| Width annular lubrication groove at outer ring | b | 2.30 | mm |
| Chamfer dimension bore | r1 | min.0.3 | |
| Bore diameter | d | 12 | mm |
| Nominal width | B | 12 | mm |
| Angle of tilt | α | 4 | ° |
| Shoulder diameter cylindrical extension inner ring | d1 | ≈15.5 |
| Diameter lubrication hole (outer ring) | M | 1.50 | mm |
| Chamfer dimension outer ring | r1,2 | min.0.3 | |
| Outside diameter | d2 | 22 | mm |
| Width Outer ring | C | 7 | mm |
| Raceway diameter inner ring | F | 18 | mm |
