3309 DMA
Precision ball bearing > Double row angular contact ball bearing
3309 DMA - Double row angular contact ball bearing - Precision ball bearing
| Product model | 3309 DMA |
|---|---|
| d | 45 mm |
| D | 100 mm |
| B | 39.7 mm |
| Limiting speed | 6300 r/min |
| Reference speed | 7500 r/min |
| 组合式内圈的肩部直径(d1) | ≈70mm |
| 外圈肩部直径(D1) | ≈86.35mm |
| 组合式内圈的倒角尺寸(r1,2) | min.1.5mm |
| Distance from load point (a) | 93mm |
| da | min.54mm |
| Da | max.91mm |
| ra | max.1.5mm |
| Pu | 3kN |
| kr | 0.095 |
| Calculation coefficient (e) | 1.34 |
| Calculation coefficient (X) | 0.54 |
| Y0 | 0.44 |
| Y1 | 0.47 |
| Y2 | 0.81 |
| Mass bearing | 1.63kg |
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3309 DMA / Double row angular contact ball bearing / Precision ball bearing