Bearings, units and housings -- Ball bearings -- Deep groove ball bearings -- Deep groove ball bearings -- SKF 6021 NR
6021 NR
SKF Explorer
Dimensions
| d | 105 | mm | |
| D | 160 | mm | |
| B | 26 | mm | |
| d1 | ≈ | 122.5 | mm |
| D2 | ≈ | 146.8 | mm |
| D3 | 155.22 | mm | |
| D4 | 169.7 | mm | |
| b | 3.1 | mm | |
| C | 3.71 | mm | |
| f | 2.82 | mm | |
| r0 | max. | 0.6 | mm |
| r1,2 | min. | 2 | mm |
Abutment dimensions
| da | min. | 116 | mm |
| Da | max. | 149 | mm |
| Db | min. | 172 | mm |
| ba | min. | 3.5 | mm |
| Ca | max. | 6.53 | mm |
| ra | max. | 2 | mm |
Calculation data
| Basic dynamic load rating | C | 76.1 | kN | |
| Basic static load rating | C0 | 65.5 | kN | |
| Fatigue load limit | Pu | 2.4 | kN | |
| Reference speed | 8500 | r/min | ||
| Limiting speed | 5300 | r/min | ||
| Calculation factor | kr | 0.025 | ||
| Calculation factor | f0 | 15.8 |
Mass
| Mass bearing | 1.65 | kg |
Included products
| Snap ring | SP 160 | |||