| Boundary dimensions(mm) | Designations | Equivalent to foreign designations(For your information) | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| d | D | B | Fw | SKF | FAG | NSK | NTN | KOYO | TIMKEN | URB | |
| 120 | 260 | 55 | N324M | ||||||||
| 120 | 260 | 55 | NF324M | ||||||||
| 120 | 260 | 55 | NU324M | ||||||||
| 120 | 260 | 55 | NJ324M | ||||||||
| 120 | 310 | 72 | N424M | ||||||||
| 120 | 310 | 72 | NU424M | ||||||||
| 120 | 310 | 72 | NJ424M | ||||||||
| 120 | 180 | 28 | NU1024M | ||||||||
| 130 | 230 | 40 | N226M | ||||||||
| 130 | 230 | 40 | NU226M | ||||||||