| Length of attachment bolt hole | N1 | 22.50 | mm |
| Shaft diameter | d | 44.45 | mm |
| Top width | A1 | 32 | mm |
| Overall height | H | 107 | mm |
| Step height | A1 | 21 | mm |
| Distance between attachment bolts | J | 143.50 | mm |
| Width of attachment bolt hole | N | 14 | mm |
| Base width | b | 48 | mm |
| Width Inner ring | B | 49.20 | mm |
| Spherical seat centre height | H1 | 54 | mm |
| Overall width | A | 187 | mm |
