71907 CB/P4A
Precision ball bearing > High precision angular contact ball bearing
71907 CB/P4A - High precision angular contact ball bearing - Precision ball bearing
| Product model | 71907 CB/P4A |
|---|---|
| d | 35 mm |
| D | 55 mm |
| B | 10 mm |
| Limiting speed | 53000 r/min |
| d1 | 42.46mm |
| d2 | 41.56mm |
| D2 | 49.5mm |
| r1,2 | min.0.6mm |
| r3,4 | min.0.3mm |
| a | 11.1mm |
| da | min.38.2mm |
| db | min.38.2mm |
| Da | max.51.8mm |
| Db | max.53mm |
| Fillet radius(ra) | max.0.6mm |
| Fillet radius(rb) | max.0.3mm |
| Fuel injector position(dn) | 43mm |
| Pu | 0.156kN |
| Oil and gas lubrication can reach the speed | 34000r/min |
| Contact angle(α) | 15° |
| Ball diameter(Dw) | 3.969mm |
| The number of pages(z) | 25 |
| Reference grease quantity(Gref) | 0.96cm³ |
| Preload level A(GA) | 17N |
| Static axial stiffness of preload level A | 23N/µm |
| Preload class B(GB) | 34N |
| Static axial stiffness of preload class B | 29N/µm |
| Preload level C(GC) | 100N |
| Static axial stiffness of preload level C | 47N/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) | 1.02 |
| Correction factor, preload class C(f2C) | 1.07 |
| Correction factor of hybrid ceramic bearing(fHC) | 1 |
| Calculation coefficient(f0) | 9.6 |
| Weight | 0.078kg |
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71907 CB/P4A / High precision angular contact ball bearing / Precision ball bearing