S7208 CD/P4A
Precision ball bearing > High precision angular contact ball bearing
S7208 CD/P4A - High precision angular contact ball bearing - Precision ball bearing
| Product model | S7208 CD/P4A |
|---|---|
| d | 40 mm |
| D | 80 mm |
| B | 18 mm |
| d1 | 53.3mm |
| d2 | 53.3mm |
| D2 | 69.7mm |
| r1,2 | min.1.1mm |
| r3,4 | min.0.6mm |
| a | 17.1mm |
| da | max.52.5mm |
| db | max.52.5mm |
| Da | max.73mm |
| Db | max.75.8mm |
| Fillet radius(ra) | max.1mm |
| Fillet radius(rb) | max.0.6mm |
| Pu | 1.02kN |
| Oil and gas lubrication can reach the speed | 18000r/min |
| Contact angle(α) | 15° |
| Ball diameter(Dw) | 11.112mm |
| The number of pages(z) | 14 |
| Preload level A(GA) | 125N |
| Static axial stiffness of preload level A | 53N/µm |
| Preload class B(GB) | 250N |
| Static axial stiffness of preload class B | 71N/µm |
| Preload level C(GC) | 500N |
| Static axial stiffness of preload level C | 100N/µm |
| Preload level D(GD) | 1000N |
| Static axial stiffness of preload level D | 143N/µm |
| Correction factor depends on bearing series and size (f) | 1.05 |
| 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) | 1.05 |
| Correction factor of hybrid ceramic bearing(fHC) | 1 |
| Calculation coefficient(f0) | 14.4 |
| Weight | 0.38kg |
Request a Quote for this Product
S7208 CD/P4A / High precision angular contact ball bearing / Precision ball bearing