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71903CE/HCP4AH super precision angular contact ball bearing specification
| Designation | 71903 CE/HCP4AH | |
| Category | ||
| Angular contact ball bearing, super-precision | ||
| Dimensions | ||
| d (Bore diameter) | 17 mm | 0.669 in |
| D (Outer diameter) | 30 mm | 1.181 in |
| B (Width) | 7 mm | 0.276 in |
| W (Weight) | 0.014 kg | 0.031 lbs |
| Technical Data | ||
| Cr (kN) Basic dynamic load rating | 3.32 | |
| C0r (kN) Basic static load rating | 1.56 | |
| Fatigue load limit (kN) | 0.067 | |
| Attainable speed for grease lubrication (r/min) | 83 000 | |
| Attainable speed for oil-air lubrication (r/min) | 127 000 | |
| Contact angle | 15 ° | |
| Ball diameter (mm) | 3.969 mm | |
| Number of balls | 13 | |
| Reference grease quantity | 0.2 cm3 | |
| Seal | No | |
| Precision | P4 | |
Extended 71903.CE.HCP4AH angular contact ball bearings 17*30*7
| 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] | |
| 71903 ACE/P4AH | 17 | 30 | 7 | 3.19 | 1.46 | 63 000 | 95 000 |
| 71903 ACE/HCP4AH | 17 | 30 | 7 | 3.19 | 1.46 | 75 000 | 115 000 |
| 71903 CE/P4AH | 17 | 30 | 7 | 3.32 | 1.56 | 70 000 | 106 000 |
| 71903 CE/HCP4AH | 17 | 30 | 7 | 3.32 | 1.56 | 83 000 | 127 000 |
| S71903 ACD/P4A | 17 | 30 | 7 | 3.97 | 2 | 45 000 | |
| S71903 ACD/HCP4A | 17 | 30 | 7 | 3.97 | 2 | 53 000 | |
| S71903 CD/P4A | 17 | 30 | 7 | 4.16 | 2.08 | 50 000 | |
| S71903 CD/HCP4A | 17 | 30 | 7 | 4.16 | 2.08 | 63 000 | |
| 71903 ACD/P4A | 17 | 30 | 7 | 48 000 | 75 000 | ||
| 71903 CD/P4A | 17 | 30 | 7 | 53 000 | 80 000 | ||
| 71903 ACD/HCP4A | 17 | 30 | 7 | 56 000 | 90 000 | ||
| 71903 ACE/P4A | 17 | 30 | 7 | 63 000 | 95 000 | ||
| 71903 CD/HCP4A | 17 | 30 | 7 | 63 000 | 100 000 | ||
| 71903 CE/P4A | 17 | 30 | 7 | 70 000 | 106 000 | ||
| 71903 ACE/HCP4A | 17 | 30 | 7 | 75 000 | 115 000 | ||
| 71903 CE/HCP4A | 17 | 30 | 7 | 83 000 | 127 000 | ||
| 7003 ACE/P4AH | 17 | 35 | 10 | 5.59 | 2.45 | 56 000 | 88 000 |
| 7003 ACE/HCP4AH | 17 | 35 | 10 | 5.59 | 2.45 | 68 000 | 103 000 |
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