SKF 1307 ETN9 Self-aligning ball bearings
Brand: SKF
Item number: 1307 ETN9
Description
Self-aligning ball bearings have two rows of balls, a common sphered raceway in the outer ring and two deep uninterrupted raceway grooves in the inner ring. They are available open or sealed.
The technical data for SKF 1307 ETN9
| d | 35 | mm | |
| D | 80 | mm | |
| B | 21 | mm | |
| d1 | ≈ | 51.55 | mm |
| D1 | ≈ | 67.5 | mm |
| r1,2 | min. | 1.5 | mm |
Calculation data
| Basic dynamic load rating | C | 26.5 | kN | |
| Basic static load rating | C0 | 8.5 | kN | |
| Fatigue load limit | Pu | 0.43 | kN | |
| Reference speed | 16000 | r/min | ||
| Limiting speed | 11000 | r/min | ||
| Permissible angular misalignment | α | 3 | ° | |
| Calculation factor | kr | 0.04 | ||
| Calculation factor | e | 0.25 | ||
| Calculation factor | Y0 | 2.5 | ||
| Calculation factor | Y1 | 2.5 | ||
| Calculation factor | Y2 | 3.9 |
Mass
| Mass bearing | 0.51 | kg |
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