| Bore diameter | d | 20 | mm |
| Width | B | 9 | mm |
| Shoulder diameter of inner ring (small side face) | d2 | 25.60 | mm |
| Chamfer dimension (large side face) | r1,2 | min.0.3 | |
| Distance from side face to pressure point | a | 8.40 | mm |
| Outside diameter | d2 | 37 | mm |
| Shoulder diameter of inner ring (large side face) | d1 | 25.60 | mm |
| Shoulder diameter of outer ring (large side face) | D1 | 31.40 | mm |
| Chamfer dimension (small side face) | r3,4 | min.0.2 |
