| Boundary dimensions(mm) | Designations | Equivalent to foreign designations(For your information) | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| d | D | B | Fw | SKF | FAG | NSK | NTN | KOYO | TIMKEN | URB | |
| 380 | 540 | 400 | 422 | FCD76108400 | 544794 | 380RV5411 | 4R7618 | 76FC54380 | |||
| 380 | 540 | 400 | 424 | FC76108400A | 380RV5401 | 4R7613 | |||||
| 390 | 510 | 290 | 424 | FC78102290 | 390RV5101 | ||||||
| 390 | 540 | 320 | 431 | FCD78108320 | 578278 | ||||||
| 390 | 550 | 400 | 434 | FCD78110400 | 390RV5521 | 78FC55400AW | |||||
| 400 | 520 | 250 | 432 | FC80104250 | 400RV5202 | 80FC52250W | |||||
| 400 | 560 | 360 | 441 | FCD80112360 | 80FC56360 | ||||||
| 400 | 560 | 400 | 446 | FC80112400 | 4R8007 | ||||||
| 400 | 590 | 440 | 450 | FCD80118440 | 542395 | ||||||
| 400 | 590 | 420 | 450 | FC80118420 | 4R8011 | ||||||
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