W 638/2.5-2Z
Precision ball bearing > Deep groove ball bearing
W 638/2.5-2Z - Deep groove ball bearing - Precision ball bearing
| Product model | W 638/2.5-2Z |
|---|---|
| d | 2.5 mm |
| D | 6 mm |
| B | 2.6 mm |
| Limiting speed | 85000 r/min |
| d1 | ≈3.7 mm |
| d2 | ≈3.7 mm |
| D2 | ≈5.4 mm |
| Chamfer size (r1,2) | min.0.08 mm |
| da | max.3.6 mm |
| Da | max.5.5 mm |
| ra | max.0.08 mm |
| pu | 0.002 kN |
| Reference speed | 170 000 r/min |
| kr | 0.02 |
| f0 | 7.1 |
| Radial runout | National Standard |
| Dimensional tolerance | National Standard |
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W 638/2.5-2Z / Deep groove ball bearing / Precision ball bearing