| Case groove outside diameter | D3 | 55 | mm |
| Seal counterface hole diameter | D1 | max.42 | |
| Case groove width | B2 | 3 | mm |
| Metal case thickness | t | 0.50 | mm |
| Case outside diameter | c | 53 | mm |
| Case groove inside diameter | D2 | 50 | mm |
| Gap width | B3 | 1 | mm |
| Seal fitted width | B1 | 4.50 | mm |
| Total seal case width | b | 6.50 | mm |
| Shaft diameter | d | h935 |
