| Bore diameter | d | 30 | mm |
| Width | B | 19 | mm |
| Shoulder diameter inner ring (small side face) | d2 | ≈37.9 | |
| Distance pressure point | a | 31 | mm |
| Chamfer dimension outer ring small side face | r3,4 | min.0.6 |
| Outside diameter | d2 | 72 | mm |
| Shoulder diameter inner ring (large side face) | d1 | ≈46.6 | |
| Shoulder diameter outer ring (large side face) | D1 | ≈56.6 | |
| chamfer dimension | rmin | min.1.1 |
