Deep groove ball bearing 6308 40x90x23 mm, open
Ball bearings of the 63 medium series offer a balanced ratio between their radial load carrying capacity, the required installation space, their weight and the admissible speed. Consequently they are versatile.
| d | 40 mm | Bore diameter |
| D | 90 mm | Outside diameter |
| B | 23 mm | Width |
| d1 | 56.1 mm | Shoulder diameter inner ring |
| D2 | 77.7 mm | Recess diameter outer ring |
| r | 1.5 mm | Chamfer dimension |
| Cr | 42.3 kN | Basic dynamic load rating |
| C0r | 24 kN | Basic static load rating |
| 17000 r/min | Reference Speed | |
| 11000 r/min | Limiting speed |
| ≈m | 0.63 kg | Weight |
| Bearing steel | Material of race | |
| Sheet steel | Cage | |
| Open | Closures | |
| CN | Radial clearance | |
| P0 | Tolerance |
| SKF | FAG | NSK | NTN | NACHI | TIMKEN |
| 6308 | 6308-C | 6308 | 6308 | 6308 | 308K |
