Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 7024 CE/HCP4A
7024 CE/HCP4A
Dimensions
| d | 120 | mm | |
| D | 180 | mm | |
| B | 28 | mm | |
| d1 | 141.42 | mm | |
| d2 | 137.8 | mm | |
| D1 | 158.61 | mm | |
| r1,2 | min. | 2 | mm |
| r3,4 | min. | 1 | mm |
| a | 34.3 | mm |
Abutment dimensions
| da | min. | 128.8 | mm |
| db | min. | 128.8 | mm |
| Da | max. | 171.2 | mm |
| Db | max. | 174.4 | mm |
| ra | max. | 2 | mm |
| rb | max. | 1 | mm |
| dn | 144.9 | mm |
Calculation data
| Basic dynamic load rating | C | 57.2 | kN | |
| Basic static load rating | C0 | 55 | kN | |
| Fatigue load limit | Pu | 1.9 | kN | |
| Attainable speed for grease lubrication | 11200 | r/min | ||
| Attainable speed for oil-air lubrication | 17500 | r/min | ||
| Ball diameter | Dw | 14.288 | mm | |
| Number of balls | z | 29 | ||
| Reference grease quantity | Gref | 28 | cm³ | |
| Preload and stiffness (back-to-back, face-to-face) | ||||
| Preload class A | GA | 310 | N | |
| Static axial stiffness, preload class A | 115 | N/µm | ||
| Preload class B | GB | 930 | N | |
| Static axial stiffness, preload class B | 182 | N/µm | ||
| Preload class C | GC | 1850 | N | |
| Static axial stiffness, preload class C | 250 | N/µm | ||
| Calculation factors | ||||
| Calculation factor | f | 1.12 | ||
| Calculation factor | f1 | 1 | ||
| Calculation factor | f2A | 1 | ||
| Calculation factor | f2B | 1.03 | ||
| Calculation factor | f2C | 1.05 | ||
| Calculation factor | fHC | 1.01 | ||
| Calculation factor | f0 | 9.6 | ||
Mass
| Mass bearing | 1.96 | kg |