| Bore diameter | d | 40 | mm |
| Anchura | B | 18 | mm |
| Shoulder diameter of outer ring | D1 | ≈67.4 | |
| chamfer dimension | rmin | min.1.1 |
| Diámetro exterior | d2 | 80 | mm |
| Shoulder diameter of inner ring | d2 | ≈54 | |
| Chamfer dimension of loose flange ring | F | 49,50 | mm |
| Permissible axial displacement | s | max.1.4 |