D/W R155
Precision ball bearing > Deep groove ball bearing
D/W R155 - Deep groove ball bearing - Precision ball bearing
| Product model | D/W R155 |
|---|---|
| d | 3.967 mm |
| D | 7.938 mm |
| B | 2.779 mm |
| Limiting speed | 90000 r/min |
| d1 | ≈5.53 mm |
| D1 | ≈7 mm |
| Chamfer size (r1,2) | min.0.1 mm |
| da | min.4.8 mm |
| Da | max.7.1 mm |
| ra | max.0.1 mm |
| pu | 0.003 kN |
| Reference speed | 140 000 r/min |
| kr | 0.02 |
| f0 | 7.6 |
| Radial runout | National Standard |
| Dimensional tolerance | National Standard |
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D/W R155 / Deep groove ball bearing / Precision ball bearing