W 638/9-2Z
Precision ball bearing > Deep groove ball bearing
W 638/9-2Z - Deep groove ball bearing - Precision ball bearing
| Product model | W 638/9-2Z |
|---|---|
| d | 9 mm |
| D | 17 mm |
| B | 6 mm |
| Limiting speed | 43000 r/min |
| Reference speed | 85000r/min r/min |
| d2 | 10.7mm |
| D2 | 15.2mm |
| Chamfer Dimension(r1,2) | 0.2mm |
| Shaft shoulder diameter(da)min | 10.3mm |
| Shaft shoulder diameter(da)max | 10.6mm |
| Diameter of bearing seat shoulder(Da) | 15.4mm |
| Chamfer radius of shaft or bearing seat(ra) | 0.2mm |
| Fatigue load limit | 0.014kN |
| Minimum load factor(kr) | 0.02 |
| Calculation coefficient(f0) | 7.7 |
| Mass bearing | 0.005kg |
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W 638/9-2Z / Deep groove ball bearing / Precision ball bearing