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 584.200825.500mm 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 584.200 585.788 595.312 609.600 657.225 660 660.400 670 679.450 680 682.625 685.800 710 711.200 730 730.250 749.300 762.000 762.000 396.875 401.638 3.3 6.4 6,550 22,300 670,000 2,280,000 771.525 479.425 479.425 3.3 6.4 7,350 25,700 750,000 2,620,000 844.550 615.950 615.950 3.3 6.4 12,600 40,500 1,290,000 4,100,000 787.400 361.950 361.950 3.3 6.4 6,450 20,300 655,000 2,070,000 933.450 676.275 676.275 3.3 6.4 15,300 48,000 1,560,000 4,900,000 1,070 642 642 7.5 7.5 15,400 43,500 1,570,000 4,450,000 812.800 365.125 365.125 3.3 6.4 6,200 23,200 630,000 2,360,000 960 700 700 7.5 7.5 16,700 51,500 1,700,000 5,300,000 901.700 552.450 552.450 3.3 6.4 11,200 38,000 1,140,000 3,900,000 870 460 460 3 6 7,500 27,400 765,000 2,790,000 965.200 701.675 701.675 3.3 6.4 16,100 50,500 1,640,000 5,150,000 876.300 352.425 355.600 3.3 6.4 6,050 21,800 615,000 2,220,000 900 410 410 2.5 5 7,650 26,900 780,000 2,740,000 914.400 317.500 317.500 3.3 6.4 5,350 17,900 545,000 1,820,000 1,070 642 642 7.5 7.5 15,400 46,500 1,570,000 4,750,000 1,035.050 755.650 755.650 3.3 6.4 18,300 60,000 1,870,000 6,100,000 990.600 605.000 605.000 3.3 6.4 12,600 45,500 1,290,000 4,650,000 1,079.500 787.400 787.400 4.8 12.7 19,200 65,000 1,960,000 6,600,000 800 825.500 1,120 820 820 7 7.5 21,000 72,500 2,140,000 7,400,000 1,168.400 844.550 844.550 4.8 12.7 22,300 76,500 2,270,000 7,800,000 1 Minimum allowable dimension for chamfer dimension r or r1. B-224
Four Row Tapered Roller Bearings Bearing numbers Abutment and fillet dimensions Mass mm kg d a D a S a approx. E-LM778549D/LM778510/LM778510DG2 615 717 7 511 E-LM278849D/LM278810/LM278810D 615 726 10 750 E-M280049D/M280010/M280010DG2 633 786 11 1,160 E-EE649241D/649310/649311DG2 636 747 9.5 458 E-M281649D/M281610/M281610DG2 699 870 11 1,630 E-CRO-13202 760 991 9 1,950 E-L281149D/L281110/L281110DG2 682.8 777 9 448 E-CRO-13401 719 901 8 1,600 E-LM281849D/LM281810/LM281810DG2 714 852 11 1,040 E-CRO-13602 713 824 8 582 E-M282249D/M282210/M282210DG2 723 900 13 1,770 E-EE655271D/655345/655346DG2 717 831 8 539 E-CRO-14208 745 850 10 620 E-EE755281D/755360/755361DG2 744 873 9.5 527 E-CRO-14601 780 1,020 7 1,900 E-M283449D/M283410/M283410D 774 966 13 2,210 E-LM283649D/LM283610/LM283610DG2 786 936 10.5 1,310 E-M284249D/M284210/M284210DG2 810 1,005 13 2,480 E-CRO-16001 858 1,052 10 3,960 E-M285848D/M285810/M285810DG2 879 1,085 13 3,010 Note: 1. Bearing numbers marked "" designate inch system bearings. 2. Bearing numbers marked "" designate bearing with hollow rollers and pin type cages. B-225
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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 276 and 277: Tapered Roller Bearings Inch system
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Page 310 and 311: Multi-Row Tapered Roller Bearings I
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Page 314 and 315: Four Row Tapered Roller Bearings C2
Page 331 and 332: Spherical Roller Bearings 1. Types,
Page 333 and 334: Spherical Roller Bearings 5. Adapte
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Page 355 and 356: Adapter (For spherical roller beari
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Page 359 and 360: Withdrawal Sleeves (For spherical r
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Page 371 and 372: High Speed Duplex Angular Contact T
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Self-Aligning Roller Thrust Bearing
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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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