NTN - Large Bearings

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Double Row Tapered Roller <strong>Bearings</strong> (Inside Direction) Sa Da r1a ra 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. Abutment and fillet dimensions Load 2 Constant Axial load factors Mass center mm mm kg d a D a S a r as r las max max min min max max a e Y 1 Y 2 Y o (approx.) 460 598 570 20 4 5 48.5 0.37 1.80 2.69 1.76 154 465 672 625 25 5 5 60 0.40 1.68 2.50 1.64 346 489.5 699 609 6.2 6 6 – 67 0.37 1.80 2.69 1.76 780 480 622 600 20 5 5 53.5 0.37 1.80 2.69 1.76 177 485 692 645 25 5 5 44 0.40 1.68 2.50 1.64 361 503.5 702 632 10 5 5 – 24.5 0.33 2.03 3.02 1.98 513 500.5 684 619.5 15.5 3 6 – 8 0.43 1.57 2.34 1.53 483 537 794.5 690.5 19.5 6 6 – 29 0.40 1.68 2.50 1.64 890 500 652 620 25 5 5 56.5 0.37 1.80 2.69 1.76 201 525 724 660 25 6 6 34.5 0.40 1.68 2.50 1.64 431 547 832 709.5 19.5 5 5 – 43 0.40 1.68 2.50 1.64 1,120 520 672 640 25 5 5 63 0.37 1.80 2.69 1.76 211 547.5 754 688.5 30 6 6 36 0.40 1.68 2.50 1.64 478 500 577 557 6.5 3.3 6.4 133.5 0.61 1.11 1.66 1.09 108 500 577 557 6.5 3.3 6.4 133.5 0.61 1.11 1.66 1.09 108 504 585 567.5 6.5 3.3 6.4 35.5 0.33 2.03 3.02 1.98 121 536 648 609 7.5 2 4 75.5 0.40 1.68 2.50 1.64 148 540 692 655 25 5 5 61.5 0.37 1.80 2.69 1.76 221 583.5 776 709 7.5 8 8 44 0.40 1.68 2.50 1.64 535 550 794 740 30 6 6 37.5 0.40 1.68 2.50 1.64 570 620 792 738 11 5 5 54.5 0.35 1.92 2.86 1.88 347 622.5 743.5 698 10.5 3.3 6.4 31.5 0.35 1.95 2.90 1.91 285 639 742 708 5 3 3 110.5 0.37 1.80 2.69 1.76 120 641 834 747 7.5 3 6 5.5 0.47 1.43 2.12 1.40 758 399 884 825.5 8.5 6 6 93.5 0.40 1.68 2.50 1.64 479 B-159
Double Row Tapered Roller <strong>Bearings</strong> (Inside Direction) Metric system sizes C1 r r1 B D d a d 660.41,400mm Boundary dimensions Basic load ratings Bearing numbers dynamic static dynamic static mm kN kgf d D B C 1 r s min 1 r ls min 1 C r C or C r C or 660.400 700 710 850 1,400 762.000 98.425 101.600 3 2.5 1,250 4,250 128,000 435,000 CRD-13209 890 150 160 5 5 2,850 8,600 291,000 880,000 CRD-14003 1,150 345 345 12 12 10,900 25,300 1,120,000 2,580,000 3231/710BG2 1,250 370 370 7.5 7.5 11,800 31,500 1,210,000 3,250,000 CRD-17003 1,600 180 180 5 2.5 4,400 16,300 445,000 1,670,000 CRD-28003 1 Minimum allowable dimension for chamfer dimension r or r1. 2 "" means the load center is out side the inner ring. Remarks: 1. The marked "" bearings are inch system sizes. 2. Bearing numbers marked "" designate bearing with hollow rollers and pin type cages. B-160
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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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Page 157 and 158: Single Row Tapered Roller Bearings
Page 173 and 174: Double Row Tapered Roller Bearings
Page 207: 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 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 257 and 258: Spherical Roller Bearings B r r D d
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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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NTN - Large Bearings

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