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.) 166 304 3 3 25.3 166 304 3 3 28.4 166 304 3 3 40.6 166 304 3 3 47.2 166.5 211 2 1 3.35 166.5 211 2 1 4.3 168 229 2 1.5 5.9 171 259 2 2 20.6 173 277 2.5 2.5 13.7 173 277 2.5 2.5 15.6 173 277 2.5 2.5 22 173 277 2.5 2.5 25.1 176 324 3 3 31.3 176 324 3 3 34 176 324 3 3 50.5 176 324 3 3 56 176.5 221 2 1 3.52 176.5 221 2 1 4.53 181 249 2 2 7.88 186 294 3 3 17 186 294 3 3 19.6 186 294 3 3 27.2 186 294 3 3 31 186 294 3 3 37.4 186 344 3 3 37 186 344 3 3 59.5 186.5 241 2 1 5.21 186.5 241 2 1 6.63 191 269 2 2 10.3 191 269 2 2 17.8 196 304 3 3 17.7 196 304 3 3 20.4 196 304 3 3 28.4 196 304 3 3 31.9 196 304 3 3 39.6 196 364 3 3 44.2 B-45
Single Row Cylindrical Roller <strong>Bearings</strong> B r r r r1 r r1 r1 r r1 r1 r r r D d FW Type NU Type NJ Type NUP Type N Type NF d 180240mm Boundary dimensions Basic load ratings Bearing Dimensions dynamic static dynamic static numbers mm kN kgf mm type d D B 1 r s min 1 r ls min C r C or C r C or NU F w 180 190 200 220 380 126 4 4 1,380 1,990 141,000 203,000 NU2336 232 380 150 4 4 1,600 2,410 163,000 246,000 NU3336 232 260 42 2 1.1 299 515 30,500 52,500 NU2938 207 290 46 2.1 2.1 350 510 36,000 52,000 NU1038 215 340 55 4 4 555 770 56,500 78,500 NU238 231 340 55 4 4 695 955 71,000 97,500 NU238E 230 340 92 4 4 830 1,290 84,500 131,000 NU2238 231 340 92 4 4 1,100 1,670 113,000 170,000 NU2238E 228 340 120 4 4 1,240 2,160 126,000 220,000 NU3238 231 400 78 5 5 975 1,260 99,500 129,000 NU338 245 400 132 5 5 1,520 2,220 155,000 226,000 NU2338 245 400 155 5 5 1,550 2,280 158,000 233,000 NU3338 245 280 38 2.1 2.1 259 405 26,400 41,500 NU1940 220 280 48 2.1 1.5 365 630 37,000 64,500 NU2940 220 310 51 2.1 2.1 390 580 40,000 59,500 NU1040 229 310 82 2.1 2.1 735 1,240 75,000 127,000 NU3040 227 340 112 3 3 1,130 1,820 115,000 186,000 NU3140A 235 360 58 4 4 620 865 63,500 88,500 NU240 244 360 58 4 4 765 1,060 78,000 108,000 NU240E 243 360 98 4 4 925 1,440 94,000 147,000 NU2240 244 360 98 4 4 1,220 1,870 125,000 191,000 NU2240E 241 360 128 4 4 1,260 2,150 128,000 219,000 NU3240 244 420 80 5 5 975 1,270 99,500 130,000 NU340 260 420 138 5 5 1,510 2,240 154,000 229,000 NU2340 260 420 165 5 5 1,870 2,930 190,000 299,000 NU3340 260 300 48 2.1 1.5 390 705 39,500 72,000 NU2944 240 340 56 3 3 500 750 51,000 76,500 NU1044 250 340 90 3 3 860 1,490 87,500 152,000 NU3044 250 370 120 4 4 1,180 2,090 120,000 213,000 NU3144 262 400 65 4 4 760 1,080 77,500 110,000 NU244 270 400 108 4 4 1,140 1,810 116,000 184,000 NU2244 270 400 144 4 4 1,540 2,680 157,000 273,000 NU3244 270 460 88 5 5 1,190 1,570 122,000 161,000 NU344 284 460 145 5 5 1,780 2,620 181,000 268,000 NU2344 284 240 320 48 2.1 1.5 400 755 41,000 77,000 NU2948 260 1 Minimal allowable dimension for chamfer dimension r or r1. B-46
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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
Page 43 and 44: Lubrication 6.3.2 Base oil Natural
Page 45 and 46: Lubrication 6.5 Oil lubrication Oil
Page 47 and 48: Lubrication Table 6.9 Factor K Expe
Page 49 and 50: MEMO A-46
Page 51 and 52: 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 93: Single Row Cylindrical Roller Beari
Page 105 and 106: 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
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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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