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 |
Product Details
The 618/630 MA is part of the Deep groove ball bearing series within our Precision ball bearing range. It is engineered for high-performance industrial use and delivers reliable operation under demanding working conditions.
Typical applications include: electric motors, pumps, gearboxes, agricultural machinery and automotive systems. For detailed dimensions and load ratings, please refer to the specification table above. Contact FIJ for bulk pricing, technical support or customized solutions.
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618/630 MA / Deep groove ball bearing / Precision ball bearing