| Bore diameter | d | 20 | mm |
| Overall width | A | 25,80 | mm |
| Standout of end cover | A5 | 52,90 | mm |
| Distance from locking device side face to thread centre | B4 | 4,50 | mm |
| Depth of housing centering recess | Ha | 6 | mm |
| Overall length | L | 85,70 | mm |
| Distance from locking device side face to raceway centre | s1 | 18,30 | mm |
| outer diameter inner ring | da | ≈28.2 | |
| Flange width | A | 11,10 | mm |
| Width of inner ring | B | 31 | mm |
| Diameter Diameter of housing centering recessof backseal groove | Dc | 52 | mm |
| Distance between attachment bolts | J | 63,50 | mm |
| Diameter of attachment bolt hole | N | 11,10 | mm |
| Overall unit width | T | 33,60 | mm |
