Bearings, units and housings -- Roller bearings -- Spherical roller bearings -- Spherical roller bearings -- SKF 22311 EK
22311 EK
SKF Explorer
Dimensions
| d | 55 | mm | |
| D | 120 | mm | |
| B | 43 | mm | |
| d2 | ≈ | 70.1 | mm |
| D1 | ≈ | 102 | mm |
| b | 5.5 | mm | |
| K | 3 | mm | |
| r1,2 | min. | 2 | mm |
Tapered bore, taper 1:12
Abutment dimensions
| Da | max. | 109 | mm |
| ra | max. | 2 | mm |
Calculation data
| Basic dynamic load rating | C | 280 | kN | |
| Basic static load rating | C0 | 280 | kN | |
| Fatigue load limit | Pu | 30 | kN | |
| Reference speed | 4300 | r/min | ||
| Limiting speed | 5600 | r/min | ||
| Calculation factor | e | 0.35 | ||
| Calculation factor | Y1 | 1.9 | ||
| Calculation factor | Y2 | 2.9 | ||
| Calculation factor | Y0 | 1.8 |
Mass
| Mass bearing | 2.4 | kg |
Mounting information
| Recommended lock nut tightening angle | a | 115 | ° |