| Bore diameter | d | 20 | mm |
| Width | B | 21.50 | mm |
| Width flange | B1 | 1.50 | mm |
| Length chamfer outside diameter - axial direction | c2 | max.1 |
| Outside diameter | d2 | 23 | mm |
| Outside diameter flange | D1 | 30 | mm |
| Length chamfer bore - axial direction | c1 | max.0.7 | |
| Radius flange/bushing outside diameter | r | max.1.5 |
