NTN - Large Bearings

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Four Row Tapered Roller <strong>Bearings</strong> Sa Da ra r1a da Equivalent bearing load dynamic PrXFrYFa Fa Fr e Fa e Fr X Y X Y 1 Y1 0.67 Y2 static PorFrYoFa For values of e, Y2 and Yo see the table below. Bearing numbers Abutment and fillet dimensions Constant Axial load factors Mass mm kg d a D a S a r as r las min max max e Y 1 Y 2 Y o (approx.) LM772749D/LM772710/LM772710DA 513 600 6.5 2.5 2.5 0.47 1.43 2.12 1.40 268 CRO-10008 520 616 8 4 1.5 0.40 1.68 2.50 1.64 598 CRO-10005 530 640 7 4 4 0.33 2.03 3.02 1.98 600 6259/500 553 649.5 7.5 5 5 0.33 2.03 3.02 1.98 632 CRO-10023 554 702 7.5 5 5 0.40 1.68 2.50 1.64 606 CRO-10003 550 683 11 5 5 0.33 2.03 3.02 1.98 535 M274149D/M274110/M274110DG2 534 663 9.5 6.4 3.3 0.33 2.03 3.02 1.98 726 EE531201D/531300/531301XDG2 549 711 9.5 5 5 0.38 1.77 2.64 1.73 740 CRO-10208 (CRO-10214) 533.5 527 5 5 5 0.41 1.65 2.46 1.61 320 LM274449D/LM274410/LM274410D 540 648 8 6.4 3.3 0.33 2.03 3.02 1.98 390 M275349D/M275310/M275310DG2 (CRO-10408) 552 684 9.5 6.4 3.3 0.33 2.03 3.02 1.98 761 CRO-10402 558 688 11 4 6 0.33 2.03 3.02 1.98 750 CRO-10702 680 929.2 7.5 6 6 0.32 2.12 3.15 2.07 1,662 M276449D/M276410/M276410DG2 564 711 9.5 6.4 3.3 0.33 2.03 3.02 1.98 890 EE522126D/523087/523088D 575 733 6.5 6.4 3.3 0.48 1.41 2.10 1.38 552 CRO-11101 (CRO-11103) 579 670.5 6.5 5 5 0.33 2.03 3.02 1.98 298 EE843221D/843290/843291D (CRO-11217) 585 699 8.5 6.4 3.3 0.34 1.98 2.94 1.93 388 LM377449D/LM377410/LM377410DG2 (CRO-11216) 588 696 8 6.4 3.3 0.35 1.95 2.90 1.90 502 CRO-11402 609 733 7.5 5 5 0.33 2.03 3.02 1.98 625 CRO-11403 620 760 10 5 5 0.33 2.03 3.02 1.98 845 M278749D/M278710/M278710DAG2 609 756 11 6.4 3.3 0.33 2.03 3.02 1.98 1,080 LM778549D/LM778510/LM778510DG2 615 717 7 6.4 3.3 0.47 1.43 2.14 1.40 511 LM278849D/LM278810/LM278810D 615 726 10 6.4 3.3 0.35 1.95 2.90 1.91 750 Remarks: 1. Bearing numbers marked "" designate inch system bearings. 2. Bearing numbers marked "" designate bearing with hollow rollers and pin type cages. 3. B-195
Four Row Tapered Roller <strong>Bearings</strong> C2 r r1 B2 D d d 585.788730mm Boundary dimensions Basic load ratings dynamic static dynamic static mm kN kgf d D B 2 C 2 r s min 1 r ls min 1 C r C or C r C or 585.788 595.312 609.600 611.500 630 650 657.225 660 660.400 670 679.450 680 682.625 685.800 710 711.200 730 771.525 479.425 479.425 6.4 3.3 7,350 25,700 750,000 2,620,000 844.550 615.950 615.950 6.4 3.3 12,300 39,000 1,250,000 4,000,000 844.550 615.950 615.950 6.4 3.3 12,600 40,500 1,290,000 4,100,000 787.400 361.950 361.950 6.4 3.3 6,450 20,300 655,000 2,070,000 863.600 660.400 660.400 6.4 3.3 13,500 42,000 1,380,000 4,300,000 832.800 593.725 593.725 6.4 3.3 11,500 37,500 1,170,000 3,850,000 920 600 600 7.5 7.8 13,100 39,000 1,340,000 3,950,000 1,030 560 560 7.5 12 13,500 35,000 1,380,000 3,550,000 933.450 676.275 676.275 6.4 3.3 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 6.4 3.3 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 1,090 710 710 7.5 7.5 19,100 50,000 1,950,000 5,100,000 1,090 710 710 7.5 7.5 17,400 47,500 1,780,000 4,850,000 901.700 552.450 552.450 6.4 3.3 11,200 38,000 1,140,000 3,900,000 870 460 460 6 3 7,500 27,400 765,000 2,790,000 965.200 701.675 701.675 6.4 3.3 16,100 50,500 1,640,000 5,150,000 876.300 352.425 355.600 6.4 3.3 6,050 21,800 615,000 2,220,000 900 410 410 5 2.5 7,650 26,900 780,000 2,740,000 914.400 317.500 317.500 6.4 3.3 5,350 17,900 545,000 1,820,000 914.400 317.500 317.500 6.4 16 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 Minimum allowable dimension for chamfer dimension r or r1. B-196
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For New Technology Network R corpor
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Warranty NTN warrants, to the origi
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A-2
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A-4
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Load Rating and Life n min -1 60,00
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Bearing Load Calculation 2. Bearing
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A-10A-30
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Bearing Tolerances Table 3.3 Tolera
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Bearing Tolerances 3.2 Limits and t
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Bearing Fits 4. Bearing Fits 4.1 In
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Bearing Fits (3) Consideration must
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Bearing Fits Table 4.3 Standard fit
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Bearing Fits Table 4.6 Fits for inc
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Bearing Internal Clearance (1) Redu
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Bearing Internal Clearance Table 5.
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Lubrication 6. Lubrication 6.1 Lubr
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Lubrication 6.3.2 Base oil Natural
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Lubrication 6.5 Oil lubrication Oil
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Lubrication Table 6.9 Factor K Expe
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MEMO A-46
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INDEX OF BEARING TABLES Deep Groove
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Deep Groove Ball Bearings
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Deep Groove Ball Bearings D r B r d
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Deep Groove Ball Bearings r D B r d
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Angular Contact Ball Bearings
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Angular Contact Ball Bearings 1. 2
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Angular Contact Ball Bearings Singl
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Double Row Angular Contact Ball Bea
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Double Row Angular Contact Ball Bea
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Cylindrical Roller Bearings
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Cylindrical Roller Bearings Table 3
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Single Row Cylindrical Roller Beari
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Multi-Row Cylindrical Roller Bearin
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4-Row Cylindrical Roller Bearings C
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SL Type Cylindrical Roller Bearings
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Tapered Roller bearings
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Tapered Roller Bearings Table 2 Str
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Tapered Roller Bearings Inch system
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Tapered Roller Bearings Inch system
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Single Row Tapered Roller Bearings
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Double Row Tapered Roller Bearings
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Page 193 and 194: Double Row Tapered Roller Bearings
Page 219 and 220: Double Row Steep Slope Tapered Roll
Page 229 and 230: Four Row Tapered Roller Bearings C2
Page 243: Four Row Tapered Roller Bearings C2
Page 249 and 250: Sealed Four Row Tapered Roller Bear
Page 251 and 252: Spherical Roller bearings
Page 253 and 254: Spherical Roller Bearings 2. Dimens
Page 255 and 256: Spherical Roller Bearings B r r D d
Page 275 and 276: Thrust bearings
Page 277 and 278: Thrust Bearings 1. 3 Tapered roller
Page 279 and 280: Thrust Bearings d1 d D1 D r r T da
Page 281 and 282: Thrust Bearings d1 d D1 D r r T da
Page 283 and 284: Thrust Roller Bearings r d1 d D D1
Page 285 and 286: Thrust Roller Bearings r d1 d T r D
Page 287 and 288: Thrust Roller Bearings r d1 d T r D
Page 289 and 290: Tapered Roller Thrust Bearings (Sin
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Page 293 and 294: Tapered Roller Thrust Bearings (Dou
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Self-Aligning Thrust Roller Bearing
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Bearings for special applications C
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Split Cylindrical Roller Bearings:
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Double-Fractured Split Cylindrical
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Bearings for Preparing Rolls: Sendz
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Enclosed-Type Tapered Roller Bearin
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Tapered Roller Thrust Bearings: Scr
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Tapered Roller Thrust Bearings: Scr
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Tension Leveler Roll Unit: Cartridg
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Turn Table Bearings: 3-Row Cylindri
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Sealed Spherical Roller Bearings: M
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Spherical Surface Slide Bearings ¡
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Catalog List & Appendix Table
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Catalog List CATALOG TITLES CATALOG
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Appendix Table D-5 Appendix table 1
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Appendix Table Appendix table 2: Co
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Appendix Table h4 h5 h6 h7 h8 h9 h1
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Appendix Table H7 H8 H9 H10 H11 H13
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Appendix Table Appendix table 8: Vi
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D-15 1/64 1/32 3/64 1/16 5/64 3/32
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NTN - Large Bearings

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