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- 71808 ACD/HCP4
71808 ACD/HCP4 Bearing | Loyal
71808 ACD/HCP4 PDF download| 71808 ACD/HCP4 interchange SKF 71808 ACD/HCP4 | |
| 71808 ACD/HCP4 cross reference SKF 71808 ACD/HCP4 | |
| 71808 ACD/HCP4 Equivalent bearing interchange guide： | |
| Price： | enquiry |
| Model Number： | 71808 ACD/HCP4 |
| D | 52 mm |
| d | 40 mm |
| B | 7 mm |
| a | 14.3 mm |
| Ball - z | 29 |
| Size (mm) | 52x40x7 |
| Width (mm) | 7 |
| Mass bearing | 0.029 kg |
| dn | 44.5 mm |
| dn | 44.5 mm |
| D1 | 48.1 mm |
| d1 | 44.1 mm |
| d2 | 44.1 mm |
| D1 | 48.1 mm |
| d2 | 44.1 mm |
| d1 | 44.1 mm |
| Bearing number | 71808 ACD/HCP4 |
| Preload class A | 93 N/micron |
| Gref | 0.31 cm3 |
| Preload class C | 197 N/micron |
| Preload class B | 145 N/micron |
| Number of balls z | 29 |
| Bore Diameter (mm) | 52 |
| rb max. | 0.15 mm |
| ra max. | 0.3 mm |
| Db max. | 51.2 mm |
| Da max. | 50 mm |
| da min. | 42 mm |
| db min. | 42 mm |
| Outer Diameter (mm) | 40 |
| Db - max. | 51.2 mm |
| da - min. | 42 mm |
| Calculation factor e | 0.68 |
| Calculation factor f | 1.23 |
| rb - max. | 0.15 mm |
| Da - max. | 50 mm |
| ra - max. | 0.3 mm |
| r3,4 min. | 0.15 mm |
| r1,2 min. | 0.3 mm |
| Ball - Dw | 3.175 mm |
| db - min. | 42 mm |
| r1,2 - min. | 0.3 mm |
| r3,4 - min. | 0.15 mm |
| Calculation factor - e | 0.68 |
| Calculation factor - f | 1.23 |
| Basic dynamic load rating C | 4.49 kN |
| Ball diameter Dw | 3.175 mm |
| Preload class B GB | 120 N |
| Preload class C GC | 240 N |
| Basic dynamic load rating - C | 4.5 kN |
| Preload class A GA | 40 N |
| Preload class B - GB | 120 N |
| Preload class C - GC | 240 N |
| Preload class A - GA | 40 N |
| Fatigue load limit Pu | 0.196 kN |
| Calculation factor f1 | 0.97 |
| Calculation factor f2C | 1.17 |
| Calculation factor f2A | 1 |
| Calculation factor fHC | 1.02 |
| Calculation factor f2B | 1.09 |
| Limiting speed for oil lubrication | 43000 mm/min |
| Fatigue load limit - Pu | 0.196 kN |
| Calculation factor - f1 | 0.97 |
| Calculation factor - Y2 | 1.41 |
| Calculation factor - X2 | 0.67 |
| Calculation factor - Y1 | 0.92 |
| Calculation factor - Y0 | 0.76 |
| Calculation factor - fHC | 1.02 |
| Calculation factor - f2A | 1 |
| Calculation factor - f2C | 1.17 |
| Calculation factor - f2B | 1.09 |
| Limiting speed for grease lubrication | 28000 r/min |
| Basic static load rating C0 | 4.55 kN |
| Static axial stiffness, preload class B | 145 N/µm |
| Static axial stiffness, preload class A | 93 N/µm |
| Attainable speed for grease lubrication | 28000 r/min |
| Static axial stiffness, preload class C | 197 N/µm |
| Basic static load rating - C0 | 4.6 kN |
| Attainable speed for oil-air lubrication | 43000 r/min |
| Reference grease quantity Gref | 0.31 cm³ |
| Calculation factor (single, tandem) Y2 | 0.87 |
| Calculation factor (single, tandem) Y0 | 0.38 |
| Calculation factor (single, tandem) X2 | 0.41 |
| Calculation factor (back-to-back, face-to-face) Y1 | 0.92 |
| Calculation factor (back-to-back, face-to-face) Y2 | 1.41 |
| Calculation factor (back-to-back, face-to-face) Y0 | 0.76 |
| Calculation factor (back-to-back, face-to-face) X2 | 0.67 |
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