7020 CD/P4AH1
Precision ball bearing > High precision angular contact ball bearing
7020 CD/P4AH1 - High precision angular contact ball bearing - Precision ball bearing
| Product model | 7020 CD/P4AH1 |
|---|---|
| d | 100 mm |
| D | 150 mm |
| B | 24 mm |
| Limiting speed | 14000 r/min |
| d1 | 115.4mm |
| d2 | 115.4mm |
| D1 | 134.6mm |
| Lubrication hole diameter (K) | 0.5mm |
| C1 | 6.46mm |
| r1,2 | min.1.5mm |
| r3,4 | min.1mm |
| a | 28.8mm |
| da | min.107mm |
| db | min.107mm |
| Da | max.143mm |
| Db | max.146mm |
| Fillet radius(ra) | max.1.5mm |
| Fillet radius(rb) | max.1mm |
| Fuel injector position(dn) | 118.7mm |
| Pu | 3.2kN |
| Oil and gas lubrication can reach the speed | 8500r/min |
| Contact angle(α) | 15° |
| Ball diameter(Dw) | 15.875mm |
| The number of pages(z) | 22 |
| Reference grease quantity(Gref) | 16.2cm³ |
| Preload level A(GA) | 310N |
| Static axial stiffness of preload level A | 112N/µm |
| Preload class B(GB) | 620N |
| Static axial stiffness of preload class B | 153N/µm |
| Preload level C(GC) | 1240N |
| Static axial stiffness of preload level C | 215N/µm |
| Preload level D(GD) | 2480N |
| Static axial stiffness of preload level D | 312N/µm |
| Correction factor depends on bearing series and size (f) | 1.16 |
| 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 |
| Calculation coefficient(f0) | 15.8 |
| Weight | 1.26kg |
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7020 CD/P4AH1 / High precision angular contact ball bearing / Precision ball bearing