| Bore diameter | d | 20 | mm |
| Length of attachment bolt hole | N1 | 18 | mm |
| Overall length | L | 127 | mm |
| Overall height | H | 64.50 | mm |
| Height of spherical seat centre | H | 33.30 | mm |
| Width Inner ring | B | 31 | mm |
| Base width | b | 34 | mm |
| Distance from locking device side face to raceway centre | s1 | 18.30 | mm |
| Diameter of attachment bolt hole | N | 13 | mm |
| Distance between attachment bolts | J | min.90 | |
| Foot height | H1 | 13.50 | mm |
| Distance from locking device side face to thread centre | B4 | 5 | mm |
| Top width | A1 | 23 | mm |
| Shoulder diameter inner ring | d1 | ≈28.7 |
