Bearing
| ISO | NU 2311 | 
| GOST | 32611 8328-75 NU 2311 | 
| 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) | - |