| Boundary dimensions(mm) | Designations | Equivalent to foreign designations(For your information) | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| d | D | B | Fw | SKF | FAG | NSK | NTN | KOYO | TIMKEN | URB | |
| 400 | 720 | 256 | 23280/W33 | ||||||||
| 340 | 445 | 250 | 367 | FC6889250 | 68FC45250W | ||||||
| 340 | 450 | 250 | 371 | FC6890250A1 | 340RV4501 | ||||||
| 340 | 450 | 250 | 366 | FC6890250A2 | |||||||
| 180 | 280 | 100 | 24036CC/W33 | ||||||||
| 240 | 360 | 218 | 272 | NNU 6048 | |||||||
| 300 | 460 | 290 | 341 | NNU 6060 | |||||||
| 350 | 500 | 380 | 389 | FCDP70100380 | 314563 | 532381.N12BA | |||||
| 340 | 480 | 350 | 376 | FCD6896350A | 68FC48350L | ||||||
| 340 | 480 | 370 | 378 | FC6896370 | 4R6811 | ||||||
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