Bearings, units and housings -- Ball bearings -- Self-aligning ball bearings -- Self-aligning ball bearings -- SKF 2309 ETN9
2309 ETN9
Dimensions
| d | 45 | mm | |
| D | 100 | mm | |
| B | 36 | mm | |
| d1 | ≈ | 60.16 | mm |
| D1 | ≈ | 86 | mm |
| r1,2 | min. | 1.5 | mm |
Abutment dimensions
| da | min. | 54 | mm |
| Da | max. | 91 | mm |
| ra | max. | 1.5 | mm |
Calculation data
| Basic dynamic load rating | C | 63.7 | kN | |
| Basic static load rating | C0 | 19.3 | kN | |
| Fatigue load limit | Pu | 1 | kN | |
| Reference speed | 13000 | r/min | ||
| Limiting speed | 9000 | r/min | ||
| Permissible angular misalignment | a | 3 | ° | |
| Calculation factor | kr | 0.05 | ||
| Calculation factor | e | 0.33 | ||
| Calculation factor | Y0 | 2 | ||
| Calculation factor | Y1 | 1.9 | ||
| Calculation factor | Y2 | 3 |
Mass
| Mass bearing | 1.25 | kg |