bearings
| ISO | 6307 ZN |
| GOST | 6307 ZN 150307 |
| Inner diameter (d, mm) | 25 |
| Outer diameter (D, mm) | 80 |
| Width (height) (B, mm) | 21 |
| Weight (m,kg) | 0,4400 |
| Dynamic bearing capacity (C, kH) | 33,2 |
| Static bearing capacity (Co, kH) | 19 |
| Speed at the grease (n prev. Rev / min) | 8500 |
| Speed at the liquid lubricant (n prev. Rev / min) | 10000 |