S7205 CD/HCP4A
Precision ball bearing > High precision angular contact ball bearing
S7205 CD/HCP4A - High precision angular contact ball bearing - Precision ball bearing
| Product model | S7205 CD/HCP4A |
|---|---|
| d | 25 mm |
| D | 52 mm |
| B | 15 mm |
| d1 | 34.1mm |
| d2 | 34.1mm |
| D2 | 45.9mm |
| r1,2 | min.1mm |
| r3,4 | min.0.3mm |
| a | 12.8mm |
| da | max.33.5mm |
| db | max.33.5mm |
| Da | max.46.4mm |
| Db | max.49.6mm |
| Fillet radius(ra) | max.1mm |
| Fillet radius(rb) | max.0.3mm |
| Pu | 0.224kN |
| Oil and gas lubrication can reach the speed | 38000r/min |
| Contact angle(α) | 15° |
| Ball diameter(Dw) | 7.938mm |
| The number of pages(z) | 13 |
| Preload level A(GA) | 50N |
| Static axial stiffness of preload level A | 32N/µm |
| Preload class B(GB) | 100N |
| Static axial stiffness of preload class B | 42N/µm |
| Preload level C(GC) | 200N |
| Static axial stiffness of preload level C | 58N/µm |
| Preload level D(GD) | 400N |
| Static axial stiffness of preload level D | 80N/µm |
| Correction factor depends on bearing series and size (f) | 1.03 |
| The correction factor depends on the contact angle(f1) | 1 |
| Correction factor, preload class A(f2A) | 1 |
| Correction factor, preload class B(f2B) | 1.01 |
| Correction factor, preload class C(f2C) | 1.03 |
| Correction factor, preload class D(f2D) | 1.06 |
| Correction factor of hybrid ceramic bearing(fHC) | 1.01 |
| Calculation coefficient(f0) | 9.1 |
| Weight | 0.12kg |
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S7205 CD/HCP4A / High precision angular contact ball bearing / Precision ball bearing