71801 CD/HCP4
Precision ball bearing > High precision angular contact ball bearing
71801 CD/HCP4 - High precision angular contact ball bearing - Precision ball bearing
| Product model | 71801 CD/HCP4 |
|---|---|
| d | 12 mm |
| D | 21 mm |
| B | 5 mm |
| Limiting speed | 130000 r/min |
| d1 | 15.1mm |
| d2 | 15.1mm |
| D1 | 18.1mm |
| r1,2 | min.0.3mm |
| r3,4 | min.0.15mm |
| a | 4.7mm |
| da | min.14mm |
| db | min.14mm |
| Da | max.19mm |
| Db | max.20.2mm |
| Fillet radius(ra) | max.0.3mm |
| Fillet radius(rb) | max.0.15mm |
| Fuel injector position(dn) | 15.4mm |
| Pu | 0.036kN |
| Oil and gas lubrication can reach the speed | 85000r/min |
| Contact angle(α) | 15° |
| Ball diameter(Dw) | 2.381mm |
| The number of pages(z) | 14 |
| Reference grease quantity(Gref) | 0.07cm³ |
| Preload level A(GA) | 11N |
| Static axial stiffness of preload level A | 17N/µm |
| Preload class B(GB) | 33N |
| Static axial stiffness of preload class B | 28N/µm |
| Preload level C(GC) | 66N |
| Static axial stiffness of preload level C | 41N/µm |
| Correction factor depends on bearing series and size (f) | 1.06 |
| The correction factor depends on the contact angle(f1) | 1 |
| Correction factor, preload class A(f2A) | 1 |
| Correction factor, preload class B(f2B) | 1.1 |
| Correction factor, preload class C(f2C) | 1.18 |
| Correction factor of hybrid ceramic bearing(fHC) | 1.02 |
| Calculation coefficient(f0) | 15.4 |
| Weight | 0.006kg |
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71801 CD/HCP4 / High precision angular contact ball bearing / Precision ball bearing