| Boundary dimensions(mm) | Designations | Equivalent to foreign designations(For your information) | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| d | D | B | Fw | SKF | FAG | NSK | NTN | KOYO | TIMKEN | URB | |
| 200 | 360 | 58 | NU240M | ||||||||
| 200 | 360 | 58 | NJ240M | ||||||||
| 200 | 420 | 80 | NU340M | ||||||||
| 200 | 420 | 80 | NU340M | ||||||||
| 200 | 420 | 138 | N2340M | ||||||||
| 200 | 420 | 138 | NU2340M | ||||||||
| 220 | 340 | 56 | NU1044M | ||||||||
| 220 | 340 | 56 | NJ1044M | ||||||||
| 220 | 400 | 65 | N244M | ||||||||
| 220 | 400 | 65 | NU244M | ||||||||