| chamfer dimension | rmin | min.1 | |
| Bore diameter | d | 20 | mm |
| Width | B | 14 | mm |
| Shoulder diameter inner ring (small side face) | d2 | ≈25.87 | |
| Recess diameter outer ring (small side face) | D5 | ≈42 |
| Chamfer dimension outer ring small side face | r3,4 | min.0.6 | |
| Outside diameter | d2 | 47 | mm |
| Shoulder diameter inner ring (large side face) | d1 | ≈30.85 | |
| Recess diameter outer ring (large side face) | D2 | ≈37.7 | |
| Distance pressure point | a | 21 | mm |
