| d | 2mm | single row, stainless steel |
| D | 6mm | Deep groove ball bearings |
| c | 0,238kN | dynamic Basic load ratings |
| Co | 0,075kN static | static|Basic load ratings |
| Pu | 0,0034kN | limit Fatigue |
| Speed | 180000r/min | Limiting Speed ratings |
| Limit Speed | 90000r/min | Limiting Speed ratings |
| Bearing | W 639/2-2Z | Designations |
| Limit Speed: | 90000r/min | Limiting Speed ratings |
| Speed: | 180000r/min | Limiting Speed ratings |
| Pu: | 0,0034kN | limit Fatigue |
| c: | 0,238kN | dynamic Basic load ratings |
| Bearing: | W 639/2-2Z | Designations |
| Co: | 0,075kN static | static|Basic load ratings |
|