| Boundary dimensions(mm) | Designations | Equivalent to foreign designations(For your information) | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| d | D | B | Fw | SKF | FAG | NSK | NTN | KOYO | TIMKEN | URB | |
| 220 | 400 | 65 | NJ244M | ||||||||
| 220 | 400 | 65 | NUP244M | ||||||||
| 220 | 400 | 108 | NU2244EM | ||||||||
| 220 | 400 | 108 | NUP2244EM | ||||||||
| 220 | 460 | 88 | NU344M | ||||||||
| 220 | 460 | 88 | NJ344M | ||||||||
| 220 | 460 | 88 | NJ344M | ||||||||
| 220 | 460 | 145 | NU2344M | ||||||||
| 220 | 460 | 145 | NU2344M | ||||||||
| 240 | 360 | 56 | NU1048M | ||||||||