zwa Four-row cylindrical roller bearing
bore 320-370mm
Four row cylindrical roller bearings allow the use of a larger diameter roller neck, in the specified space to provide the maximum bearing capacity of the friction coefficient is small, suitable for large radial load. Because it is a separate type, the inner ring and roll neck interference fit, prevent and roll neck sliding. Machining is easy to obtain high precision, suitable for high speed and heavy load rolling.
Basic Type
The products include
| Four row cylindrical roller bearing | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| d 320-370mm | ||||||||||||||
| Basic Size | Code | Basic load rating | Mass | Other brands and modeis | ||||||||||
| d | D | B | FW | r1.2min | r3.4min | dynamic | static | SKF | FAG | NTN | NSK | KOYO | ||
| C | Co | |||||||||||||
| mm | - | kN | kg | mm | ||||||||||
| 320 | 460 | 340 | 360 | 4 | 4 | FCD6492340 | 3400 | 9450 | 178 | E-4R6412 | ||||
| 320 | 470 | 350 | 357 | 4 | 4 | FCD6494350 | 5200 | 9780 | 225 | 532592 | ||||
| 320 | 480 | 350 | 364 | 4 | 4 | FCD6496350 | 4950 | 10800 | 235 | 314274B | 541851 | |||
| 330 | 430 | 230 | 358 | 4 | 4 | FC6686230 | 1986 | 5644 | 87.4 | |||||
| 330 | 440 | 200 | 360 | 4 | 4 | FC6688200 | 1820 | 4850 | 83.6 | E-4R6603 | ||||
| 330 | 460 | 340 | 365 | 4 | 4 | FCD6692340 | 3650 | 8950 | 175 | 313445C | 543447 | E-4R6605 | 330RV4601 | |
| 330 | 460 | 340 | 364 | 4 | 4 | SFCD6692340 | 3860 | 9150 | 174 | 66FC46340 | ||||
| 340 | 450 | 250 | 364 | 4 | 4 | SFC6890250 | 2400 | 6530 | 108.1 | |||||
| 340 | 450 | 250 | 371 | 4 | 4 | FC6890250 | 2307 | 6585 | 124.4 | 68FC45250BW | ||||
| 340 | 450 | 250 | 368 | 4 | 4 | SFC6890250 | 2750 | 6480 | 106 | |||||
| 340 | 460 | 260 | 370 | 4 | 4 | FC6892260 | 3120 | 8120 | 124.8 | |||||
| 340 | 480 | 280 | 374 | 4 | 4 | FC6896280 | 3120 | 8120 | 159.9 | |||||
| 340 | 480 | 350 | 378 | 4 | 4 | FCD6896350 | 3575 | 10510 | 200.9 | 314485A | 527634 | |||
| 340 | 490 | 300 | 377 | 4 | 4 | FCD6898300 | 3350 | 8300 | 187 | E-4R6804 | ||||
| 340 | 500 | 370 | 385 | 4 | 4 | FCD68100370 | 5230 | 11800 | 260 | BC4B322261/HB1 | 517749 | |||
| 340 | 600 | 380 | 396 | 4 | 4 | FCD68120380 | 6820 | 12900 | 350 | 313404A | 545171 | |||
| 350 | 500 | 380 | 389 | 4 | 4 | FCDP70100380 | 3880 | 10800 | 242.3 | 314563/VJ202 | ||||
| 350 | 500 | 410 | 388 | 4 | 4 | FCDP70100410 | 5830 | 13700 | 285 | BC4B322777/HB1 | 532001 | |||
| 350 | 520 | 300 | 401 | 4 | 4 | FCDP70104300 | 4290 | 9000 | 220 | BC2B319878/VJ202 | ||||
| 360 | 480 | 290 | 392 | 4 | 4 | SFC7296290 | 3470 | 8510 | 145 | 72FC48290 | ||||
| 360 | 480 | 290 | 394 | 4 | 4 | FC7296290 | 2773 | 8075 | 146.2 | |||||
| 360 | 500 | 250 | 394 | 4 | 4 | FC72100250 | 3580 | 7350 | 145 | BC2B320075/VJ202 | ||||
| 360 | 510 | 370 | 399 | 4 | 4 | FCD72102370 | 3756 | 10700 | 263 | |||||
| 360 | 510 | 400 | 397 | 4 | 4 | FCDP72102400 | 4250 | 11500 | 262 | E-4R7203 | ||||
| 360 | 520 | 380 | 405 | 4 | 4 | FCDP72104380 | 3350 | 8300 | 266.2 | 562913 | ||||
| 370 | 480 | 230 | 400 | 4 | 4 | FC7496230 | 2100 | 6250 | 106 | E-4R7405 | ||||
| 370 | 480 | 250 | 401 | 4 | 4 | FC7496250 | 2650 | 7422 | 116.3 | |||||
