Bearings, units and housings -- Ball bearings -- Self-aligning ball bearings -- Self-aligning ball bearings -- SKF 2307 ETN9
2307 ETN9
Dimensions
| d | 35 | mm | |
| D | 80 | mm | |
| B | 31 | mm | |
| d1 | ≈ | 46.7 | mm |
| D1 | ≈ | 67 | mm |
| r1,2 | min. | 1.5 | mm |
Abutment dimensions
| da | min. | 44 | mm |
| Da | max. | 71 | mm |
| ra | max. | 1.5 | mm |
Calculation data
| Basic dynamic load rating | C | 39.7 | kN | |
| Basic static load rating | C0 | 11.2 | kN | |
| Fatigue load limit | Pu | 0.59 | kN | |
| Reference speed | 16000 | r/min | ||
| Limiting speed | 12000 | r/min | ||
| Permissible angular misalignment | a | 3 | ° | |
| Calculation factor | kr | 0.05 | ||
| Calculation factor | e | 0.46 | ||
| Calculation factor | Y0 | 1.4 | ||
| Calculation factor | Y1 | 1.35 | ||
| Calculation factor | Y2 | 2.1 |
Mass
| Mass bearing | 0.68 | kg |