71906 CB/P4A
Precision ball bearing > High precision angular contact ball bearing
71906 CB/P4A - High precision angular contact ball bearing - Precision ball bearing
| Product model | 71906 CB/P4A |
|---|---|
| d | 30 mm |
| D | 47 mm |
| B | 9 mm |
| Limiting speed | 60000 r/min |
| d1 | 35.95mm |
| d2 | 35.1mm |
| D2 | 43mm |
| r1,2 | min.0.3mm |
| r3,4 | min.0.15mm |
| a | 9.7mm |
| da | min.32mm |
| db | min.32mm |
| Da | max.45mm |
| Db | max.46.2mm |
| Fillet radius(ra) | max.0.3mm |
| Fillet radius(rb) | max.0.15mm |
| Fuel injector position(dn) | 36.6mm |
| Pu | 0.134kN |
| Oil and gas lubrication can reach the speed | 40000r/min |
| Contact angle(α) | 15° |
| Ball diameter(Dw) | 3.969mm |
| The number of pages(z) | 22 |
| Reference grease quantity(Gref) | 0.72cm³ |
| Preload level A(GA) | 16N |
| Static axial stiffness of preload level A | 20N/µm |
| Preload class B(GB) | 32N |
| Static axial stiffness of preload class B | 27N/µm |
| Preload level C(GC) | 96N |
| Static axial stiffness of preload level C | 43N/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) | 1.02 |
| Correction factor, preload class C(f2C) | 1.07 |
| Correction factor of hybrid ceramic bearing(fHC) | 1 |
| Calculation coefficient(f0) | 9.4 |
| Weight | 0.047kg |
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71906 CB/P4A / High precision angular contact ball bearing / Precision ball bearing