71806 ACD/HCP4
Precision ball bearing > High precision angular contact ball bearing
71806 ACD/HCP4 - High precision angular contact ball bearing - Precision ball bearing
| Product model | 71806 ACD/HCP4 |
|---|---|
| d | 30 mm |
| D | 42 mm |
| B | 7 mm |
| Limiting speed | 53000 r/min |
| d1 | 34.1mm |
| d2 | 34.1mm |
| D1 | 38.1mm |
| r1,2 | min.0.3mm |
| r3,4 | min.0.15mm |
| a | 11.9mm |
| da | min.32mm |
| db | min.32mm |
| Da | max.40mm |
| Db | max.41.2mm |
| Fillet radius(ra) | max.0.3mm |
| Fillet radius(rb) | max.0.15mm |
| Fuel injector position(dn) | 34.5mm |
| Pu | 0.11kN |
| Oil and gas lubrication can reach the speed | 34000r/min |
| Contact angle(α) | 25° |
| Ball diameter(Dw) | 3.175mm |
| The number of pages(z) | 23 |
| Reference grease quantity(Gref) | 0.24cm³ |
| Preload level A(GA) | 37N |
| Static axial stiffness of preload level A | 76N/µm |
| Preload class B(GB) | 110N |
| Static axial stiffness of preload class B | 117N/µm |
| Preload level C(GC) | 220N |
| Static axial stiffness of preload level C | 160N/µm |
| Correction factor depends on bearing series and size (f) | 1.14 |
| The correction factor depends on the contact angle(f1) | 0.97 |
| Correction factor, preload class A(f2A) | 1 |
| Correction factor, preload class B(f2B) | 1.09 |
| Correction factor, preload class C(f2C) | 1.17 |
| Correction factor of hybrid ceramic bearing(fHC) | 1.02 |
| Limit value (e) | 0.68 |
| Axial load factor (single shaft, tandem shaft)(Y2) | 0.87 |
| Axial load factor (single shaft, tandem shaft)(Y0) | 0.38 |
| Axial load factor (single shaft, tandem shaft)(X2) | 0.41 |
| Axial load factor (back to back, face to face) (Y1) | 0.92 |
| Axial load factor (back to back, face to face) (Y2) | 1.41 |
| Axial load factor (back to back, face to face) (Y0) | 0.76 |
| Radial load factor (back to back, face to face) (X2) | 0.67 |
| Weight | 0.024kg |
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71806 ACD/HCP4 / High precision angular contact ball bearing / Precision ball bearing