S71912 CE/P4A
Precision ball bearing > High precision angular contact ball bearing
S71912 CE/P4A - High precision angular contact ball bearing - Precision ball bearing
| Product model | S71912 CE/P4A |
|---|---|
| d | 60 mm |
| D | 85 mm |
| B | 13 mm |
| d1 | 67.75mm |
| d2 | 65.7mm |
| D2 | 79.7mm |
| r1,2 | min.1mm |
| r3,4 | min.0.3mm |
| a | 16.2mm |
| da | max.67.2mm |
| db | max.65.1mm |
| Da | max.80.4mm |
| Db | max.83mm |
| Fillet radius(ra) | max.1mm |
| Fillet radius(rb) | max.0.3mm |
| Pu | 0.5kN |
| Oil and gas lubrication can reach the speed | 22000r/min |
| Contact angle(α) | 15° |
| Ball diameter(Dw) | 7.938mm |
| The number of pages(z) | 23 |
| Preload level A(GA) | 87N |
| Static axial stiffness of preload level A | 47N/µm |
| Preload class B(GB) | 262N |
| Static axial stiffness of preload class B | 73N/µm |
| Preload level C(GC) | 523N |
| Static axial stiffness of preload level C | 100N/µm |
| Correction factor depends on bearing series and size (f) | 1.13 |
| The correction factor depends on the contact angle(f1) | 1 |
| Correction factor, preload class A(f2A) | 1 |
| Correction factor, preload class B(f2B) | 1.04 |
| Correction factor, preload class C(f2C) | 1.08 |
| Correction factor of hybrid ceramic bearing(fHC) | 1 |
| Calculation coefficient(f0) | 8.4 |
| Weight | 0.19kg |
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S71912 CE/P4A / High precision angular contact ball bearing / Precision ball bearing