| Overall unit width | T | 53,20 | mm |
| Diameter of attachment bolt hole | N | 14,30 | mm |
| Distance between attachment bolts | J | 101,60 | mm |
| Diameter Diameter of housing centering recessof backseal groove | Dc | 88 | mm |
| Width of inner ring | B | 49,20 | mm |
| Flange width | A | 14,30 | mm |
| outer diameter inner ring | da | ≈51.8 |
| Distance from locking device side face to raceway centre | s1 | 30,20 | mm |
| Overall length | L | 130,20 | mm |
| Depth of housing centering recess | Ha | 6 | mm |
| Distance from locking device side face to thread centre | B4 | 10 | mm |
| Standout of end cover | A5 | 68,80 | mm |
| Overall width | A | 38,90 | mm |
| Bore diameter | d | 40 | mm |
