7007 CD/HCP4A
Precision ball bearing > High precision angular contact ball bearing
7007 CD/HCP4A - High precision angular contact ball bearing - Precision ball bearing
| Product model | 7007 CD/HCP4A |
|---|---|
| d | 35 mm |
| D | 62 mm |
| B | 14 mm |
| Limiting speed | 43000 r/min |
| d1 | 43.7mm |
| d2 | 43.7mm |
| D1 | 53.3mm |
| r1,2 | min.1mm |
| r3,4 | min.0.3mm |
| a | 13.6mm |
| da | min.39.6mm |
| db | min.39.6mm |
| Da | max.57.4mm |
| Db | max.60mm |
| Fillet radius(ra) | max.1mm |
| Fillet radius(rb) | max.0.3mm |
| Fuel injector position(dn) | 45.3mm |
| Pu | 0.29kN |
| Oil and gas lubrication can reach the speed | 28000r/min |
| Contact angle(α) | 15° |
| Ball diameter(Dw) | 7.938mm |
| The number of pages(z) | 16 |
| Reference grease quantity(Gref) | 1.98cm³ |
| Preload level A(GA) | 60N |
| Static axial stiffness of preload level A | 39N/µm |
| Preload class B(GB) | 120N |
| Static axial stiffness of preload class B | 52N/µm |
| Preload level C(GC) | 240N |
| Static axial stiffness of preload level C | 71N/µm |
| Preload level D(GD) | 480N |
| Static axial stiffness of preload level D | 100N/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) | 1.05 |
| Correction factor, preload class D(f2D) | 1.09 |
| Correction factor of hybrid ceramic bearing(fHC) | 1.02 |
| Calculation coefficient(f0) | 9.7 |
| Weight | 0.13kg |
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7007 CD/HCP4A / High precision angular contact ball bearing / Precision ball bearing