Bearings, units and housings -- Ball bearings -- Self-aligning ball bearings -- Self-aligning ball bearings -- SKF 1212 ETN9
1212 ETN9
Dimensions
| d | 60 | mm | |
| D | 110 | mm | |
| B | 22 | mm | |
| d1 | ≈ | 78 | mm |
| D1 | ≈ | 95.6 | mm |
| r1,2 | min. | 1.5 | mm |
Abutment dimensions
| da | min. | 69 | mm |
| Da | max. | 101 | mm |
| ra | max. | 1.5 | mm |
Calculation data
| Basic dynamic load rating | C | 31.2 | kN | |
| Basic static load rating | C0 | 12.2 | kN | |
| Fatigue load limit | Pu | 0.62 | kN | |
| Reference speed | 12000 | r/min | ||
| Limiting speed | 8500 | r/min | ||
| Permissible angular misalignment | a | 2.5 | ° | |
| Calculation factor | kr | 0.04 | ||
| Calculation factor | e | 0.19 | ||
| Calculation factor | Y0 | 3.6 | ||
| Calculation factor | Y1 | 3.3 | ||
| Calculation factor | Y2 | 5.1 |
Mass
| Mass bearing | 0.9 | kg |