ZWA
Single-row
Cylindrical Roller Bearing
BORE 280-300mm
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 280-300mm | |||||||||||||||||||||
| 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 | |||||||||||||||
| 280 | 420 | 65 | 660 | 1060 | NU1056MA | 1400 | 1700 | 31.5 | - | 369 | 316 | 4 | 4 | 8.8 | 296 | 311 | 320 | 404 | - | 3 | 3 |
| 280 | 420 | 65/82 | 660 | 1060 | 312961(NUBZ/CN) | 1400 | 1700 | - | 369 | 316 | 4 | 4 | 26 | 296 | 316 | 320 | 404 | - | 3 | 3 | |
| 280 | 420 | 82 | 1230 | 2160 | NU2056ECMA | 1100 | 1400 | 40.0 | - | 377 | 314 | 4 | 4 | 3.4 | 296 | 310 | 318 | 404 | - | 3 | 3 |
| 280 | 500 | 80 | 1140 | 1700 | NU256MA | 1100 | 1400 | 71.5 | - | 417 | 340 | 5 | 5 | 3.8 | 300 | 333 | 344 | 480 | - | 4 | 4 |
| 280 | 500 | 80 | 1140 | 1700 | NJ256MA | 1100 | 1400 | 73.0 | - | 417 | 340 | 5 | 5 | 3.8 | 300 | 333 | 364 | 480 | - | 4 | 4 |
| 280 | 500 | 130 | 2200 | 3250 | NU2256ECMA/VE900 | 950 | 1200 | 115 | - | 433 | 327 | 5 | 5 | 10.2 | 300 | 320 | 331 | 480 | - | 4 | 4 |
| 280 | 580 | 175 | 2700 | 4300 | NU2356MA | 850 | 1000 | 230 | - | 467 | 362 | 6 | 6 | 6.6 | 306 | 347 | 366 | 554 | - | 5 | 5 |
| 284.900 | 474.900 | 152.400 | 2240 | 4400 | 475620(NU/C3) | 950 | 1200 | 120 | - | 413 | 331.8 | 4 | 4 | 5 | 301 | 327 | 336 | 459 | - | 3 | 3 |
| 287.600 | 474.900 | 152.400 | 2240 | 4400 | 475620(NU/C3) | 950 | 1200 | 120 | - | 413 | 331.8 | 4 | 4 | 5 | 301 | 327 | 336 | 459 | - | 3 | 3 |
| 300 | 440 | 72 | 1080 | 1730 | BC1B463551(NF/C5) | 1000 | 1300 | 42.0 | 339 | 396 | 410 | 6.4 | 6.4 | 3.2 | 313 | 392 | - | 414 | 419 | 6 | 6 |
| 300 | 380 | 38 | 358 | 680 | NU1860ECMA/VE900 | 1400 | 1700 | 10.5 | - | 354 | 321 | 2.1 | 1.5 | 4.6 | 308 | 317 | 325 | 369 | - | 2 | 1.5 |
| 300 | 380 | 48 | 473 | 980 | NU2860ECM/VE900 | 1400 | 1700 | 13.5 | - | 356 | 321 | 2.1 | 1.5 | 8.5 | 308 | 318 | 325 | 369 | - | 2 | 1.5 |
| 300 | 380 | 48 | 473 | 980 | NJ2860ECM/VE900 | 1400 | 1700 | 14.0 | 326 | 356 | 321 | 2.1 | 1.5 | 8.5 | 308 | 318 | 332 | 369 | - | 2 | 1.5 |
| 300 | 460 | 74 | 858 | 1370 | NU1060MA | 1200 | 1500 | 44.0 | - | 402 | 340 | 4 | 4 | 6 | 316 | 335 | 344 | 444 | - | 3 | 3 |
| 300 | 460 | 74 | 858 | 1370 | NJ1060MA | 1200 | 1500 | 44.0 | 356 | 402 | 340 | 4 | 4 | 6 | 316 | 335 | 344 | 444 | - | 3 | 3 |
| 300 | 460 | 95 | 1510 | 2750 | NU2060ECMA | 1000 | 1300 | 59.5 | - | 410 | 341 | 4 | 4 | 4.1 | 316 | 336 | 345 | 444 | - | 3 | 3 |
| 300 | 460 | 118 | 1650 | 3050 | N3060K/VA701 | 1000 | 1300 | 72.0 | 356 | - | 425 | 1.5 | 4 | 10.7 | 316 | 420 | - | 444 | 429 | 1.5 | 4 |
| 300 | 540 | 85 | 1420 | 2120 | NU260MA | 1000 | 1300 | 89.5 | - | 451 | 364 | 5 | 5 | 4.8 | 320 | 358 | 368 | 520 | - | 4 | 4 |
| 300 | 540 | 85 | 1420 | 2120 | NUP260MA | 1000 | 1300 | 90.0 | 386 | 451 | 364 | 5 | 5 | - | 320 | - | - | 520 | - | 4 | 4 |
| 300 | 540 | 140 | 2090 | 3450 | NU2260MP | 950 | 1200 | 145 | - | 451 | 364 | 5 | 5 | 5.6 | 320 | 352 | 368 | 520 | - | 4 | 4 |
| 300 | 540 | 140 | 2090 | 3450 | NU2260MA | 950 | 1200 | 145 | - | 451 | 364 | 5 | 5 | 5.6 | 320 | 352 | 368 | 520 | - | 4 | 4 |
| 300 | 620 | 185 | 4020 | 5850 | NU2360ECMA | 800 | 950 | 270 | - | 535 | 371 | 7.5 | 7.5 | 11 | 336 | 365 | 375 | 584 | - | 6 | 6 |
