| Width Outer ring | C | 30 | mm |
| Diameter under rollers | Fw | 30 | mm |
| Distance from flange side face to lubrication hole (ThBB) | C2 | 9.50 | mm |
| Outside diameter mounted stamped steel cover (ThBB - NKX(R) .. Z) | D2 | 48.20 | mm |
| Height ThBB (without centring flange or radial bearing part) | C1 | 11 | mm |
| Outside diameter | d2 | 42 | mm |
| Bore diameter (ThBB) | d | 30 | mm |
| Chamfer dimension outer ring | r1,2 | min.0.6 |
