NTN - Large Bearings

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Single Row Cylindrical Roller <strong>Bearings</strong> r1a r1a ra ra da Da da Da Equivalent bearing load dynamic PrFr static PorFr Type N Type NU Abutment and fillet dimensions Mass mm kg d a D a r as r las type NU min max max max (approx.) 694 876 5 5 257 734 926 5 5 221 734 926 5 5 292 774 976 5 5 257 774 976 5 5 332 820 960 4 4 178 824 1,036 5 5 380 832 1,118 6 6 554 870 1,010 4 4 188 874 1,096 5 5 329 874 1,096 5 5 432 1,092 1,368 6 6 855 1,212 1,508 6 6 1,060 1,282 1,598 6 6 975 B-55
Multi-Row Cylindrical Roller <strong>Bearings</strong> B r B r r r D d FW d D Ew d d d 100180mm 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 1 100 105 110 120 130 140 150 160 170 140 40 1.1 131 260 13,300 26,500 NNU4920 NNU4920K NN4920 NN4920K 150 37 1.5 153 256 15,600 26,100 NN3020 NN3020K 145 40 1.1 133 268 13,500 27,400 NNU4921 NNU4921K NN4921 NN4921K 160 41 2 198 320 20,200 33,000 NN3021 NN3021K 150 30 1.1 107 206 10,900 21,000 NN3922 150 40 1.1 137 284 14,000 28,900 NNU4922 NNU4922K NN4922 NN4922K 170 45 2 229 375 23,300 38,000 NNU3022 NNU3022K NN3022 NN3022K 165 45 1.1 183 360 18,700 37,000 NNU4924 NNU4924K NN4924 NN4924K 180 46 2 233 390 23,700 40,000 NNU3024 NN3024 NN3024K 180 37 1.5 169 315 17,300 32,000 NN3926 NN3926K 180 50 1.5 220 440 22,400 45,000 NNU4926 NNU4926K NN4926 NN4926K 200 52 2 284 475 29,000 48,500 NNU3026 NN3026 NN3026K 210 64 2 340 560 35,000 57,000 NN3126 190 37 1.5 175 335 17,800 34,000 NN3928 190 50 1.5 227 470 23,100 48,000 NNU4928 NNU4928K NN4928 NN4928K 210 53 2 298 515 30,500 52,500 NNU3028 NN3028 NN3028K 210 45 2 256 475 26,100 48,500 NN3930 210 60 2 345 690 35,000 70,500 NNU4930 NNU4930K NN4930 NN4930K 225 56 2.1 335 585 34,000 60,000 NNU3030 NN3030 NN3030K 225 75 2.1 435 825 44,500 84,000 NN4030 250 80 2.1 555 900 56,500 92,000 NNU3130 220 45 2 265 505 27,000 51,500 NN3932 NN3932K 220 60 2 355 740 36,500 75,500 NNU4932 NNU4932K NN4932 NN4932K 240 60 2.1 375 660 38,000 67,500 NN3032 NN3032K 230 45 2 268 520 27,400 53,000 NN3934 NN3934K 230 60 2 360 765 37,000 78,000 NNU4934 NNU4934K NN4934 NN4934K 260 67 2.1 440 775 45,000 79,000 NNU3034 NNU3034K NN3034 NN3034K 280 88 2.1 635 1,050 65,000 107,000 NNU3134 NN3134 180 250 52 2 340 665 35,000 67,500 NN3936 NN3936K 250 69 2 460 965 46,500 98,500 NNU4936 NNU4936K NN4936 NN4936K 1 "K" indicates bearings have tapered bore with a taper ratio of 1: 12. 2 Smallest allowable dimension for chamfer dimension r. B-56
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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
Page 53 and 54: Deep Groove Ball Bearings
Page 55 and 56: 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 103: Single Row Cylindrical Roller Beari
Page 107 and 108: 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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NTN - Large Bearings

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