7011 CE/P4A
Precision ball bearing > High precision angular contact ball bearing
7011 CE/P4A - High precision angular contact ball bearing - Precision ball bearing
| Product model | 7011 CE/P4A |
|---|---|
| d | 55 mm |
| D | 90 mm |
| B | 18 mm |
| Limiting speed | 34000 r/min |
| d1 | 67.73mm |
| d2 | 65.6mm |
| D1 | 77.25mm |
| r1,2 | min.1.1mm |
| r3,4 | min.0.6mm |
| a | 18.8mm |
| da | min.61mm |
| db | min.61mm |
| Da | max.84mm |
| Db | max.85.8mm |
| Fillet radius(ra) | max.1mm |
| Fillet radius(rb) | max.0.6mm |
| Fuel injector position(dn) | 69.6mm |
| Pu | 0.52kN |
| Oil and gas lubrication can reach the speed | 22000r/min |
| Contact angle(α) | 15° |
| Ball diameter(Dw) | 7.938mm |
| The number of pages(z) | 24 |
| Reference grease quantity(Gref) | 5cm³ |
| Preload level A(GA) | 90N |
| Static axial stiffness of preload level A | 46N/µm |
| Preload class B(GB) | 270N |
| Static axial stiffness of preload class B | 72N/µm |
| Preload level C(GC) | 540N |
| Static axial stiffness of preload level C | 98N/µm |
| Correction factor depends on bearing series and size (f) | 1.07 |
| The correction factor depends on the contact angle(f1) | 1 |
| Correction factor, preload class A(f2A) | 1 |
| Correction factor, preload class B(f2B) | 1.03 |
| Correction factor, preload class C(f2C) | 1.05 |
| Correction factor of hybrid ceramic bearing(fHC) | 1 |
| Calculation coefficient(f0) | 8.4 |
| Weight | 0.39kg |
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7011 CE/P4A / High precision angular contact ball bearing / Precision ball bearing