Ball and Roller Bearings - Ntn-snr.com

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Four Row Tapered Roller Bearings C2 r r1 B2 D Da d da Sa d 457.200571.500mm Boundary dimensions Basic load ratings dynamic static dynamic static mm kN kgf 1 1 d D B 2 C 2 r 1s min r s min C r C or C r C or 457.200 460 475 480 482.600 488.950 489.026 500 501.650 514.350 519.112 520 536.575 558.800 570 571.500 596.900 276.225 279.400 1.5 3.3 3,350 10,300 360,000 1,060,000 660.400 323.850 323.847 3.3 6.4 4,150 11,200 425,000 1,140,000 650 474 474 6 6 6,500 19,900 665,000 2,030,000 660 450 450 3 5 6,300 20,400 645,000 2,080,000 678 494 494 6 6 6,250 19,600 640,000 2,000,000 700 390 390 6 6 4,700 13,400 480,000 1,370,000 615.950 330.200 330.200 3.3 6.4 4,000 13,400 405,000 1,370,000 660.400 365.125 361.950 8 6.4 4,700 15,400 480,000 1,570,000 634.873 320.675 320.675 3.3 3.3 3,650 12,000 370,000 1,220,000 670 515 515 1.5 5 6,900 24,600 700,000 2,510,000 690 480 480 5 5 6,000 19,900 610,000 2,020,000 705 515 515 6 6 8,450 27,100 860,000 2,760,000 730 440 440 6 6 7,200 20,600 735,000 2,100,000 711.200 520.700 520.700 3.3 6.4 8,650 27,300 885,000 2,790,000 673.100 422.275 422.275 3.3 6.4 5,950 20,500 605,000 2,090,000 736.600 536.575 536.575 3.3 6.4 9,100 28,700 925,000 2,930,000 735 535 535 7 5 9,100 28,700 925,000 2,930,000 761.873 558.800 558.800 3.3 6.4 10,100 30,500 1,030,000 3,100,000 736.600 322.265 322.268 3.3 6.4 4,300 13,500 435,000 1,380,000 736.600 409.575 409.575 3.3 6.4 6,100 20,500 625,000 2,090,000 780 515 515 6 6 9,200 31,000 935,000 3,150,000 810 590 590 6 6 11,000 35,500 1,120,000 3,600,000 812.800 593.725 593.725 3.3 6.4 11,900 36,500 1,220,000 3,750,000 1 Minimum allowable dimension for chamfer dimension r or r1. B-222
Four Row Tapered Roller Bearings Bearing numbers Abutment and fillet dimensions Mass mm kg d a D a S a approx. E-L770849D/L770810/L770810DG2 478 567 5.5 209 E-EE737179D/737260/737260D 495 616 6.5 379 E-625992A 499 598.5 7 493 E-CRO-9501 506 614 10 465 E-625996 525 623 7 563 E-CRO-9602 517 645 8 436 E-LM272249D/LM272210/LM272210DG2 504 585 6.5 250 E-EE640193D/640260/640261DG2 519 624 9 364 E-LM772749D/LM772710/LM772710D 513 600 6.5 268 E-CRO-10008 520 616 8 598 E-CRO-10005 530 640 7 600 E-6259/500 553 649.5 7.5 632 E-CRO-10003 550 683 11 535 E-M274149D/M274110/M274110DG2 534 663 9.5 726 E-LM274449D/LM274410/LM274410D 540 648 8 390 E-M275349D/M275310/M275310DG2 552 684 9.5 761 E-CRO-10402 558 688 11 750 E-M276449D/M276410/M276410DG2 564 711 9.5 890 E-EE843221D/843290/843291D 585 699 8.5 388 E-LM377449D/LM377410/LM377410DG2 588 696 8 502 E-CRO-11402 609 733 7.5 625 E-CRO-11403 620 760 10 845 E-M278749D/M278710/M278710DG2 609 756 11 1,080 Note: 1. Bearing numbers marked "" designate inch system bearings. 2. Bearing numbers marked "" designate bearing with hollow rollers and pin type cages. B-223
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For New Technology Network R corpor
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Warranty NTN warrants, to the origi
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TECHNICAL DATA CONTENTS 1. Classifi
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Classification and Characteristics
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Bearing Selection Select bearing’
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Bearing Selection 2.3 Selection of
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Load Rating and Life 3. Load Rating
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Load Rating and Life where, Lna : A
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Bearing Load Calculation 4. Bearing
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Bearing Load Calculation 4.1.2 Chai
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Bearing Load Calculation 4.4 Equiva
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Bearing Load Calculation 4.5 Allowa
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Bearing Load Calculation Fr2 70 K
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Boundary Dimensions and Bearing Num
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Boundary Dimensions and Bearing Num
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Bearing Tolerances Table 6.3 Tolera
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Bearing Tolerances 6.2 Chamfer meas
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Bearing Tolerances 6.3 Bearing tole
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Bearing Fits 7.3.2 Recommended Fits
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Bearing Fits Table 7.2 (3) Housing
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Bearing Fits Table 7.5 Numeric valu
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Bearing Fits Table 7.6 Fits for inc
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Bearing Internal Clearance and Prel
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Allowable Speed 9. Allowable Speed
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Lubrication 11. Lubrication 11.1 Lu
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Lubrication (1) Base oil Natural mi
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Lubrication 11.4 Solid grease (For
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Lubrication Bearing operating Lubri
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External bearing sealing devices 12
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External bearing sealing devices Ty
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Bearing Materials 13.2 Cage materia
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Shaft and Housing Design 14.2 Beari
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Bearing Handling 15. Bearing Handli
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Bearing Handling a) Installation on
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Bearing Handling 15.4 Post installa
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Bearing Handling Fig. 15.24 shows t
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Bearing Damage and Corrective Measu
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Technical Data Axial displacement m
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Technical Data 17.4 Fitting surface
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A-100
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INDEX OF BEARING TABLES Deep Groove
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Deep Groove Ball Bearings Open type
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Deep Groove Ball Bearings bearing i
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Deep Groove Ball Bearings D D1 rN r
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Deep Groove Ball Bearings Equivalen
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Expansion Compensating Bearings Da
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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 Bearings Angul
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Angular Contact Ball Bearings 2. St
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Single and Duplex Arrangements Db r
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High Speed Single and Duplex Arrang
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Ultra-High Speed Angular Contact Ba
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B-67
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Ceramic Ball Angular Contact Ball B
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Four-Point Contact Ball Bearings QJ
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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 Bearings B r ra
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Adapters (for self-aligning ball be
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Adapters (for self-aligning ball be
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Cylindrical Roller Bearings Cylindr
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Cylindrical Roller Bearings 2. Stan
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Cylindrical Roller Bearings ra r1a
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L Type Loose Rib B2 B2 r1 r1 B1 d d
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L Type Loose Rib B2 B2 r1 r1 B1 d d
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Multi-Row Cylindrical Roller Bearin
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Four-Row Cylindrical Roller Bearing
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Tapered Roller Bearings Table 1 (co
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Tapered Roller Bearings Inch Tapere
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Tapered Roller Bearings Inch Tapere
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Tapered Roller Bearings Metric syst
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Tapered Roller Bearings Inch system
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Page 274 and 275: Tapered Roller Bearings Inch system
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Page 331 and 332: Spherical Roller Bearings 1. Types,
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Page 355 and 356: Adapter (For spherical roller beari
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Self-Aligning Roller Thrust Bearing
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Locknuts, Lockwashers & Lockplates
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Locknuts Reference withdrawal sleev
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Locknuts Reference bore no. 3 locko
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Nuts Reference withdrawal sleeve no
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Lockwashers Series AW ƒ r2 B2 ƒ1
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Lockwashers Series AWL ƒ r2 B2 ƒ
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Catalog List & Appendix Table
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Catalog List CATALOG TITLES CATALOG
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Appendix Table SI-customary unit co
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