Description
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71930ACD/HCP4AL super precision angular contact ball bearing specification:
| Designation | 71930-ACD/HCP4AL | |
| Category | ||
| Angular contact ball bearing, super-precision | ||
| Dimensions | ||
| d (Bore diameter) | 150 mm | 5.906 in |
| D (Outer diameter) | 210 mm | 8.268 in |
| B (Width) | 28 mm | 1.102 in |
| W (Weight) | 2.08 kg | 4.59 lbs |
| Technical Data | ||
| Cr (kN) Basic dynamic load rating | 108 | |
| C0r (kN) Basic static load rating | 125 | |
| Fatigue load limit (kN) | 2.9 | |
| Attainable speed for grease lubrication (r/min) | 6700 | |
| Attainable speed for oil-air lubrication (r/min) | 10000 | |
| Contact angle | 25 ° | |
| Ball diameter (mm) | 19.05 mm | |
| Number of balls | 23 | |
| Reference grease quantity | 35 cm3 | |
| Seal | No | |
| Precision | P4A | |
71930.ACD.HCP4AL angular contact ball bearing 150*210*28
| Designation | Principal dimensions | Basic load ratings | Attainable speeds | ||||
| dynamic | static | Grease lubrication | Oil-air lubrication | ||||
| d[mm] | D[mm] | B[mm] | C[kN] | C0[kN] | [r/min] | [r/min] | |
| 71830 ACD/HCP4 | 150 | 190 | 20 | 48.8 | 68 | 6 300 | 10 000 |
| 71830 ACD/P4 | 150 | 190 | 20 | 48.8 | 68 | 5 300 | 8 500 |
| 71830 CD/HCP4 | 150 | 190 | 20 | 52 | 72 | 7 000 | 11 000 |
| 71830 CD/P4 | 150 | 190 | 20 | 52 | 72 | 6 000 | 9 000 |
| 71930 ACD/HCP4A | 150 | 210 | 28 | 108 | 125 | 6 700 | 10 000 |
| 71930 ACD/HCP4AH1 | 150 | 210 | 28 | 108 | 125 | 6 700 | 10 000 |
| 71930 ACD/HCP4AL | 150 | 210 | 28 | 108 | 125 | 6 700 | 10 000 |
| 71930 ACD/P4A | 150 | 210 | 28 | 108 | 125 | 5 600 | 8 500 |
| 71930 ACD/P4AH1 | 150 | 210 | 28 | 108 | 125 | 5 600 | 8 500 |
| 71930 ACD/P4AL | 150 | 210 | 28 | 108 | 125 | 5 600 | 8 500 |
| 71930 CD/HCP4A | 150 | 210 | 28 | 114 | 132 | 7 500 | 11 000 |
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