| Distance from flange side face to lubrication hole (ThBB) | C2 | 8 | mm |
| Outside diameter mounted stamped steel cover (ThBB - NKX(R) .. Z) | D2 | 31.20 | mm |
| Diameter under rollers | Fw | 17 | mm |
| Width Outer ring | C | 25 | mm |
| Bore diameter (ThBB) | d | 17 | mm |
| Chamfer dimension outer ring | r1,2 | min.0.3 | |
| Outside diameter | d2 | 26 | mm |
| Height ThBB (without centring flange or radial bearing part) | C1 | 9 | mm |
