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7008CE/HCP4AH1 super precision angular contact ball bearing specification
| Designation | 7008 CE/HCP4AH1 | |
| Category | ||
| Angular contact ball bearing, super-precision | ||
| Dimensions | ||
| d (Bore diameter) | 40 mm | 1.575 in |
| D (Outer diameter) | 68 mm | 2.677 in |
| B (Width) | 15 mm | 0.591 in |
| W (Weight) | 0.17 kg | 0.37 lbs |
| Technical Data | ||
| Cr (kN) Basic dynamic load rating | 12.4 | |
| C0r (kN) Basic static load rating | 7.65 | |
| Fatigue load limit (kN) | 0.236 | |
| Attainable speed for grease lubrication (r/min) | 36 000 | |
| Attainable speed for oil-air lubrication (r/min) | 56 000 | |
| Contact angle | 15 ° | |
| Ball diameter (mm) | 7.144 mm | |
| Number of balls | 19 | |
| Reference grease quantity | 2.8 cm3 | |
| Seal | No | |
| Precision | P4 | |
Extended 7008.CE.HCP4AH1 angular contact ball bearing 40*68*15
| 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] | |
| S7008 CB/P4A | 40 | 68 | 15 | 7.41 | 5.6 | 28 000 | |
| 7008 CB/HCP4A | 40 | 68 | 15 | 7.41 | 5.6 | 34 000 | 53 000 |
| 7008 CB/HCP4AL | 40 | 68 | 15 | 7.41 | 5.6 | 34 000 | 53 000 |
| S7008 CB/HCP4A | 40 | 68 | 15 | 7.41 | 5.6 | 34 000 | |
| 7008 ACE/P4AH1 | 40 | 68 | 15 | 11.7 | 7.2 | 27 000 | 41 000 |
| 7008 ACE/P4AL | 40 | 68 | 15 | 11.7 | 7.2 | 27 000 | 41 000 |
| 7008 ACE/P4AL1 | 40 | 68 | 15 | 11.7 | 7.2 | 27 000 | 41 000 |
| 7008 ACE/HCP4AH1 | 40 | 68 | 15 | 11.7 | 7.2 | 32 000 | 50 000 |
| 7008 ACE/HCP4AL | 40 | 68 | 15 | 11.7 | 7.2 | 32 000 | 50 000 |
| 7008 ACE/HCP4AL1 | 40 | 68 | 15 | 11.7 | 7.2 | 32 000 | 50 000 |
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