Ball bearings 61903 (RS, 2RS, Z, 2Z)
Dimensions and Calculation data
| d | 17 | mm | |
| D | 30 | mm | |
| B | 7 | mm | |
| rs | 0,3 | mm |
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| Rated dynamic load capacity | C r | 4,78 | kN |
| Rated static load capacity | C or | 2,7 | kN |
| Fatigue strength limit | Pu | 0,2 | kN |
| Bearing weight | 0,018 | kg | |
| Nominal speed | 50000 | r/min | |
| The maximum frequency of rotation | 32000 | r/min |