618/630 MA
Precision ball bearing > Deep groove ball bearing
618/630 MA - Deep groove ball bearing - Precision ball bearing
| Product model | 618/630 MA |
|---|---|
| d | 630 mm |
| D | 780 mm |
| B | 69 mm |
| Limiting speed | 1100 r/min |
| Reference speed | 1400r/min r/min |
| d1 | 678.3mm |
| D1 | 731.45mm |
| Chamfer Dimension(r1,2) | 4mm |
| Shaft shoulder diameter(da)min | 645mm |
| Diameter of bearing seat shoulder(Da) | 765mm |
| Chamfer radius of shaft or bearing seat(ra) | 3mm |
| Fatigue load limit | 15.3kN |
| Minimum load factor(kr) | 0.015 |
| Calculation coefficient(f0) | 17.3 |
| Mass bearing | 73kg |
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618/630 MA / Deep groove ball bearing / Precision ball bearing