| Bore diameter | d | 20 | mm |
| Centring diameter | Dc | 52 | mm |
| Base width | b | 36 | mm |
| Width Inner ring | B | 31 | mm |
| Height of spherical seat centre | H | 33.30 | mm |
| Distance between attachment bolts | J | 51 | mm |
| Distance from locking device side face to raceway centre | s1 | 18.30 | mm |
| Shoulder diameter inner ring | d1 | ≈28.2 | |
| Groove height for backseal | Ha | 6 | mm |
| Width including end cover | A5 | 63.10 | mm |
| Distance from locking device side face to thread centre | B4 | 4.50 | mm |
| Overall height | H | 64.60 | mm |
| Overall length | L | 75 | mm |
