W 618/4
Precision ball bearing > Deep groove ball bearing
W 618/4 - Deep groove ball bearing - Precision ball bearing
| Product model | W 618/4 |
|---|---|
| d | 4 mm |
| D | 9 mm |
| B | 2.5 mm |
| Limiting speed | 85000 r/min |
| d1 | ≈5.2 mm |
| D1 | ≈7.5 mm |
| Chamfer size (r1,2) | min.0.1 mm |
| da | min.4.8 mm |
| Da | max.8.2 mm |
| ra | max.0.1 mm |
| Pu | 0.005 kN |
| Reference speed(r/min) | 140 000 r/min |
| kr | 0.02 |
| f0 | 6.5 |
| Radial runout | 0.001 kg |
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W 618/4 / Deep groove ball bearing / Precision ball bearing