| Bore diameter | d | 12 | mm |
| Size wrench | w | 17 | mm |
| Length wrench flat | l5 | ≈12 | |
| Length threat | l3 | min.18 | |
| Raceway diameter inner ring | F | 18 | mm |
| Height shank end face - centre rod end eye | h1 | 50 | mm |
| Thread | M 12 | ||
| Diameter head | d2 | max.35 |
| Chamfer dimension bore | r1 | min.0.3 | |
| Distance shank chamfer - centre rod end eye | l7 | min.17 | |
| Length (height) housing | l4 | max.69 | |
| Diameter shank | d4 | ≈19 | |
| Angle of tilt | α | 10 | ° |
| Width head | C1 | max.8.5 | |
| Width Inner ring | B | 10 | mm |
