7228 ACD/P4A
Precision ball bearing > High precision angular contact ball bearing
7228 ACD/P4A - High precision angular contact ball bearing - Precision ball bearing
| Product model | 7228 ACD/P4A |
|---|---|
| d | 140 mm |
| D | 250 mm |
| B | 42 mm |
| Limiting speed | 7500 r/min |
| d1 | 176.8mm |
| d2 | 176.8mm |
| D1 | 213.2mm |
| r1,2 | min.3mm |
| r3,4 | min.1.5mm |
| a | 66.7mm |
| da | min.154mm |
| db | min.154mm |
| Da | max.236mm |
| Db | max.241mm |
| Fillet radius(ra) | max.2.5mm |
| Fillet radius(rb) | max.1.5mm |
| Fuel injector position(dn) | 184.8mm |
| Pu | 6.95kN |
| Oil and gas lubrication can reach the speed | 5000r/min |
| Contact angle(α) | 25° |
| Ball diameter(Dw) | 30.162mm |
| The number of pages(z) | 18 |
| Reference grease quantity(Gref) | 83.931cm³ |
| Weight | 8.14kg |
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7228 ACD/P4A / High precision angular contact ball bearing / Precision ball bearing