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 209 255 191 269 2 17.4 16.6 244 199 2 8.08 212 244 199 251 2 10.4 9.93 219 265 201 279 2 18.4 18 261 211 2 11.4 225 261 211 269 2 14.7 14 232 282 211 299 2 23.5 21.6 282 211 2 30.2 304 213 2.5 41.8 281 231 2 12.3 245 281 231 289 2 15.9 15.2 254 310 233 327 2.5 31.0 29.3 263.5 331.5 236 354 3 54.4 52.4 265 301 251 309 2 13.8 13.3 265 301 251 309 2 17.2 16.4 274 330 253 347 2.5 33.9 32.8 361 256 3 64.7 336 271 2 22.9 292 336 271 349 2 29.6 28.3 364 276 3 47.4 298 362 276 384 3 66.2 63.8 301 289 341 2 11.7 301 289 341 2 15.6 356 291 2 24.4 312 356 291 369 2 31.6 30.2 384 296 3 51.1 391 313 2.5 38.4 339 391 313 407 2.5 48.6 46.4 346 418 316 444 3 73.4 70.8 418 316 3 96 344 331 389 2 23.6 B-59
Multi-Row Cylindrical Roller <strong>Bearings</strong> B r B r r r D d FW d D Ew d d d 320500mm 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 1 320 340 360 380 400 420 440 460 480 440 90 3 975 2,180 99,000 222,000 NN3964 NN3964K 440 118 3 1,240 2,970 126,000 305,000 NNU4964 NNU4964K NN4964 NN4964K 480 121 4 1,350 2,670 138,000 272,000 NNU3064 NN3064 NN3064K 540 176 5 2,160 3,950 220,000 400,000 NNU3164 460 118 3 1,280 3,150 131,000 320,000 NNU4968 NNU4968K NN4968 NN4968K 520 133 5 1,620 3,200 165,000 325,000 NNU3068 NN3068 NN3068K 480 90 3 1,030 2,430 105,000 248,000 NN3972 480 118 3 1,290 3,250 131,000 330,000 NNU4972 NNU4972K 540 134 5 1,650 3,300 169,000 340,000 NNU3072 NN3072 NN3072K 540 180 5 2,470 5,550 252,000 570,000 NNU4072 520 140 4 1,630 4,050 167,000 415,000 NNU4976 NNU4976K 560 135 5 1,690 3,450 172,000 355,000 NNU3076 NN3076 NN3076K 500 100 2.1 1,070 2,950 109,000 300,000 NNU4880 540 140 4 1,690 4,300 172,000 435,000 NNU4980 NNU4980K 600 148 5 2,040 4,150 208,000 420,000 NN3080 NN3080K 560 106 4 1,370 3,350 140,000 340,000 NN3984 560 140 4 1,740 4,500 177,000 460,000 NNU4984 NNU4984K 620 150 5 2,080 4,300 212,000 440,000 NN3084 NN3084K 700 224 6 3,400 6,400 345,000 650,000 NNU3184 600 160 4 2,150 5,550 219,000 565,000 NNU4988 NNU4988K 650 157 6 2,420 5,100 247,000 520,000 NNU3088 NN3088 NN3088K 650 212 6 3,250 7,750 330,000 790,000 NNU4088 620 160 4 2,220 5,850 226,000 595,000 NNU4992 NNU4992K 680 163 6 2,550 5,350 260,000 545,000 NN3092 NN3092K 600 90 3 1,010 2,570 103,000 262,000 NN3896 650 170 5 2,280 5,900 233,000 600,000 NNU4996 NNU4996K 790 248 7.5 4,100 8,100 420,000 825,000 NN3196 500 620 90 3 1,140 2,880 116,000 293,000 NNU38/500 670 170 5 2,360 6,200 240,000 635,000 NNU49/500 NNU49/500K 720 167 6 2,650 5,750 270,000 590,000 NN30/500 1 "K" indicates bearings have tapered bore with a taper ratio of 1: 12. 2 Smallest allowable dimension for chamfer dimension r. B-60
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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
Page 57 and 58: 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: Multi-Row Cylindrical Roller Bearin
Page 111 and 112: 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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