| Chamfer dimension (open bearings) | r1,2 | min.2 | |
| Width annular lubrication groove outer ring | b1 | 8 | mm |
| Shoulder diameter inner ring | d1 | ≈261 | |
| Outside diameter | d2 | 300 | mm |
| Diameter lubrication hole (outer ring) | M | 4 | mm |
| Shoulder diameter outer ring | D1 | ≈275 | |
| Width | B | 60 | mm |
| Bore diameter | d | 240 | mm |
