638/5-2Z
Precision ball bearing > Deep groove ball bearing
638/5-2Z - Deep groove ball bearing - Precision ball bearing
| Product model | 638/5-2Z |
|---|---|
| d | 5 mm |
| D | 11 mm |
| B | 5 mm |
| Limiting speed | 60000 r/min |
| Reference speed | 120000r/min r/min |
| d2 | 6.2mm |
| D2 | 9.9mm |
| Chamfer Dimension(r1,2) | 0.15mm |
| Shaft shoulder diameter(da)min | 5.8mm |
| Shaft shoulder diameter(da)max | 6mm |
| Diameter of bearing seat shoulder(Da) | 10.2mm |
| Chamfer radius of shaft or bearing seat(ra) | 0.1mm |
| Fatigue load limit | 0.006kN |
| Minimum load factor(kr) | 0.015 |
| Calculation coefficient(f0) | 7.1 |
| Mass bearing | 0.0018kg |
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638/5-2Z / Deep groove ball bearing / Precision ball bearing