bearings
| ISO | NUP 2311 |
| GOST | NUP 2311 92611 |
| Inner diameter (d, mm) | 55 |
| Outer diameter (D, mm) | 120 |
| Width (height) (B, mm) | 43 |
| Weight (m,kg) | 2,1 |
| Dynamic bearing capacity (C, kH) | 138 |
| Static bearing capacity (Co, kH) | 98 |
| Speed at the grease (n prev. Rev / min) | - |
| Speed at the liquid lubricant (n prev. Rev / min) | - |