D/W R2A
Precision ball bearing > Deep groove ball bearing
D/W R2A - Deep groove ball bearing - Precision ball bearing
| Product model | D/W R2A |
|---|---|
| d | 3.175 mm |
| D | 12.7 mm |
| B | 4.366 mm |
| Limiting speed | 80000 r/min |
| d2 | ≈4.6 mm |
| 肩部直径(D2) | ≈8.2 mm |
| Chamfer size (r1,2) | min.0.3 mm |
| da | min.4 mm |
| Da | max.10.7 mm |
| ra | max.0.3 mm |
| pu | 0.005 kN |
| Reference speed | 130 000 r/min |
| kr | 0.015 |
| f0 | 6.5 |
| Radial runout | National Standard |
| Dimensional tolerance | National Standard |
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D/W R2A / Deep groove ball bearing / Precision ball bearing