Ball and Roller Bearings - Ntn-snr.com

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NTN Ball and Roller Bearings
TECHNICAL DATA CONTENTS 1. Classification and Characteristics of Rolling Bearings A-5 1.1 Rolling bearing construction A-5 1.2 Classification of rolling bearings A-5 1.3 Characteristics of rolling bearings A-9 2. Bearing Selection A-10 2.1 Bearing selection flow chart A-10 2.2 Type and character is tics A-12 2.3 Selection of bearing arrangement A-13 3. Load Rating and Life A-15 3.1 Bearing lifeA-15 3.2 Basic rated life and basic dynamic load rating A-15 3.3 Machine applications and requisite life A-16 3.4 Adjusted life rating factorA-16 3.5 Basic static load ratingA-17 3.6 Allowable static equivalent load A-18 4.6 Bearing rated life and load calculation examples A-26 5. Boundary Dimensions and Bearing Number Codes A-28 5.1 Boundary dimensions A-28 5.2 Bearing numbers A-29 6. Bearing Tolerances A-33 6.1 Dimensional accuracy and running accuracy A-33 6.2 Chamfer measurements and tolerance or allowable values of tapered hole A-44 6.3 Bearing tolerance measurement methods A-46 7. Bearing Fits A-47 7.1 Interference A-47 7.2 The necessity of a proper fit A-47 7.3 Fit selection A-47 4. Bearing Load Calculation A-19 4.1 Loads acting on shaftsA-19 4.2 Bearing load distribution A-21 4.3 Mean load A-22 4.4 Equivalent load A-23 4.5 Allowable axial load for cylindrical roller bearings A-25 8. Bearing Internal Clearance and Preload A-56 8.1 Bearing internal clearance A-56 8.2 Internal clearance selection A-56 8.3 Preload A-64 A-2
Page 1 and 2: For New Technology Network R corpor
Page 3: Warranty NTN warrants, to the origi
Page 7 and 8: Classification and Characteristics
Page 13 and 14: Bearing Selection Select bearing’
Page 15 and 16: Bearing Selection 2.3 Selection of
Page 17 and 18: Load Rating and Life 3. Load Rating
Page 19 and 20: Load Rating and Life where, Lna : A
Page 21 and 22: Bearing Load Calculation 4. Bearing
Page 23 and 24: Bearing Load Calculation 4.1.2 Chai
Page 25 and 26: Bearing Load Calculation 4.4 Equiva
Page 27 and 28: Bearing Load Calculation 4.5 Allowa
Page 29 and 30: Bearing Load Calculation Fr2 70 K
Page 31 and 32: Boundary Dimensions and Bearing Num
Page 33: Boundary Dimensions and Bearing Num
Page 36 and 37: Bearing Tolerances Table 6.3 Tolera
Page 46 and 47: Bearing Tolerances 6.2 Chamfer meas
Page 48 and 49: Bearing Tolerances 6.3 Bearing tole
Page 50 and 51: Bearing Fits 7.3.2 Recommended Fits
Page 52 and 53: Bearing Fits Table 7.2 (3) Housing
Page 54 and 55:
Bearing Fits Table 7.5 Numeric valu
Page 56 and 57:
Bearing Fits Table 7.6 Fits for inc
Page 58 and 59:
Bearing Internal Clearance and Prel
Page 60 and 61:
Page 62 and 63:
Page 64 and 65:
Page 66 and 67:
Page 68 and 69:
Page 70 and 71:
Allowable Speed 9. Allowable Speed
Page 72 and 73:
Lubrication 11. Lubrication 11.1 Lu
Page 74 and 75:
Lubrication (1) Base oil Natural mi
Page 76 and 77:
Lubrication 11.4 Solid grease (For
Page 78 and 79:
Lubrication Bearing operating Lubri
Page 80 and 81:
External bearing sealing devices 12
Page 82 and 83:
External bearing sealing devices Ty
Page 84 and 85:
Bearing Materials 13.2 Cage materia
Page 86 and 87:
Shaft and Housing Design 14.2 Beari
Page 88 and 89:
Bearing Handling 15. Bearing Handli
Page 90 and 91:
Bearing Handling a) Installation on
Page 92 and 93:
Bearing Handling 15.4 Post installa
Page 94 and 95:
Bearing Handling Fig. 15.24 shows t
Page 96 and 97:
Bearing Damage and Corrective Measu
Page 98 and 99:
Technical Data Axial displacement m
Page 100 and 101:
Technical Data 17.4 Fitting surface
Page 102 and 103:
A-100
Page 104 and 105:
INDEX OF BEARING TABLES Deep Groove
Page 107 and 108:
Deep Groove Ball Bearings Open type
Page 109 and 110:
Deep Groove Ball Bearings bearing i
Page 111 and 112:
Deep Groove Ball Bearings D D1 rN r
Page 113 and 114:
Page 115 and 116:
Page 117 and 118:
Page 119 and 120:
Page 121 and 122:
Page 123 and 124:
Deep Groove Ball Bearings Equivalen
Page 125 and 126:
Page 127 and 128:
Page 129:
Expansion Compensating Bearings Da
Page 132 and 133:
Miniature and Extra Small Bearings
Page 134 and 135:
Miniature and Extra Small Ball Bear
Page 136 and 137:
Page 138 and 139:
Page 140 and 141:
Page 143 and 144:
Angular Contact Ball Bearings Angul
Page 145 and 146:
Angular Contact Ball Bearings 2. St
Page 147 and 148:
Single and Duplex Arrangements Db r
Page 149 and 150:
Page 151 and 152:
Page 153 and 154:
Page 155 and 156:
Page 157 and 158:
Page 159 and 160:
High Speed Single and Duplex Arrang
Page 161 and 162:
Page 163 and 164:
Page 165 and 166:
Page 167 and 168:
Ultra-High Speed Angular Contact Ba
Page 169 and 170:
B-67
Page 171 and 172:
Ceramic Ball Angular Contact Ball B
Page 173 and 174:
Four-Point Contact Ball Bearings QJ
Page 175 and 176:
Double Row Angular Contact Ball Bea
Page 177:
Double Row Angular Contact Ball Bea
Page 180 and 181:
Self-Aligning Ball Bearings B r ra
Page 182 and 183:
Page 184 and 185:
Page 186 and 187:
Adapters (for self-aligning ball be
Page 188 and 189:
Adapters (for self-aligning ball be
Page 191 and 192:
Cylindrical Roller Bearings Cylindr
Page 193 and 194:
Cylindrical Roller Bearings 2. Stan
Page 195 and 196:
Cylindrical Roller Bearings ra r1a
Page 197 and 198:
Page 199 and 200:
Page 201 and 202:
Page 203 and 204:
Page 205 and 206:
Page 207 and 208:
Page 209 and 210:
Page 211 and 212:
Page 213 and 214:
L Type Loose Rib B2 B2 r1 r1 B1 d d
Page 215 and 216:
L Type Loose Rib B2 B2 r1 r1 B1 d d
Page 217 and 218:
Multi-Row Cylindrical Roller Bearin
Page 219 and 220:
Page 221 and 222:
Page 223 and 224:
Four-Row Cylindrical Roller Bearing
Page 225 and 226:
Page 227 and 228:
Page 229 and 230:
Page 231:
Page 234 and 235:
Tapered Roller Bearings Table 1 (co
Page 236 and 237:
Tapered Roller Bearings Inch Tapere
Page 238 and 239:
Tapered Roller Bearings Inch Tapere
Page 240 and 241:
Tapered Roller Bearings Metric syst
Page 242 and 243:
Page 244 and 245:
Page 246 and 247:
Page 248 and 249:
Page 250 and 251:
Page 252 and 253:
Page 254 and 255:
Page 256 and 257:
Page 258 and 259:
Tapered Roller Bearings Inch system
Page 260 and 261:
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Page 266 and 267:
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Page 280 and 281:
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Page 296 and 297:
Multi-Row Tapered Roller Bearings O
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Page 308 and 309:
Page 310 and 311:
Multi-Row Tapered Roller Bearings I
Page 312 and 313:
Multi-Row Tapered Roller Bearings I
Page 314 and 315:
Four Row Tapered Roller Bearings C2
Page 316 and 317:
Page 318 and 319:
Page 320 and 321:
Page 322 and 323:
Page 324 and 325:
Page 326 and 327:
Page 328 and 329:
Page 331 and 332:
Spherical Roller Bearings 1. Types,
Page 333 and 334:
Spherical Roller Bearings 5. Adapte
Page 335 and 336:
Spherical Roller Bearings ra Da ra
Page 337 and 338:
Page 339 and 340:
Page 341 and 342:
Page 343 and 344:
Page 345 and 346:
Page 347 and 348:
Page 349 and 350:
Page 351 and 352:
Page 353 and 354:
Page 355 and 356:
Adapter (For spherical roller beari
Page 357 and 358:
Adapter (For spherical roller beari
Page 359 and 360:
Withdrawal Sleeves (For spherical r
Page 361 and 362:
Page 363 and 364:
Page 365 and 366:
Page 367 and 368:
Double Row Angular Contact Thrust B
Page 369 and 370:
Double Row Angular Contact Thrust B
Page 371 and 372:
High Speed Duplex Angular Contact T
Page 373 and 374:
High Speed Duplex Angular Contact T
Page 375 and 376:
Self-Aligning Roller Thrust Bearing
Page 377 and 378:
Page 379 and 380:
Page 381 and 382:
Locknuts, Lockwashers & Lockplates
Page 383 and 384:
Locknuts Reference withdrawal sleev
Page 385 and 386:
Locknuts Reference bore no. 3 locko
Page 387 and 388:
Nuts Reference withdrawal sleeve no
Page 390 and 391:
Lockwashers Series AW ƒ r2 B2 ƒ1
Page 392 and 393:
Lockwashers Series AWL ƒ r2 B2 ƒ
Page 394 and 395:
Catalog List & Appendix Table
Page 396 and 397:
Catalog List CATALOG TITLES CATALOG
Page 398:
Appendix Table SI-customary unit co
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