638/8-2Z
Precision ball bearing > Deep groove ball bearing
638/8-2Z - Deep groove ball bearing - Precision ball bearing
| Product model | 638/8-2Z |
|---|---|
| d | 8 mm |
| D | 16 mm |
| B | 6 mm |
| Limiting speed | 45000 r/min |
| Reference speed | 90000r/min r/min |
| d2 | 9.65mm |
| D2 | 14.2mm |
| Chamfer Dimension(r1,2) | 0.2mm |
| Shaft shoulder diameter(da)min | 9.4mm |
| Shaft shoulder diameter(da)max | 9.5mm |
| Diameter of bearing seat shoulder(Da) | 14.6mm |
| Chamfer radius of shaft or bearing seat(ra) | 0.2mm |
| Fatigue load limit | 0.012kN |
| Minimum load factor(kr) | 0.015 |
| Calculation coefficient(f0) | 7.5 |
| Mass bearing | 0.0043kg |
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638/8-2Z / Deep groove ball bearing / Precision ball bearing