S71902 CD/HCP4A
Precision ball bearing > High precision angular contact ball bearing
S71902 CD/HCP4A - High precision angular contact ball bearing - Precision ball bearing
| Product model | S71902 CD/HCP4A |
|---|---|
| d | 15 mm |
| D | 28 mm |
| B | 7 mm |
| d1 | 18.9mm |
| d2 | 18.9mm |
| D2 | 25.8mm |
| r1,2 | min.0.3mm |
| r3,4 | min.0.2mm |
| a | 6.4mm |
| da | max.18.5mm |
| db | max.18.5mm |
| Da | max.26mm |
| Db | max.26.6mm |
| Fillet radius(ra) | max.0.3mm |
| Fillet radius(rb) | max.0.2mm |
| Pu | 0.06kN |
| Oil and gas lubrication can reach the speed | 70000r/min |
| Contact angle(α) | 15° |
| Ball diameter(Dw) | 3.969mm |
| The number of pages(z) | 13 |
| Preload level A(GA) | 15N |
| Static axial stiffness of preload level A | 18N/µm |
| Preload class B(GB) | 30N |
| Static axial stiffness of preload class B | 23N/µm |
| Preload level C(GC) | 60N |
| Static axial stiffness of preload level C | 32N/µm |
| Preload level D(GD) | 120N |
| Static axial stiffness of preload level D | 45N/µm |
| Correction factor depends on bearing series and size (f) | 1.05 |
| The correction factor depends on the contact angle(f1) | 1 |
| Correction factor, preload class A(f2A) | 1 |
| Correction factor, preload class B(f2B) | 1.07 |
| Correction factor, preload class C(f2C) | 1.12 |
| Correction factor, preload class D(f2D) | 1.18 |
| Correction factor of hybrid ceramic bearing(fHC) | 1.04 |
| Calculation coefficient(f0) | 9.6 |
| Weight | 0.014kg |
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S71902 CD/HCP4A / High precision angular contact ball bearing / Precision ball bearing