| Thread size attachment end | G | M20 | |
| Bore diameter | d | 50 | mm |
| Overall width | A | 45 | mm |
| Width of flange in which location slot is provided | A2 | 36 | mm |
| Width Inner ring | B | 43.60 | mm |
| Overall height | H | 117 | mm |
| Height of attachment end | H2 | 46 | mm |
| Distance from attachment end face to centreline of spherical seat diameter | L1 | 90 | mm |
| Distance from locking device side face to raceway centre | s1 | 32.60 | mm |
| Thread length | IG | 21 | mm |
| Groove height for backseal | Ha | 6 | mm |
| Width of location slot | A1 | 16 | mm |
| Standout of end cover | A5 | 77 | mm |
| Distance from locking device side face to thread centre | B4 | 9 | mm |
| Distance between bottoms of location slot | H1 | 101.80 | mm |
| Overall length | L | 144 | mm |
| Length of locations slot | L3 | 85 | mm |
