| Bore diameter | d | 12,70 | mm |
| Overall bearing width | B | 28,60 | mm |
| Width Outer ring | C | 12 | mm |
| Outside diameter locking ring | d2 | 27,20 | mm |
| chamfer dimension | rmin | min.0.3 |
| Outside diameter | d2 | 40 | mm |
| Width Inner ring | B | 19,10 | mm |
| outer diameter inner ring | da | ≈24.2 | |
| Distance from locking device side face to thread centre | B4 | 4,75 | mm |
| Distance from locking device side face to raceway centre | s1 | 22,10 | mm |
