Bearings, units and housings -- Ball bearings -- Deep groove ball bearings -- Deep groove ball bearings -- SKF 6409 N
6409 N
Dimensions
| d | 45 | mm | |
| D | 120 | mm | |
| B | 29 | mm | |
| d1 | ≈ | 68.91 | mm |
| D1 | ≈ | 95.85 | mm |
| D3 | 115 | mm | |
| b | 3.1 | mm | |
| C | 4.06 | mm | |
| r0 | max. | 0.6 | mm |
| r1,2 | min. | 2 | mm |
Abutment dimensions
| da | min. | 58 | mm |
| Da | max. | 107 | mm |
| Db | min. | 131 | mm |
| ba | min. | 3.5 | mm |
| Ca | max. | 6.88 | mm |
| ra | max. | 2 | mm |
Calculation data
| Basic dynamic load rating | C | 76.1 | kN | |
| Basic static load rating | C0 | 45 | kN | |
| Fatigue load limit | Pu | 1.9 | kN | |
| Reference speed | 13000 | r/min | ||
| Limiting speed | 8500 | r/min | ||
| Calculation factor | kr | 0.035 | ||
| Calculation factor | f0 | 12.1 |
Mass
| Mass bearing | 1.56 | kg |