Ball and Roller Bearings

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Four Row Tapered Roller BearingsC2rr1B2D DaddaSad Boundary dimensionsBasic load ratingsdynamic static dynamic staticmm kN kgfd D B2 C2 r1s min rs min Cr Cor Cr Cor368.300374.650380384.175385.762393.700395400406.400409.575415.925420431.800432.003440447.675523.875 382.588 382.588 3.3 6.4 4 450 13 100 455 000 1 330 000501.650 250.825 260.350 1.5 3.3 2 360 6 250 241 000 640 000536 390 390 6 5 4 900 14 100 500 000 1 440 000560 285 285 5 5 3 250 7 700 330 000 785 000546.100 400.050 400.050 3.3 6.4 5 400 16 100 550 000 1 640 000514.350 317.500 317.500 3.3 3.3 3 650 11 100 370 000 1 130 000546.100 288.925 288.925 1.5 6.4 3 200 10 200 325 000 1 040 000545 268.7 288.7 4 7.5 2 970 8 650 305 000 880 000560 380 380 5 5 4 800 14 100 490 000 1 440 000564 412 412 6 5 4 850 14 700 495 000 1 500 000546.100 288.925 288.925 1.5 6.4 3 200 10 200 325 000 1 040 000590.550 400.050 400.050 3.3 6.4 4 850 13 600 490 000 1 380 000609.600 309.562 317.500 3.5 6.4 3 700 9 600 380 000 980 000546.100 334.962 334.962 1.5 6.4 4 100 12 700 415 000 1 290 000590.550 434.975 434.975 3.3 6.4 6 300 18 900 640 000 1 930 000592 432 432 6 5 5 350 16 300 545 000 1 660 000650 460 460 5 5 6 950 18 300 710 000 1 870 000571.500 279.400 279.400 1.5 3.3 3 100 9 300 315 000 950 000571.500 336.550 336.550 1.5 6.4 3 700 11 800 380 000 1 200 000609.524 317.500 317.500 3.5 6.4 4 350 11 500 445 000 1 170 000620 454 454 6 6 6 500 19 900 665 000 2 030 000650 355 355 4 7.5 5 350 13 400 545 000 1 370 000650 460 460 6 6 6 750 20 700 690 000 2 110 000635.000 463.550 463.550 3.3 6.4 7 100 22 100 725 000 2 260 000Minimum allowable dimension for chamfer dimension r or r1.B-210
Four Row Tapered Roller BearingsBearing numbers Abutment and fillet dimensions Massmmkgda Da Sa (approx.) E-HM265049D/HM265010/HM265010DG2 393.7 487 6 280 E-LM765149D/LM765110/LM765110D 393 472 2 145E-625976 410 495 8 277E-CRO-7612 417 525 7 208 T-E-HM266449D/HM266410/HM266410DG2 411 507 6.5 312 E-LM665949D/LM665910/LM665910D 409 482 7 240 E-LM767745D/LM767710/LM767710D 418 510 6.5 219E-CRO-7901 434 508 3 200 E-CRO-8005 436 515 8 300E-625980 434 518.5 7 324 E-LM767749D/LM767710/LM767710D 427 510 6.5 201 E-EE833161D/833232/833233D 448 549 6.5 395 E-EE911603D/912400/912401D 441 568 1.5 332 E-M667947D/M667911/M667911DG2 431 510 5.5 226 T-E-M268749D/M268710/M268710DG2 444 549 9 421E-625984 457 545 7 374E-CRO-8402 455 593 8 600 J-E-LM869449D/LM869410/LM869410D 453 537 8 198 E-LM769349D/LM769310/LM769310D 453 534 6.5 232 E-EE736173D/736238/736239D 464 572 6.5 297E-625988 479 572.5 8 430 E-CRO-8807 484 607 9 400E-CRO-8806 483 595 11 600 E-M270749D/M270710/M270710DAG2 478 591 8 509Note: 1. Bearing numbers marked " " designate inch series bearings.2. Bearing numbers marked " " designate bearing with hollow rollers and pin type cages.B-211
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For New Technology NetworkRcorporat
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WarrantyNTN warrants, to the origin
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TECHNICAL DATA CONTENTS1. Classific
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Classification and Characteristics
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Bearing SelectionSelect bearing’s
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Bearing Selection2.3 Selection of b
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Load Rating and Life3. Load Rating
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Load Rating and LifeThe basic stati
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Bearing Load CalculationTable 4.2 G
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Bearing Load Calculation4.3 Mean lo
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Bearing Load CalculationTable 4.5 B
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Bearing Load Calculation(Example 4)
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Boundary Dimensions and Bearing Num
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Boundary Dimensions and Bearing Num
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Bearing Tolerances6. Bearing Tolera
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Bearing TolerancesMean bore diamete
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Bearing TolerancesUnitmInner ringax
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Bearing TolerancesTMaster cupsub-un
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Bearing TolerancesInner ringaxial r
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Bearing TolerancesTable 6.8 Toleran
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Bearing Tolerances!d!d2ddd+!dd+!dBT
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Bearing Fits7. Bearing Fits7.1 Fitt
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Bearing Fits(4) A particular type o
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Bearing FitsTable 7.3 Standard fits
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Bearing FitsA-5512T12.5T13.5T16.5T2
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Bearing FitsTable 7.7 General fitti
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Bearing Internal Clearance and Prel
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Nominal bore diameterdmm10241024303
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Friction and Temperature Rise10. Fr
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Lubricationviscosity base oil are b
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LubricationAluminum greaseAI soapNo
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Lubrication11.5 Oil lubricationOil
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LubricationTable 11.9 Factor KExpel
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External bearing sealing devicesTyp
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Bearing Materials13. Bearing Materi
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Shaft and Housing Design14. Shaft a
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Shaft and Housing Design14.2.3 Thru
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Bearing Handling280280Diametric exp
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Bearing HandlingTable 15.1 Installa
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Bearing HandlingLarge bearings, ins
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A-95
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Bearing Damage and Corrective Measu
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Bearing Damage and Corrective Measu
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Technical DataThis data is based on
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Technical Data17.5 Fitting surface
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Ball and Roller Bearings
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Tapered Roller Bearings !!!!!!!!!!!
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!Deep Groove Ball Bearings2. Standa
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Deep Groove Ball BearingsBrrDdd Op
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Deep Groove Ball Bearingsd Boundar
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Deep Groove Ball BearingsBrrarraDdD
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Expansion Compensating BearingsBrrD
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AC BearingsBrrDdd Open typeShielde
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!Miniature and Extra Small Bearings
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!Miniature and Extra Small Bearings
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Miniature and Extra Small Ball Bear
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Angular Contact Ball Bearings1.2 Fo
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Single and Duplex Angular Contact B
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Four-Point Contact Ball BearingsQJ
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Double Row Angular Contact Ball Bea
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Double Row Angular Contact Ball Bea
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Self-Aligning Ball Bearings1. Desig
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Self-Aligning Ball BearingsEquivale
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Adapters(for self-aligning ball bea
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AdaptersB-75
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Cylindrical Roller BearingsTable 2
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Cylindrical Roller BearingsBBrr1rr1
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L Type Loose RibL type collar ringB
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L Type Loose RibL type collar ringB
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Double Row Cylindrical Roller Beari
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Four-Row Cylindrical Roller Bearing
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Tapered Roller BearingsSingle row t
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Tapered Roller Bearings5. ECO-Top t
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Tapered Roller BearingsInch series
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Tapered Roller BearingsSaSbr1aEquiv
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Tapered Roller BearingsDa dbr1arada
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Tapered Roller BearingsDa dbr1arada
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Tapered Roller Bearingsr1araEquival
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Page 265 and 266: Tapered Roller Bearingsr1araEquival
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Page 269 and 270: Tapered Roller BearingsDa dbr1arada
Page 291 and 292: Double Row Tapered Roller BearingsS
Page 309 and 310: Four Row Tapered Roller BearingsBea
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Page 326 and 327: Spherical Roller Bearings2. Standar
Page 328 and 329: Spherical Roller BearingsBrrDddCyli
Page 348 and 349: Adapter(For spherical roller bearin
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Page 361 and 362: Thrust BearingsSingle direction thr
Page 363 and 364: Thrust BearingsB-257
Page 365 and 366: Single Direction Thrust Ball Bearin
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Single Direction Thrust Ball Bearin
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Spherical Roller Thrust Bearingsdar
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Locknuts, Lockwashers& Lockplates
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LocknutsReferencewithdrawal sleeve
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LocknutsReferencebore no. lock- Sh
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Locknutsr1gbhsrB30˚ Gd2dPd6d1Beari
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NutsReferencewithdrawal sleeve no.A
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LockwashersSeries AWƒ25˚r2B2ƒ1B1
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LockwashersSeries AWLƒ25˚r2B2ƒ1B
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Snap rings and grooves for rolling
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Snap rings and grooves for rolling
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Catalog List and Appendix Table Con
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Catalog ListCATALOG TITLESCATALOG N
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D-41234567890001020304/2205/2806/32
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Appendix TableAppendix table 2: Com
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Appendix TableAppendix table 5: Dim
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Appendix TableAppendix table 6: Dim
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Appendix TableAppendix table 7: Bas
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Appendix TableAppendix table 9: Kgf
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D-16Rockwell hardnessBrinell hardne
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