D/W R2
Precision ball bearing > Deep groove ball bearing
D/W R2 - Deep groove ball bearing - Precision ball bearing
| Product model | D/W R2 |
|---|---|
| d | 3.175 mm |
| D | 9.525 mm |
| B | 3.967 mm |
| Limiting speed | 85000 r/min |
| d2 | ≈4.6 mm |
| 肩部直径(D2) | ≈7.98 mm |
| Chamfer size (r1,2) | min.0.3 mm |
| da | min.4.7 mm |
| Da | max.8.1 mm |
| ra | max.0.3 mm |
| pu | 0.005 kN |
| Reference speed | 130 000 r/min |
| kr | 0.025 |
| f0 | 6.3 |
| Radial runout | National Standard |
| Dimensional tolerance | National Standard |
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D/W R2 / Deep groove ball bearing / Precision ball bearing