Bearings, units and housings -- Ball bearings -- Self-aligning ball bearings -- Self-aligning ball bearings -- SKF 129 TN9
129 TN9
Dimensions
| d | 9 | mm | |
| D | 26 | mm | |
| B | 8 | mm | |
| d1 | ≈ | 14.8 | mm |
| D1 | ≈ | 20.4 | mm |
| r1,2 | min. | 0.3 | mm |
Abutment dimensions
| da | min. | 11.4 | mm |
| Da | max. | 23.6 | mm |
| ra | max. | 0.3 | mm |
Calculation data
| Basic dynamic load rating | C | 3.9 | kN | |
| Basic static load rating | C0 | 0.82 | kN | |
| Fatigue load limit | Pu | 0.043 | kN | |
| Reference speed | 60000 | r/min | ||
| Limiting speed | 38000 | r/min | ||
| Permissible angular misalignment | a | 2.5 | ° | |
| Calculation factor | kr | 0.04 | ||
| Calculation factor | e | 0.33 | ||
| Calculation factor | Y0 | 2 | ||
| Calculation factor | Y1 | 1.9 | ||
| Calculation factor | Y2 | 3 |
Mass
| Mass bearing | 0.022 | kg |