| Bore diameter | d | 20 | mm |
| Width | B | 18 | mm |
| Raceway diameter inner ring | F | 25 | mm |
| Permissible axial displacement from the normal position of one bearing ring relative to the other | s | max.0.5 |
| Outside diameter | d2 | 37 | mm |
| Width Outer ring | C | 17 | mm |
| Chamfer dimension outer ring | r1,2 | min.0.3 |