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. Bearing numbers Abutment and Load 1 Constant Axial load factors Mass fillet dimensions center mm mm kg d a D a r as r las min min max max a e Y 1 Y 2 Y o (approx.) M280049D/M280010G2+A 633 786 3.3 6.4 1 0.33 2.03 3.02 1.98 525 T-EE649241D/649310G2+A 636 747 3.3 6.4 79 0.37 1.82 2.71 1.78 210 M280349D/M280310G2+A 648 807 3.3 6.4 –4.5 0.33 2.03 3.02 1.98 585 M281049D/M281010G2+A 675 843 3.3 6.4 6 0.33 2.03 3.02 1.98 641 M281649D/M281610G2+A 699 870 3.3 6.4 6 0.33 2.03 3.02 1.98 711 L281149D/L281110G2+A 684 777 3.3 6.4 89 0.37 1.80 2.69 1.76 195 LM281849D/LM281810G2+A 714 852 3.3 6.4 31.5 0.33 2.03 3.02 1.98 459 EE655271D/655345G2+A 717 831 3.3 6.4 129 0.42 1.61 2.4.0 1.58 247 LM282549D/LM282510G2+A 741 879 3.3 6.4 33 0.33 2.03 3.02 1.98 490 EE755281D/755360G2+A 744 873 3.3 6.4 127 0.38 1.77 2.64 1.73 243 LM283649D/LM283610G2+A 786 936 3.3 6.4 34.5 0.33 2.03 3.02 1.98 606 M284148D/M284111G2+A 819 996 special chamfer 12.7 14 0.33 2.03 3.02 1.98 968 M284249D/M284210G2+A 810 1,005 4.8 12.7 0 0.33 2.03 3.02 1.98 1,097 LM286249D/LM286210G2+A 906 1,065 4.8 12.7 49.5 0.33 2.03 3.02 1.98 848 EE547341D/547480G2+A 918 1,135 4.8 12.7 1.5 0.33 2.03 3.02 1.98 1,552 LM287649D/LM287610G2+A 990 1,190 4.8 12.7 30.5 0.33 2.03 3.02 1.98 1,444 LM287849D/LM287810G2+A 999 1,240 4.8 12.7 3.5 0.33 2.03 3.02 1.98 1,540 1 "" means the load center is out side the inner ring. B-169
Double Row Steep Slope Tapered Roller <strong>Bearings</strong> (Outside Direction) B1 C r1 r D d a d 100533.400mm Boundary dimensions Basic load ratings Bearing dynamic static dynamic static numbers mm kN kgf d D B 1 C r s min 1 r ls min 1 C r C or C r C or 100 105 110 115 125 128 130 140 155 230 260 305 317.500 370 533.400 215 115 74 3 1 510 680 52,000 69,500 CRI-2054 240 110 75 3 1 585 790 60,000 80,500 CRI-2105 240 118 81 3 1 585 790 60,000 80,500 CRI-2262 240 119 74 3 1 585 790 60,000 80,500 CRI-2252 230 116 84 3 1.5 680 1,100 69,000 112,000 CRI-2301 230 116 84 3 2 735 1,240 75,000 127,000 CRI-2554 229 116 74 3 1 525 830 53,500 84,500 CRI-2663 280 137 93.5 4 1.5 835 1,170 85,500 120,000 CRI-2618 299 137 87.5 4 1.5 895 1,420 91,500 145,000 CRI-2624 260 120 84 3 1.5 735 1,210 75,000 123,000 CRI-2826 330 180 120 5 1.5 1,350 2,210 137,000 226,000 CRI-3101 380 175 115 4 1.5 1,410 2,970 144,000 305,000 CRI-4613 530 275 163.9 6 2.5 2,880 5,200 293,000 530,000 CRI-5215 560 223 130 5 2.5 2,530 4,700 258,000 480,000 CRI-6108 558.800 254.000 162.000 5 2 3,000 5,900 310,000 600,000 CRI-6412 680 280 188 7.5 4 4,300 8,400 440,000 855,000 CRI-7402 736.600 225.425 177.800 6.4 1.5 3,300 9,250 340,000 940,000 CRI-10702 1 Minimum allowable dimension for chamfer dimension r or r1. Remarks: 1. The marked "" bearings are inch system sizes. 2. Bearing numbers marked "" designate bearing with hollow rollers and pin type cages. B-170
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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 167 and 168: Single Row Tapered Roller Bearings
Page 173 and 174: Double Row Tapered Roller Bearings
Page 217: Double Row Tapered Roller Bearings
Page 221 and 222: 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
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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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