TF TFSS1/2
9/ 615/811 / 61
-04 1/2-04 9/ 61-04 5/8
-04 11 / 61
-0400 1/2-0400 9/ 61-0400 5/8
-04 1/2-04 9/ 61-04 5/8
1/2
5/8
1/2
5/8
-04 1/2-04 9/ 61-04 5/8
-04 11 / 61
1/29/ 615/811 / 61
1/2
5/8
8
01
3/4‡ 31 / 61
-74 3/4 -7400 3/4 -74 3/4 3/4 3/4 3/4 -74 3/4 3/4 3/4 21
‡ 31 / 61 L7/851 / 611
-25 31 / 61-25 7/8
-25 51 / 611-25
-2500 31 / 61-2500 7/8
-2500 51 / 611-2500
-25 31 / 61-25 7/8
-25 51 / 611-25
7/851 / 611
7/851 / 611
7/851 / 611
-25 31 / 61-25 7/8
-25 51 / 611-25
31 / 617/851 / 611
31 / 617/851 / 611
415161
1‡ 1/ 6111/813/ 61
11/4 S
1-26 1/ 611-26 1/81-26 3/ 611-26 1/4
-2600 1/ 61-2600 1/8-2600 3/ 61-2600 1/4
-26 1/ 61-26 1/8-26 3/ 61-26 1/4
11/ 6111/813/ 61
11/4 S
11/813/ 6111/4
11/ 6111/813/ 61
11/4 S
11/ 6111/813/ 61
11/4 S
11/ 6111/813/ 61
11/4 A
8191R02
.ytilibaliavarofstcudorPgniraeBdronxeRtlusnoC.kcotsmorfelbaliavasyawlatoN‡
STAMPED STEEL PILLOW BLOCK COMPARISON CHARTS
STAMPED STEEL 2-BOLT FLANGE UNIT COMPARISON CHARTSAll numbers listed are complete assembled unit numbers unless noted with (*) which indicates the numbersrepresent stamped housing number followed by the shaft diameter.
All numbers listed are complete assembled unit numbers unless noted with (*) which indicates the numbersrepresent stamped housing number followed by the shaft diameter.
FPSR2 Rubber Mounted Flange RER Rubber Mounted Cartridge Unit
83
BM523SPF
tfahSeziS
tleB-kniL anteA ACB raeGnotsoB egdoD rinfaF weNerutrapeD
PHR)dralloP( FKS retsamlaeS
*1CSM *1C-SM-TPE *SM 3SP LS AR *LF EFLS MF-F FSS1/2
‡9/ 615/811 / 61
-04 1/2
-04 5/8-04 11 / 61
-0400 1/2-0400 9/ 61-0400 5/8
-04 1/2-04 9/ 61-04 5/8
1/2
5/8
1/29/ 615/8
-04 1/2-04 9/ 61-04 5/8
-04 11 / 61
1/29/ 615/811 / 61
1/2
5/8
3/4‡ 31 / 61
-74 3/4 -7400 3/4 -74 3/4 3/4 3/4 3/4 -74 3/4 3/4 3/4 21
‡ 31 / 61 L7/851 / 611
-25 7/8-25 51 / 61
1-25
-2500 31 / 61 L-2500 7/8
-2500 51 / 611-2500
-25 31 / 61 L-25 7/8
-25 51 / 611-25
7/851 / 611
7/851 / 611
31 / 617/851 / 611
-25 31 / 61 L-25 7/8
-25 51 / 611-25
31 / 617/851 / 611
31 / 617/851 / 611
415161
1‡ 1/ 6111/813/ 61
11/4 S
1-26 1/81-26 3/ 611-26 1/4
-2600 1/ 61-2600 1/8-2600 3/ 61-2600 1/4
1-26 1/ 611-26 1/81-26 3/ 611-26 1/4
11/813/ 61
11/4 S
11/813/ 6111/4
11/ 6111/813/ 61
11/4 S
1-26 1/ 611-26 1/81-26 3/ 611-26 1/4
11/ 6111/813/ 6111/4
11/ 6111/813/ 61
11/4 A
8191R02
11/415/ 6113/817/ 61
1-27 1/41-27 5/ 611-27 3/81-27 7/ 61
1-27 1/41-27 5/ 611-27 3/81-27 7/ 61
11/415/ 6113/817/ 61
11/415/ 6113/817/ 61
1-27 1/41-27 5/ 611-27 3/81-27 7/ 61
15/ 6113/817/ 61
11/415/ 6113/817/ 61
02122232
.ytilibaliavarofstcudorPgniraeBdronxeRtlusnoC.kcotsmorfelbaliavasyawlatoN‡
BM523SPFT
tfahSeziS
tleB-kniL ACB rinfaF erutrapeDweN retsamlaeS
*RTSM *RTSM RTAR *3-LF FSST3/4
‡ 31 / 61
-74 3/4 -74 3/4 3/4 21
‡ 31 / 61 L7/851 / 611
-25 7/8-25 51 / 61
1-25
-25 31 / 61 L-25 7/8
-25 51 / 611-25
7/851 / 611
415161
‡11/ 6111/813/ 61
11/4 S
1-26 1/81-26 3/ 611-26 1/4
1-26 1/ 611-26 1/81-26 3/ 611-26 1/4
11/ 6111/813/ 61
11/4 S
1-26 1/ 611-26 1/81-26 3/ 611-26 1/4
8191R02
.ytilibaliavarofstcudorPgniraeBdronxeRtlusnoC.kcotsmorfelbaliavasyawlatoN‡
STAMPED STEEL 3-BOLT FLANGE UNIT COMPARISON CHARTS
All numbers listed are complete assembled unit numbers unless noted with (*) which indicates the numbersrepresent stamped housing number followed by the shaft diameter.
All numbers listed are complete assembled unit numbers unless noted with (*) which indicates the numbersrepresent stamped housing number followed by the shaft diameter.
STAMPED STEEL 3-BOLT TRIANGULAR FLANGE UNITCOMPARISON CHARTS
84
ADAPTER BEARING COMPARISON CHARTSThe competitive manufacturers are listed in alphabetical order to provide a convenient source of unitsubstitution. This data is based on the two most important dimensions – inner race bore and outer race O.D.This does not mean these competitive units are interchangeable in all respects. The bearings can beconsidered interchangeable in most instances, but should be checked if compete dimensionalinterchangeability is essential.
BM.oNgniraeB
K-RE*RE
BM.oNgniraeB
K-RE*RE.aiDtfahS gninworB rinfaF laredeF CRM streboR FKS retsamlaeS
8-RE9-RE‡
01-RE11-RE‡21-RE
8-RE9-RE
01-RE11-RE21-RE
1/29/ 615/811 / 613/4
802-REM902-REM012-REM112-REM212-REM
8-RE
01-RE
21-RE
80-RW90-RW01-RW11-RW21-RW
8-RE
01-RE
21-RE
8-AGN
L01-AGN
L21-AGN
01-REN
21-REN
8-RE9-RE
01-RE11-RE21-RE
41-RE51-RE61-RE
41-RE51-RE61-RE
7/851 / 611
412-REM512-REM612-REM
41-RE51-RE61-RE
41-RW51-RW61-RW 61-RE
01-AGN21-AGN41-AGN51-AGN61-AGN
41-REN
61-REN
41-RE51-RE61-RE
71-RE‡81-RE91-RE
S02-RE
71-RE81-RE91-RE
S02-RE
11/ 6111/813/ 6111/4
712-REM812-REM912-REM
81-RE91-RE
71-RW81-RW91-RW 91-RE
81-AGN91-AGN
A02-AGN
81-REN91-REN
71-RE81-RE91-RE
02-RE12-RE‡22-RE32-RE
02-RE12-RE22-RE32-RE
11/415/ 6113/817/ 61
022-REM122-REM222-REM322-REM
02-RE
22-RE32-RE
02-RW12-RW22-RW32-RW
02-RE
22-RE32-RE
H02-AGN12-AGN22-AGN32-AGN
L42-AGN
02-REN
22-REN32-REN
02-RE12-RE22-RE32-RE
42-RE52-RE
42-RE52-RE
11/219/ 61
422-REM522-REM
42-RE 42-RW52-RW
42-RE 42-REN 42-RE52-RE
62-RE72-RE82-RE
62-RE72-RE82-RE
15/81 11 / 6113/4
622-REM722-REM822-REM
72-RE82-RE
62-RW72-RW82-RW
62-RE72-RE82-RE
03-RE13-RE
03-RE13-RE
17/81 51 / 61
032-REM132-REM
03-RE13-RE
03-RW13-RW
03-RE13-RE
23-RE43-RE53-RE
23-RE43-RE53-RE
221/823/ 61
232-REM432-REM532-REM
23-RE
53-RE
23-RW43-RW53-RW
23-RE43-RE
23-RE43-RE53-RE
63-RE83-RE93-RE
63-RE83-RE93-RE
21/423/827/ 61 93-RE
63-RW83-RW93-RW
63-RE83-RE93-RE
04-RE34-RE
04-RE34-RE
21/22 11 / 61
04-RW34-RW
04-RE34-RE
64-RE74-RE
64-RE74-RE
27/82 51 / 61 74-RE
64-RW74-RW
64-RE74-RE
84-RE15-RE
84-RE15-RE
333/ 61
84-RW15-RW
84-RE15-RE
.ytilibaliavarofstcudorPgniraeBdronxeRtlusnoC.kcotsmorfelbaliavasyawlatoN‡
WORLDWIDE CUSTOMER SERVICE
3050 © Copyright 2004 Rexnord Industries, Inc. 06/04 10M - Action Printed in the U.S.A.
AUSTRALIA Rexnord Australia Pty. Ltd.Picton, New South WalesPhone: 61.2.4677.3811Fax: 61.2.4677.3812
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For over 100 years the dedicated people of Rexnord have delivered
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