Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 7022 CD/HCP4AL
7022 CD/HCP4AL
Dimensions
| d | 110 | mm | |
| D | 170 | mm | |
| B | 28 | mm | |
| d1 | 128.5 | mm | |
| d2 | 128.5 | mm | |
| D1 | 151.5 | mm | |
| b | 2.6 | mm | |
| C1 | 15.1 | mm | |
| C2 | 6.2 | mm | |
| C3 | 5.4 | mm | |
| r1,2 | min. | 2 | mm |
| r3,4 | min. | 1 | mm |
| a | 32.9 | mm |
Abutment dimensions
| da | min. | 119 | mm |
| db | min. | 119 | mm |
| Da | max. | 161 | mm |
| Db | max. | 165 | mm |
| ra | max. | 2 | mm |
| rb | max. | 1 | mm |
| dn | 132.6 | mm |
Calculation data
| Basic dynamic load rating | C | 111 | kN | |
| Basic static load rating | C0 | 108 | kN | |
| Fatigue load limit | Pu | 3.9 | kN | |
| Attainable speed for grease lubrication | 9500 | r/min | ||
| Attainable speed for oil-air lubrication | 14000 | r/min | ||
| Ball diameter | Dw | 19.05 | mm | |
| Number of balls | z | 20 | ||
| Reference grease quantity | Gref | 25.5 | cm³ | |
| Preload and stiffness (back-to-back, face-to-face) | ||||
| Preload class A | GA | 420 | N | |
| Static axial stiffness, preload class A | 135 | N/µm | ||
| Preload class B | GB | 840 | N | |
| Static axial stiffness, preload class B | 184 | N/µm | ||
| Preload class C | GC | 1680 | N | |
| Static axial stiffness, preload class C | 258 | N/µm | ||
| Preload class D | GD | 3360 | N | |
| Static axial stiffness, preload class D | 374 | N/µm | ||
| Calculation factors | ||||
| Calculation factor | f | 1.14 | ||
| Calculation factor | f1 | 1 | ||
| Calculation factor | f2A | 1 | ||
| Calculation factor | f2B | 1.02 | ||
| Calculation factor | f2C | 1.05 | ||
| Calculation factor | f2D | 1.09 | ||
| Calculation factor | fHC | 1.02 | ||
| Calculation factor | f0 | 15.5 | ||
Mass
| Mass bearing | 1.63 | kg |