7228 BCBM
Precision ball bearing > Single row angular contact ball bearing
7228 BCBM - Single row angular contact ball bearing - Precision ball bearing
| Product model | 7228 BCBM |
|---|---|
| d | 140 mm |
| D | 250 mm |
| B | 42 mm |
| Limiting speed | 3600 r/min |
| Reference speed | 3000 r/min |
| d1 | ≈183.3mm |
| d2 | ≈209.55mm |
| Distance from pressure point (a) | 103mm |
| r1,2 | min.3mm |
| Minimum chamfer size of outer ring(r3,4) | min.1.1mm |
| da | min.154mm |
| Da | max.236mm |
| Db | max.243mm |
| ra | max.2.5mm |
| rb | max.1mm |
| Pu | 6.4kN |
| Calculation coefficient (A) | 0.763 |
| Calculation coefficient (kr) | 0.08 |
| Calculation coefficient(e) | 1.14 |
| Mass bearing | 8.85kg |
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7228 BCBM / Single row angular contact ball bearing / Precision ball bearing