zwa
Single-row
Cylindrical Roller Bearing
bore 260-280mm
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.
The products include
| Single-row Cylindrical Roller Bearing | |||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| d 260-280mm | |||||||||||||||||||||
| 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 | |||||||||||||||
| 260 | 360 | 46 | 473 | 815 | NU1952ECMP | 1600 | 1900 | 15.0 | - | 328 | 286 | 1.5 | 2.1 | 1 | 271 | 282 | 290 | 349 | - | 2 | 2 |
| 260 | 360 | 46 | 473 | 815 | N1952ECMB/VE900 | 1600 | 1900 | 14.5 | 296 | - | 338 | 2.1 | 1.5 | 1.7 | 271 | 334 | - | 352 | 342 | 2 | 2 |
| 260 | 400 | 65 | 627 | 965 | NU1052MA | 1500 | 1800 | 29.5 | - | 349 | 296 | 4 | 4 | 8.8 | 276 | 291 | 300 | 384 | - | 3 | 3 |
| 260 | 400 | 82 | 1190 | 2080 | NU2052ECMA | 1200 | 1500 | 39.0 | - | 357 | 294 | 4 | 4 | 3.4 | 276 | 290 | 298 | 384 | - | 3 | 3 |
| 260 | 400 | 104 | 1320 | 2360 | NU3052ECMA | 1200 | 1500 | 48.0 | - | 358 | 294 | 4 | 4 | 5.7 | 276 | 290 | 298 | 384 | - | 3 | 3 |
| 260 | 400 | 104 | 1230 | 2200 | N3052K/VA701 | 1200 | 1500 | 49.5 | 310 | - | 369 | 1.5 | 4 | 10.2 | 276 | 365 | - | 384 | 370 | - | 3 |
| 260 | 440 | 144 | 2090 | 3450 | NU3152EMA/HB1VE900 | 1000 | 1300 | 98.0 | - | 382 | 298.5 | 4 | 4 | 8 | 276 | 293 | 302 | 424 | - | 3 | 3 |
| 260 | 480 | 80 | 1170 | 1700 | NU252MA | 1100 | 1400 | 68.5 | - | 397 | 320 | 5 | 5 | 3.4 | 280 | 313 | 324 | 460 | - | 4 | 4 |
| 260 | 480 | 80 | 1170 | 1700 | NJ252MA | 1100 | 1400 | 70.0 | 340 | 397 | 320 | 5 | 5 | 3.4 | 280 | 313 | 344 | 460 | - | 4 | 4 |
| 260 | 480 | 80 | 1170 | 1700 | NUP252MA | 1100 | 1400 | 72.0 | 340 | 397 | 320 | 5 | 5 | - | 280 | - | 344 | 460 | - | 4 | 4 |
| 260 | 480 | 80 | 1170 | 1700 | N252MB | 1100 | 1400 | 68.0 | 340 | - | 420 | 5 | 5 | 3.4 | 280 | 416 | - | 460 | 427 | 4 | 4 |
| 260 | 480 | 130 | 1790 | 3000 | NU2252MA | 1000 | 1300 | 110 | - | 397 | 320 | 5 | 5 | 4.3 | 280 | 309 | 324 | 460 | - | 4 | 4 |
| 260 | 480 | 130 | 1790 | 3000 | NJ252MA | 1000 | 1300 | 112 | 340 | 397 | 320 | 5 | 5 | 4.3 | 280 | 309 | 324 | 460 | - | 4 | 4 |
| 260 | 480 | 130 | 1790 | 3000 | N2252MB | 1000 | 1300 | 110 | 340 | 397 | 420 | 5 | 5 | 4.3 | 280 | 416 | - | 460 | 427 | 4 | 4 |
| 260 | 480 | 158.750 | 2860 | 4500 | TNU9252 | 950 | 1200 | 135 | - | 419 | 311 | 5 | 5 | 3 | 280 | 305 | 315 | 460 | - | 4 | 4 |
| 260 | 480 | 158.750 | 2860 | 4500 | TN9252 | 950 | 1200 | 130 | 335 | - | 411 | 5 | 5 | 3 | 280 | 407 | - | 460 | 445 | 5 | 5 |
| 260 | 540 | 102 | 1940 | 2700 | NU352ECMA | 900 | 1100 | 120 | - | 455 | 337 | 6 | 6 | 4.2 | 286 | 330 | 341 | 514 | - | 5 | 5 |
| 260 | 540 | 165 | 3190 | 4500 | NU2352ECMA | 900 | 1100 | 190 | - | 463 | 319 | 6 | 6 | 1.8 | 286 | 310 | 323 | 514 | - | 5 | 5 |
| 280 | 350 | 42 | 369 | 750 | NJ2856ECMA/VE900 | 1600 | 1900 | 9.60 | 304 | 327 | 298 | 2 | 1.1 | 1.3 | 289 | 294 | 308 | 341 | - | 2 | 2 |
| 280 | 360 | 38 | 380 | 710 | BC1B246314(N/CN) | 1500 | 1800 | 9.60 | 308 | - | 344 | 4 | 2 | 3.5 | 296 | 340 | - | 350 | 346 | 3 | 3 |
| 280 | 360 | 38 | 369 | 670 | BC1B246314A(N/CN) | 1500 | 1800 | 9.90 | 308 | - | 344 | 4 | 2 | 3.5 | 296 | 340 | - | 350 | 346 | 3 | 3 |
| 280 | 380 | 46 | 457 | 780 | 440535(NU/C3R) | 1500 | 1800 | 13.2 | - | 358 | 306 | 1.5 | 2.1 | 1.5 | 288 | 300 | 310 | 369 | - | 1.5 | 2 |
| 280 | 380 | 46 | 523 | 880 | N1956ECM | 1500 | 1800 | 15.5 | 312 | 352 | 358 | 2.1 | 2.1 | 3.7 | 291 | 354 | - | 369 | 362 | 2 | 2 |
| 280 | 380 | 60 | 765 | 1400 | NU2956ECMA/VE900 | 1500 | 1800 | 20.5 | 304.7 | 2.1 | 2.1 | 5 | 291 | 303 | 309 | 369 | - | 2 | 2 | ||
