| Width | B | 12 | mm |
| Bore diameter | d | 12 | mm |
| chamfer dimension | rmin | min.1 | |
| Recess diameter outer ring (large side face) | D2 | ≈29.45 | |
| Shoulder diameter inner ring (large side face) | d1 | ≈21.9 |
| Outside diameter | d2 | 37 | mm |
| Chamfer dimension outer ring small side face | r3,4 | min.0.6 | |
| Distance pressure point | a | 16.30 | mm |
| Shoulder diameter inner ring (small side face) | d2 | ≈16.95 |
