NNCL 4912 CV
Precision cylindrical roller bearing > Double row full loaded cylindrical roller bearing
NNCL 4912 CV - Double row full loaded cylindrical roller bearing - Precision cylindrical roller bearing
| Product model | NNCL 4912 CV |
|---|---|
| d | 60 mm |
| D | 85 mm |
| B | 25 mm |
| Limiting speed | 4500 r/min |
| Reference speed | 3600 r/min |
| d1 | ≈70.5mm |
| E | 77.51mm |
| 外圈润滑槽宽度(b1) | 4.5mm |
| 润滑孔直径（外圈）(K) | 3.5mm |
| 正常位置轴承套圈相对于其他套圈许可轴向位移(s) | max.1mm |
| 倒角尺寸 （开型轴承）(r1,2) | min.1mm |
| 轴挡肩直径(da)min. | min.64.7mm |
| 轴承座挡肩尺寸(Da) | max.80.5mm |
| 倒角半径(ra) | max.1mm |
| Fatigue load limit(Pu) | 14.3kN |
| 计算系数(kr) | 0.25 |
| Weight轴承 | 0.47kg |
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NNCL 4912 CV / Double row full loaded cylindrical roller bearing / Precision cylindrical roller bearing