| Bearing Number | Boundary dimensions | |||
| d(mm) | d (in) | D (mm) | D (in) | |
| 23944 | 220 | 8.668 | 300 | 11.82 | 23944K | 220 | 8.668 | 300 | 11.82 |
| 23944KW33C3 | 220 | 8.668 | 300 | 11.82 | 23944W33C3 | 220 | 8.668 | 300 | 11.82 |
| 23948 | 240 | 9.456 | 320 | 12.608 | 23948K | 240 | 9.456 | 320 | 12.608 |
| 23948KW33C3 | 240 | 9.456 | 320 | 12.608 | 23948W33C3 | 240 | 9.456 | 320 | 12.608 |
| 23952 | 260 | 10.244 | 360 | 14.184 | 23952K | 260 | 10.244 | 360 | 14.184 |
| 23952KW33C3 | 260 | 10.244 | 360 | 14.184 | 23952W33C3 | 260 | 10.244 | 360 | 14.184 |