NTN - Large Bearings

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Multi-Row Cylindrical Roller <strong>Bearings</strong> ra ra ra ra da Da da Da Equivalent bearing load dynamic PrFr static PorFr Type NN Type NNU Dimensions Abutment and fillet dimensions Mass (approx.) mm mm kg d a D a r as type NNU type NN Cylindrical Cylindrical F w E w min max max bore bore 411 333 2.5 40.5 359 411 333 427 2.5 51.4 49 366 438 336 464 3 79.3 76.2 383 340 520 4 170 379 431 353 447 2.5 54.2 52.2 393 473 360 500 4 105 102 451 373 2.5 44.8 398 373 467 2.5 57 413 493 380 520 4 111 107 415 380 520 4 136 425 396 504 3 84.5 432 512 400 540 4 117 113 430.5 411 489 2 46.1 445 416 524 3 88.2 547 420 4 146 522 436 3 71.7 465 436 544 3 92 567 440 4 154 500 444 676 5 359 492 456 584 3 127 500 596 464 626 5 184 178 505 464 626 5 248 512 476 604 3 132 622 484 5 202 566 493 2.5 57.5 534 500 630 4 156 710 512 6 482 532 513 607 2.5 61.9 556 520 650 4 162 664 524 5 221 B-61
Multi-Row Cylindrical Roller <strong>Bearings</strong> B r B r r r D d FW d D Ew d d d 530950mm Type NNU Tapered bore Cylindrical bore taper 1:12 Type NN Tapered bore Cylindrical bore taper 1:12 Boundary dimensions Basic load ratings Bearing numbers dynamic static dynamic static mm kN kgf type NNU type NN Cylindrical tapered Cylindrical tapered d D B 2 r s min C r C or C r C or bore bore 1 bore bore 1 530 560 600 630 750 800 950 650 90 3 1,060 2,840 108,000 289,000 NN38/530 710 180 5 2,740 7,150 279,000 730,000 NNU49/530 NNU49/530K 680 90 3 1,060 2,960 108,000 300,000 NN38/560 750 190 5 3,150 8,450 325,000 860,000 NNU49/560 NNU49/560K NN49/560 820 195 6 3,550 7,700 365,000 785,000 NNU30/560 730 128 3 1,840 5,400 188,000 550,000 NNU48/600 870 200 6 3,700 8,250 375,000 845,000 NN30/600 780 150 4 2,200 6,200 224,000 630,000 NNU48/630 850 165 6 5,750 5,300 585,000 1,560,000 NNU39/630 920 128 5 2,340 6,450 238,000 660,000 NNU38/750 1,000 250 6 4,850 3,200 495,000 1,340,000 NNU49/750 980 136 5 2,430 6,700 248,000 680,000 NNU38/800 1,060 195 6 3,900 10,200 400,000 1,040,000 NNU39/800 1,250 300 7.5 7,150 1,200 730,000 2,160,000 NN49/950 1 "K" indicates bearings have tapered bore with a taper ratio of 1: 12. 2 Smallest allowable dimension for chamfer dimension r. B-62
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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 D r B r d
Page 59 and 60: Deep Groove Ball Bearings D r B r d
Page 61 and 62: Deep Groove Ball Bearings r D B r d
Page 63 and 64: Angular Contact Ball Bearings
Page 65 and 66: Angular Contact Ball Bearings 1. 2
Page 67 and 68: Angular Contact Ball Bearings Singl
Page 81 and 82: Double Row Angular Contact Ball Bea
Page 83 and 84: Double Row Angular Contact Ball Bea
Page 85 and 86: Cylindrical Roller Bearings
Page 87 and 88: Cylindrical Roller Bearings Table 3
Page 89 and 90: Single Row Cylindrical Roller Beari
Page 105 and 106: Multi-Row Cylindrical Roller Bearin
Page 107 and 108: Multi-Row Cylindrical Roller Bearin
Page 109: Multi-Row Cylindrical Roller Bearin
Page 113 and 114: 4-Row Cylindrical Roller Bearings C
Page 129 and 130: SL Type Cylindrical Roller Bearings
Page 137 and 138: Tapered Roller bearings
Page 139 and 140: Tapered Roller Bearings Table 2 Str
Page 141 and 142: Tapered Roller Bearings Inch system
Page 143 and 144: Tapered Roller Bearings Inch system
Page 145 and 146: Single Row Tapered Roller Bearings
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Single Row Tapered Roller Bearings
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Double Row Tapered Roller Bearings
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Double Row Steep Slope Tapered Roll
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Four Row Tapered Roller Bearings C2
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Sealed Four Row Tapered Roller Bear
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Spherical Roller bearings
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Spherical Roller Bearings 2. Dimens
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Spherical Roller Bearings B r r D d
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Thrust bearings
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Thrust Bearings 1. 3 Tapered roller
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Thrust Bearings d1 d D1 D r r T da
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Thrust Bearings d1 d D1 D r r T da
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Thrust Roller Bearings r d1 d D D1
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Thrust Roller Bearings r d1 d T r D
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Thrust Roller Bearings r d1 d T r D
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Tapered Roller Thrust Bearings (Sin
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Tapered Roller Thrust Bearings (Sin
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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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