bearings
| ISO | N 1004 |
| GOST | N 1004 2104 |
| Inner diameter (d, mm) | 20 |
| Outer diameter (D, mm) | 42 |
| Width (height) (B, mm) | 12 |
| Weight (m,kg) | 0,08 |
| Dynamic bearing capacity (C, kH) | 8,8 |
| Static bearing capacity (Co, kH) | 4,7 |
| Speed at the grease (n prev. Rev / min) | - |
| Speed at the liquid lubricant (n prev. Rev / min) | - |