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708CD/P4AH super precision angular contact ball bearing specification
| Designation | 708 CD/P4AH | |
| Category | ||
| Angular contact ball bearing, super-precision | ||
| Dimensions | ||
| d (Bore diameter) | 8 mm | 0.315 in |
| D (Outer diameter) | 22 mm | 0.866 in |
| B (Width) | 7 mm | 0.276 in |
| W (Weight) | 0.012 kg | 0.026 lbs |
| Technical Data | ||
| Cr (kN) Basic dynamic load rating | 3.25 kN | |
| C0r (kN) Basic static load rating | 1.37 kN | |
| Fatigue load limit | 0.057 kN | |
| Attainable speed for grease lubrication | 90 000 r/min | |
| Attainable speed for oil-air lubrication | 130 000 r/min | |
| Contact angle | 15 ° | |
| Ball diameter | 3.969 mm | |
| Number of balls | 9 | |
| Reference grease quantity | 0.15 cm3 | |
About 708-CD/P4AH bearing 8*22*7 mm
| Category | Angular contact ball Bearing, super precision |
| Overview | high running accuracy, high-speed performance and high system rigidity, super-precision angular contact ball bearings are ideal for machine tools and other precision applications such as rolling mills, racing cars and marine vessels. The bearings also minimize noise, vibration and heat generation. |
| Applicaton | High speed rolling mills Printing machinery Precision ball screws Live centres High speed turbochargers |
Extended 708.CD.P4AH angular contact ball bearings
| Designation | Principal dimensions | Basic load ratings | Attainable speeds | ||||
| dynamic | static | Grease lubrication | Oil-air lubrication | ||||
| d[in] | D[in] | B[in] | C[lbf] | C0[lbf] | [r/min] | [r/min] | |
| 708 ACE/P4A | 0.315 | 0.866 | 0.276 | 515 | 172 | 98 000 | 150 000 |
| 708 ACE/P4AH | 0.315 | 0.866 | 0.276 | 515 | 172 | 98 000 | 150 000 |
| 708 ACE/HCP4A | 0.315 | 0.866 | 0.276 | 515 | 172 | 115 000 | 180 000 |
| 708 ACE/HCP4AH | 0.315 | 0.866 | 0.276 | 515 | 172 | 115 000 | 180 000 |
| 708 CE/P4A | 0.315 | 0.866 | 0.276 | 526 | 180 | 109 000 | 165 000 |
| 708 CE/P4AH | 0.315 | 0.866 | 0.276 | 526 | 180 | 109 000 | 165 000 |
| 708 CE/HCP4A | 0.315 | 0.866 | 0.276 | 526 | 180 | 130 000 | 200 000 |
| 708 CE/HCP4AH | 0.315 | 0.866 | 0.276 | 526 | 180 | 130 000 | 200 000 |
| 708 ACD/P4A | 0.315 | 0.866 | 0.276 | 717 | 301 | 80 000 | 120 000 |
| 708 ACD/P4AH | 0.315 | 0.866 | 0.276 | 717 | 301 | 80 000 | 120 000 |
| 708 ACD/HCP4A | 0.315 | 0.866 | 0.276 | 717 | 301 | 95 000 | 150 000 |
| 708 ACD/HCP4AH | 0.315 | 0.866 | 0.276 | 717 | 301 | 95 000 | 150 000 |
| 708 CD/P4A | 0.315 | 0.866 | 0.276 | 731 | 308 | 90 000 | 130 000 |
| 708 CD/P4AH | 0.315 | 0.866 | 0.276 | 731 | 308 | 90 000 | 130 000 |
| 708 CD/HCP4A | 0.315 | 0.866 | 0.276 | 731 | 308 | 110 000 | 160 000 |
| 708 CD/HCP4AH | 0.315 | 0.866 | 0.276 | 731 | 308 | 110 000 | 160 000 |
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