306728
Precision ball bearing > Deep groove ball bearing
306728 - Deep groove ball bearing - Precision ball bearing
| Product model | 306728 |
|---|---|
| d | 330 mm |
| D | 460 mm |
| B | 56 mm |
| Limiting speed | 1700 r/min |
| Reference speed | 2600r/min r/min |
| d1 | 378.1mm |
| D1 | 421.62mm |
| Chamfer Dimension(r1,2) | 3mm |
| Shaft shoulder diameter(da)min | 343mm |
| Diameter of bearing seat shoulder(Da) | 447mm |
| Chamfer radius of shaft or bearing seat(ra) | 2.5mm |
| Fatigue load limit | 9kN |
| Minimum load factor(kr) | 0.02 |
| Calculation coefficient(f0) | 17 |
| Mass bearing | 30kg |
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306728 / Deep groove ball bearing / Precision ball bearing