| Bore diameter | d | 30 | mm |
| Anchura | B | 13 | mm |
| Shoulder diameter of inner ring (small side face) | d2 | 37,70 | mm |
| Chamfer dimension (large side face) | r1,2 | min.1 | |
| Distance from side face to pressure point | a | 16,60 | mm |
| Diámetro exterior | d2 | 55 | mm |
| Shoulder diameter of inner ring (large side face) | d1 | 37,70 | mm |
| Shoulder diameter of outer ring (large side face) | D1 | 47,30 | mm |
| Chamfer dimension (small side face) | r3,4 | min.0.3 |
