71948 CD/HCP4AL
Precision ball bearing > High precision angular contact ball bearing
71948 CD/HCP4AL - High precision angular contact ball bearing - Precision ball bearing
| Product model | 71948 CD/HCP4AL |
|---|---|
| d | 240 mm |
| D | 320 mm |
| B | 38 mm |
| Limiting speed | 7000 r/min |
| d1 | 264.7mm |
| d2 | 264.7mm |
| D1 | 295.3mm |
| Width of lubricating groove (b) | 3.5mm |
| C1 | 20.9mm |
| Distance from the side of the outer ring to the O-ring(C2) | 7.1mm |
| Distance from the side of the outer ring to the O-ring(C3) | 5.45mm |
| r1,2 | min.2.1mm |
| r3,4 | min.1mm |
| a | 56.6mm |
| da | min.251mm |
| db | min.251mm |
| Da | max.309mm |
| Db | max.315mm |
| Fillet radius(ra) | max.2mm |
| Fillet radius(rb) | max.1mm |
| Fuel injector position(dn) | 271.4mm |
| Pu | 6kN |
| Oil and gas lubrication can reach the speed | 4500r/min |
| Contact angle(α) | 15° |
| Ball diameter(Dw) | 25.4mm |
| The number of pages(z) | 31 |
| Reference grease quantity(Gref) | 93cm³ |
| Weight | 5.98kg |
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71948 CD/HCP4AL / High precision angular contact ball bearing / Precision ball bearing