71918 CE/P4AL
Precision ball bearing > High precision angular contact ball bearing
71918 CE/P4AL - High precision angular contact ball bearing - Precision ball bearing
| Product model | 71918 CE/P4AL |
|---|---|
| d | 90 mm |
| D | 125 mm |
| B | 18 mm |
| Limiting speed | 22000 r/min |
| d1 | 101mm |
| d2 | 97.9mm |
| D1 | 114.22mm |
| Width of lubricating groove (b) | 2.6mm |
| C1 | 9.3mm |
| Distance from the side of the outer ring to the O-ring(C2) | 2.9mm |
| Distance from the side of the outer ring to the O-ring(C3) | 2.9mm |
| r1,2 | min.1.1mm |
| r3,4 | min.0.6mm |
| a | 23.4mm |
| da | min.96mm |
| db | min.93.2mm |
| Da | max.119mm |
| Db | max.121.8mm |
| Fillet radius(ra) | max.1mm |
| Fillet radius(rb) | max.0.6mm |
| Fuel injector position(dn) | 103.5mm |
| Pu | 0.98kN |
| Oil and gas lubrication can reach the speed | 14500r/min |
| Contact angle(α) | 15° |
| Ball diameter(Dw) | 11.112mm |
| The number of pages(z) | 24 |
| Reference grease quantity(Gref) | 7cm³ |
| Preload level A(GA) | 163N |
| Static axial stiffness of preload level A | 65N/µm |
| Preload class B(GB) | 488N |
| Static axial stiffness of preload class B | 102N/µm |
| Preload level C(GC) | 977N |
| Static axial stiffness of preload level C | 141N/µm |
| Correction factor depends on bearing series and size (f) | 1.19 |
| The correction factor depends on the contact angle(f1) | 1 |
| Correction factor, preload class A(f2A) | 1 |
| Correction factor, preload class B(f2B) | 1.04 |
| Correction factor, preload class C(f2C) | 1.08 |
| Correction factor of hybrid ceramic bearing(fHC) | 1 |
| Calculation coefficient(f0) | 8.4 |
| Weight | 0.54kg |
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71918 CE/P4AL / High precision angular contact ball bearing / Precision ball bearing