Bearings, units and housings -- Ball bearings -- Self-aligning ball bearings -- Self-aligning ball bearings -- SKF 1303 ETN9
1303 ETN9
Dimensions
| d | 17 | mm | |
| D | 47 | mm | |
| B | 14 | mm | |
| d1 | ≈ | 28.88 | mm |
| D1 | ≈ | 40 | mm |
| r1,2 | min. | 1 | mm |
Abutment dimensions
| da | min. | 22.6 | mm |
| Da | max. | 41.4 | mm |
| ra | max. | 1 | mm |
Calculation data
| Basic dynamic load rating | C | 12.7 | kN | |
| Basic static load rating | C0 | 3.4 | kN | |
| Fatigue load limit | Pu | 0.18 | kN | |
| Reference speed | 28000 | r/min | ||
| Limiting speed | 20000 | r/min | ||
| Permissible angular misalignment | a | 3 | ° | |
| Calculation factor | kr | 0.04 | ||
| Calculation factor | e | 0.3 | ||
| Calculation factor | Y0 | 2.2 | ||
| Calculation factor | Y1 | 2.1 | ||
| Calculation factor | Y2 | 3.3 |
Mass
| Mass bearing | 0.12 | kg |