| Boundary dimensions(mm) | Designations | Equivalent to foreign designations(For your information) | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| d | D | B | Fw | SKF | FAG | NSK | NTN | KOYO | TIMKEN | URB | |
| 220 | 460 | 145 | NU2344M | ||||||||
| 240 | 360 | 56 | NU1048M | ||||||||
| 240 | 360 | 56 | NJ1048M | ||||||||
| 240 | 440 | 72 | N248M | ||||||||
| 240 | 440 | 72 | NU248M | ||||||||
| 240 | 440 | 72 | NJ248M | ||||||||
| 260 | 400 | 65 | N1052M | ||||||||
| 260 | 400 | 65 | NU1052M | ||||||||
| 260 | 400 | 65 | NJ1052M | ||||||||
| 260 | 480 | 130 | NU2252M | ||||||||
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