bearings
| ISO | 53308 +U308 |
| GOST | 53308 +U308 18308 |
| Inner diameter (d, mm) | 40 |
| Outer diameter (D, mm) | 78 |
| Width (height) (B, mm) | 31 |
| Weight (m,kg) | 0,673 |
| Dynamic bearing capacity (C, kH) | 61 |
| Static bearing capacity (Co, kH) | 95 |
| Speed at the grease (n prev. Rev / min) | - |
| Speed at the liquid lubricant (n prev. Rev / min) | - |