| Boundary dimensions(mm) | Designations | Equivalent to foreign designations(For your information) | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| d | D | B | Fw | SKF | FAG | NSK | NTN | KOYO | TIMKEN | URB | |
| 280 | 390 | 275 | 312 | FC5678275 | 513729A | 4R5612 | |||||
| 280 | 390 | 275 | 312 | FCD5678275 | 314719 B | 527104 | 56FC39275J | 280RY1782 | |||
| 280 | 390 | 275 | 308 | FC5678275A | 280RV3903 | 280RY1782 | |||||
| 280 | 410 | 300 | 313 | FCD5682300 | 510350 | ||||||
| 280 | 420 | 280 | 323 | FC5684280A | 4R5605 | ||||||
| 290 | 390 | 234 | 320 | FC5878234 | 290RV3901 | 58FC39234 | |||||
| 290 | 410 | 240 | 320 | FC5882240 | 290RV4101 | 4R5806 | 58FC41240 | ||||
| 360 | 510 | 370 | 397 | FCD72102370A | |||||||
| 290 | 420 | 300 | 327 | FC5884300 | 290RV4201 | 4R5805 | 58FC42300 | ||||
| 290 | 440 | 310 | 328 | FC5888310 | 517796 | ||||||
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