HOJE BEARING CO.,LIMITED
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71814 ACD-P4 super-precision bearing, 71814 CD-HCP4 Angular contact ball bearing, inner size d is 70mm, Out size D is 90mm, With is 10mm , Dyn.cr(KN): 13.8 Stat.cor(KN): 16 grease rpm(r/min): 14000 oil rpm(r/min): 22000, Weight(KG): 0.13,
71814 ACD-P4 super-precision bearing, 71814 CD-HCP4 Angular contact ball bearing detials as below table , different brands, Parameters are slightly different, only for reference.
| Basic dynamic load rating | C | 13.8 | kN | |
| Basic static load rating | C0 | 16 | kN | |
| Fatigue load limit | Pu | 0.67 | kN | |
| Attainable speed for grease lubrication | 17000 | r/min | ||
| Attainable speed for oil-air lubrication | 26000 | r/min | ||
| Ball diameter | Dw | 5.556 | mm | |
| Number of balls | z | 31 | ||
| Reference grease quantity | Gref | 1.4 | cm³ | |
| Preload and stiffness (back-to-back, face-to-face) | ||||
| Preload class A | GA | 73 | N | |
| Static axial stiffness, preload class A | 72 | N/µm | ||
| Preload class B | GB | 220 | N | |
| Static axial stiffness, preload class B | 125 | N/µm | ||
| Preload class C | GC | 440 | N | |
| Static axial stiffness, preload class C | 184 | N/µm | ||
| Calculation factors | ||||
| Calculation factor | f | 1.32 | ||
| Calculation factor | f1 | 1 | ||
| Calculation factor | f2A | 1 | ||
| Calculation factor | f2B | 1.1 | ||
| Calculation factor | f2C | 1.18 | ||
| Calculation factor | fHC | 1.02 | ||
| Calculation factor | f0 | 17.2 | ||
| Mass bearing | 0.12 | kg |
