The roller and raceway surface of cylindrical roller bearing is line contact, so the bearing can bear high load capacity and suitable for high-speed working condition. ZWA’s cylindrical roller bearings can be divided into three types, including single-row, double-row and four-row.
Single-row Cylindrical Roller Bearing | |||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
d 220-240mm | |||||||||||||||||||||
Basic Size | Basic load rating | Code | Limiting Speed | Mass | Dimensions | Abutment and chamfer dimensions | |||||||||||||||
d | D | B | dynamic | static | grease | oil | d1≈ | D1≈ | F,E | r1.2min | r3.4min | S1) | damin | damax | dbmin | Damax | Damin | ramax | rbmax | ||
C | Co | ||||||||||||||||||||
mm | kN | - | r/min | kg | mm | mm | |||||||||||||||
220 | 460 | 88 | 1210 | 1630 | NU344M | 1200 | 1500 | 72.5 | - | 371 | 284 | 5 | 5 | 5.2 | 240 | 277 | 288 | 440 | - | 4 | 4 |
220 | 460 | 88 | 1210 | 1630 | NJ344M | 1200 | 1500 | 73.5 | 307 | 371 | 284 | 5 | 5 | 5.2 | 240 | 277 | 311 | 440 | - | 4 | 4 |
220 | 460 | 145 | 2330 | 3250 | NU2344ECMP | 1000 | 1300 | 120 | - | 384 | 277 | 5 | 5 | 10.4 | 240 | 268 | 280 | 440 | - | 4 | 4 |
220 | 460 | 145 | 1790 | 2700 | NU2344MA | 1000 | 1300 | 125 | - | 371 | 284 | 5 | 5 | 6.8 | 240 | 272 | 288 | 440 | - | 4 | 4 |
220 | 460 | 145 | 1790 | 2700 | NUP2344MA | 1000 | 1300 | 130 | 307 | 371 | 284 | 5 | 5 | - | 240 | - | 311 | 440 | - | 4 | 4 |
240 | 320 | 48 | 358 | 670 | NU2948M2P | 1800 | 2200 | 11.5 | - | 291 | 261 | 2.1 | 2.1 | 3.8 | 251 | 258 | 264 | 309 | - | 2 | 2 |
240 | 360 | 56 | 523 | 800 | NU1048MA | 1700 | 2000 | 20.0 | - | 317 | 270 | 3 | 3 | 7.5 | 253 | 266 | 274 | 347 | - | 2.5 | 2.5 |
240 | 360 | 72 | 897 | 1560 | NU2048ECMA | 1400 | 1700 | 26.5 | - | 323 | 270 | 3 | 3 | 3.2 | 253 | 266 | 274 | 347 | - | 2.5 | 2.5 |
240 | 360 | 92 | 1020 | 1860 | N3048EMB6/W33VE900 | 1400 | 1700 | 33.5 | 282 | - | 334 | 3 | 3 | 5.8 | 253 | 330 | - | 347 | 338 | 2.5 | 2.5 |
240 | 360 | 92 | 990 | 1830 | N3048K/VA701 | 1400 | 1700 | 33.5 | 283 | - | 332 | 1.1 | 3 | 8 | 253 | 328 | - | 347 | 336 | 1 | 2.5 |
240 | 390 | 107.950 | 1650 | 2650 | TNU/05048 | 1100 | 1400 | 50.0 | - | 349 | 270 | 3 | 3 | 6.4 | 253 | 268 | 274 | 377 | - | 2.5 | 2.5 |
240 | 400 | 128 | 1470 | 2450 | N3148K/VA701 | 1100 | 1400 | 63.5 | 297 | - | 365 | 1.1 | 3 | 13.5 | 253 | 361 | - | 387 | 372 | 1 | 2.5 |
240 | 440 | 72 | 952 | 1370 | NU248MA | 1300 | 1600 | 51.5 | - | 365 | 295 | 4 | 4 | 3.4 | 256 | 288 | 299 | 424 | - | 3 | 3 |
240 | 440 | 72 | 952 | 1370 | NJ248MA | 1300 | 1600 | 52.5 | 313 | 365 | 295 | 4 | 4 | 3.4 | 256 | 288 | 317 | 424 | - | 3 | 3 |
240 | 440 | 72 | 952 | 1370 | NUP248MA | 1300 | 1600 | 53.5 | 313 | 365 | 295 | 4 | 4 | - | 256 | - | 317 | 424 | - | 3 | 3 |
240 | 440 | 72 | 952 | 1370 | N248MP | 1300 | 1600 | 50.0 | 313 | - | 385 | 4 | 4 | 3.4 | 256 | 381 | - | 424 | 336 | 3 | 3 |
240 | 440 | 120 | 1450 | 2360 | NU2248MA | 1200 | 1500 | 84.0 | - | 365 | 295 | 4 | 4 | 4.3 | 256 | 284 | 299 | 424 | - | 3 | 3 |
240 | 440 | 120 | 1570 | 2500 | 313221(NU/C3) | 1200 | 1500 | 84.0 | - | 365 | 292 | 4 | 4 | 11.3 | 256 | 286 | 296 | 424 | - | 3 | 3 |
240 | 440 | 146.050 | 2330 | 3550 | TNU9248VAA | 1200 | 1500 | 102 | - | 385 | 282 | 3 | 3 | 9.1 | 253 | 276 | 286 | 427 | - | 2.5 | 2.5 |
240 | 500 | 95 | 1450 | 2000 | NU348M | 1000 | 1300 | 94.5 | 335 | 403 | 310 | 5 | 5 | 5.6 | 260 | 302 | 314 | 480 | - | 4 | 4 |
240 | 500 | 95 | 1450 | 2000 | NJ348MA | 1000 | 1300 | 98.5 | 335 | 403 | 310 | 5 | 5 | 5.6 | 260 | 302 | 314 | 480 | - | 4 | 4 |
240 | 500 | 155 | 2120 | 3250 | NU2348MA | 950 | 1200 | 155 | 335 | 403 | 310 | 5 | 5 | 6.4 | 260 | 296 | 314 | 480 | - | 4 | 4 |