Bearings, units and housings -- Ball bearings -- Deep groove ball bearings -- Deep groove ball bearings -- SKF 6304-ZNR
6304-ZNR
SKF Explorer
Dimensions
| d | 20 | mm | |
| D | 52 | mm | |
| B | 15 | mm | |
| d1 | ≈ | 30.35 | mm |
| D2 | ≈ | 44.71 | mm |
| D3 | 49.73 | mm | |
| D4 | 57.9 | mm | |
| b | 1.35 | mm | |
| C | 2.46 | mm | |
| r0 | max. | 0.4 | mm |
| r1,2 | min. | 1.1 | mm |
Abutment dimensions
| da | min. | 27 | mm |
| da | max. | 30.3 | mm |
| Da | max. | 45 | mm |
| Db | min. | 59 | mm |
| ba | min. | 1.5 | mm |
| Ca | max. | 3.58 | mm |
| ra | max. | 1 | mm |
Calculation data
| Basic dynamic load rating | C | 16.8 | kN | |
| Basic static load rating | C0 | 7.8 | kN | |
| Fatigue load limit | Pu | 0.335 | kN | |
| Reference speed | 30000 | r/min | ||
| Limiting speed | 19000 | r/min | ||
| Calculation factor | kr | 0.03 | ||
| Calculation factor | f0 | 12 |
Mass
| Mass bearing | 0.15 | kg |