bearings
| ISO | 6308 N |
| GOST | 6308 N 50308 |
| Inner diameter (d, mm) | 40 |
| Outer diameter (D, mm) | 90 |
| Width (height) (B, mm) | 23 |
| Weight (m,kg) | 0,6300 |
| Dynamic bearing capacity (C, kH) | 41 |
| Static bearing capacity (Co, kH) | 24 |
| Speed at the grease (n prev. Rev / min) | 7500 |
| Speed at the liquid lubricant (n prev. Rev / min) | 9000 |