3309 DNRCBM
Precision ball bearing > Double row angular contact ball bearing
3309 DNRCBM - Double row angular contact ball bearing - Precision ball bearing
| Product model | 3309 DNRCBM |
|---|---|
| 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) | ≈67.95mm |
| 外圈肩部直径(D1) | ≈86.53mm |
| 外圈止动环槽的直径(D3) | 96.8mm |
| 止动环外径(D4) | 106.5mm |
| 外圈侧面-止动环槽的距离(C) | 3.28mm |
| 外圈止动环槽宽度(b) | 2.7mm |
| 止动环宽度(f) | 2.46mm |
| 止动环槽底部半径(r0) | max.0.6mm |
| 组合式内圈的倒角尺寸(r1,2) | min.1.5mm |
| Distance from load point (a) | 79mm |
| da | min.54mm |
| ra | max.1.5mm |
| Pu | 2.2kN |
| kr | 0.095 |
| Calculation coefficient (e) | 1.14 |
| Calculation coefficient (X) | 0.57 |
| Y0 | 0.52 |
| Y1 | 0.55 |
| Y2 | 0.93 |
| Mass bearing | 1.5kg |
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3309 DNRCBM / Double row angular contact ball bearing / Precision ball bearing