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71907ACB/HCP4A super precision angular contact ball bearing specification
| Designation | 71907-ACB/HCP4A | |
| Category | ||
| Angular contact ball bearing, super-precision | ||
| Dimensions | ||
| d (Bore diameter) | 35 mm | 1.378 in |
| D (Outer diameter) | 55 mm | 2.165 in |
| B (Width) | 10 mm | 0.394 in |
| W (Weight) | 0.074 kg | 0.16 lbs |
| Technical Data | ||
| Cr (kN) Basic dynamic load rating | 4.88 | |
| C0r (kN) Basic static load rating | 3.45 | |
| Fatigue load limit (kN) | 0.106 | |
| Attainable speed for grease lubrication (r/min) | 36 000 | |
| Attainable speed for oil-air lubrication (r/min) | 56 000 | |
| Contact angle | 25 ° | |
| Ball diameter (mm) | 3.969 mm | |
| Number of balls | 25 | |
| Reference grease quantity | 0.96 cm3 | |
| Seal | No | |
| Precision | P4A | |
Extended 71907.ACB.HCP4A angular contact ball bearings 35*55*10
| 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] | |
| 71907 ACB/P4A | 35 | 55 | 10 | 4.88 | 3.45 | 30 000 | 48 000 |
| S71907 ACB/P4A | 35 | 55 | 10 | 4.88 | 3.45 | 30 000 | |
| 71907 ACB/HCP4A | 35 | 55 | 10 | 4.88 | 3.45 | 36 000 | 56 000 |
| S71907 ACB/HCP4A | 35 | 55 | 10 | 4.88 | 3.45 | 36 000 | |
| 71907 CB/P4A | 35 | 55 | 10 | 5.07 | 3.65 | 34 000 | 53 000 |
| S71907 CB/P4A | 35 | 55 | 10 | 5.07 | 3.65 | 34 000 | |
| 71907 CB/HCP4A | 35 | 55 | 10 | 5.07 | 3.65 | 40 000 | 63 000 |
| S71907 CB/HCP4A | 35 | 55 | 10 | 5.07 | 3.65 | 40 000 | |
| 71907 ACE/P4AH | 35 | 55 | 10 | 7.28 | 4.5 | 32 000 | 50 000 |
| 71907 ACE/P4AL | 35 | 55 | 10 | 7.28 | 4.5 | 32 000 | 50 000 |
| S71907 ACE/P4A | 35 | 55 | 10 | 7.28 | 4.5 | 32 000 | |
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