| Chamfer dimension outer ring | r1,2 | min.0.6 | |
| Bore diameter (ThBB) | d | 40 | mm |
| Height ThBB (without centring flange or radial bearing part) | C1 | 13 | mm |
| Outside diameter | d2 | 52 | mm |
| Outside diameter mounted stamped steel cover (ThBB - NKX(R) .. Z) | D2 | 61.20 | mm |
| Distance from flange side face to lubrication hole (ThBB) | C2 | 10 | mm |
| Width Outer ring | C | 32 | mm |
| Diameter under rollers | Fw | 40 | mm |
