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S71906ACB/HCP4A super precision angular contact ball bearing specification
| Designation | S71906 ACB/HCP4A | |
| Category | ||
| Angular contact ball bearing, super-precision | ||
| Dimensions | ||
| d (Bore diameter) | 30 mm | 1.181 in |
| D (Outer diameter) | 47 mm | 1.85 in |
| B (Width) | 9 mm | 0.354 in |
| W (Weight) | 0.047 kg | 0.1 lbs |
| Technical Data | ||
| Cr (kN) Basic dynamic load rating | 4.62 | |
| C0r (kN) Basic static load rating | 3 | |
| Fatigue load limit (kN) | 0.093 | |
| Attainable speed for grease lubrication (r/min) | 43 000 | |
| Contact angle | 25 ° | |
| Ball diameter (mm) | 3.969 mm | |
| Number of balls | 22 | |
| Seal | Yes | |
| Precision | P4A | |
Extended S71906.ACB.HCP4A angular contact ball bearings 30*47*9
| 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] | |
| 71906 ACB/P4A | 30 | 47 | 9 | 4.62 | 3 | 36 000 | 56 000 |
| S71906 ACB/P4A | 30 | 47 | 9 | 4.62 | 3 | 36 000 | |
| 71906 ACB/HCP4A | 30 | 47 | 9 | 4.62 | 3 | 43 000 | 67 000 |
| S71906 ACB/HCP4A | 30 | 47 | 9 | 4.62 | 3 | 43 000 | |
| 71906 CB/P4A | 30 | 47 | 9 | 4.88 | 3.15 | 40 000 | 60 000 |
| S71906 CB/P4A | 30 | 47 | 9 | 4.88 | 3.15 | 40 000 | |
| 71906 CB/HCP4A | 30 | 47 | 9 | 4.88 | 3.15 | 48 000 | 75 000 |
| S71906 CB/HCP4A | 30 | 47 | 9 | 4.88 | 3.15 | 48 000 | |
| 71906 ACE/P4AH | 30 | 47 | 9 | 5.27 | 3.1 | 37 000 | 58 000 |
| 71906 ACE/P4AL | 30 | 47 | 9 | 5.27 | 3.1 | 37 000 | 58 000 |
| S71906 ACE/P4A | 30 | 47 | 9 | 5.27 | 3.1 | 37 000 | |
| 71906 ACE/HCP4AH | 30 | 47 | 9 | 5.27 | 3.1 | 44 000 | 70 000 |
| 71906 ACE/HCP4AL | 30 | 47 | 9 | 5.27 | 3.1 | 44 000 | 70 000 |
| S71906 ACE/HCP4A | 30 | 47 | 9 | 5.27 | 3.1 | 44 000 | |
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