Bearings, units and housings -- Ball bearings -- Deep groove ball bearings -- Deep groove ball bearings -- SKF 305-ZNR
305-ZNR
Dimensions
| d | 25 | mm | |
| D | 62 | mm | |
| B | 17 | mm | |
| d1 | ≈ | 36.6 | mm |
| D2 | ≈ | 52.7 | mm |
| D3 | 59.61 | mm | |
| D4 | 67.7 | mm | |
| b | 1.9 | mm | |
| C | 3.28 | mm | |
| f | 1.7 | mm | |
| r0 | max. | 0.6 | mm |
| r1,2 | min. | 1.1 | mm |
Abutment dimensions
| da | min. | 32 | mm |
| da | max. | 32.7 | mm |
| Da | max. | 55 | mm |
| Db | min. | 69 | mm |
| ba | min. | 2.2 | mm |
| Ca | max. | 4.98 | mm |
| ra | max. | 1 | mm |
Calculation data
| Basic dynamic load rating | C | 22.9 | kN | |
| Basic static load rating | C0 | 15.6 | kN | |
| Fatigue load limit | Pu | 0.67 | kN | |
| Reference speed | 20000 | r/min | ||
| Limiting speed | 13000 | r/min | ||
| Calculation factor | kr | 0.05 |
Mass
| Mass bearing | 0.24 | kg |
Included products
| Snap ring | SP 62 | |||