| Bore diameter | d | 20 | mm |
| Width | B | 18 | mm |
| Shoulder diameter of outer ring | D1 | ≈38.3 | |
| chamfer dimension | rmin | min.0.6 |
| Outside diameter | d2 | 47 | mm |
| Shoulder diameter of inner ring | d2 | ≈29.7 | |
| Chamfer dimension of loose flange ring | F | 26.50 | mm |
| Permissible axial displacement | s | max.2 |
