| Bore diameter | d | 12 | mm |
| Breite | B | 12 | mm |
| Shoulder diameter inner ring (small side face) | d2 | ≈16.95 | |
| Distance pressure point | a | 16,30 | mm |
| Chamfer dimension outer ring small side face | r3,4 | min.0.6 |
| Außen-Ø | d2 | 37 | mm |
| Shoulder diameter inner ring (large side face) | d1 | ≈21.9 | |
| Recess diameter outer ring (large side face) | D2 | ≈29.45 | |
| chamfer dimension | rmin | min.1 |
