W 638/3 R-2Z
Precision ball bearing > Deep groove ball bearing
W 638/3 R-2Z - Deep groove ball bearing - Precision ball bearing
| Product model | W 638/3 R-2Z |
|---|---|
| d | 3 mm |
| D | 7 mm |
| B | 3 mm |
| Limiting speed | 80000 r/min |
| d2 | ≈3.85 mm |
| D2 | ≈6.35 mm |
| D3 | 8.1 mm |
| C | 0.8 mm |
| Chamfer size (r1,2) | min.0.1 mm |
| da | min.3.7 mm/max.3.8 mm |
| ra | max.0.1 mm |
| Pu | 0.002 kN |
| Reference speed | 160 000 r/min |
| kr | 0.02 |
| f0 | 7.1 |
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W 638/3 R-2Z / Deep groove ball bearing / Precision ball bearing