| Chamfer dimension inner ring (bearing with tapered bore) | r3,4 | min.1 | |
| Bore diameter | d | 190 | mm |
| Width | B | 69 | mm |
| Raceway diameter inner ring (NNU design) | F | 212 | mm |
| Diameter lubrication hole (outer ring) | M | 3 | mm |
| Permissible axial displacement from the normal position of one bearing ring relative to the other (all) | s | max.1.1 | |
| Outside diameter | d2 | 260 | mm |
| Shoulder diameter outer ring (NNU design) | D1 | 236 | mm |
| Width annular lubrication groove at outer ring | b | 8.30 | mm |
| Chamfer dimension outer ring | r1,2 | min.2 |
| Manufacturer | Part Number |
|---|---|
| FAG | NNU4938-S-K-M-SP (FAG) |
