NNCF 4868 CV
Precision cylindrical roller bearing > Double row full loaded cylindrical roller bearing
NNCF 4868 CV - Double row full loaded cylindrical roller bearing - Precision cylindrical roller bearing
| Product model | NNCF 4868 CV |
|---|---|
| d | 340 mm |
| D | 420 mm |
| B | 80 mm |
| Limiting speed | 750 r/min |
| Reference speed | 600 r/min |
| d1 | ≈368mm |
| D1 | ≈390mm |
| 外圈润滑槽宽度(b1) | 9.4mm |
| 润滑孔直径（外圈）(K) | 5mm |
| 正常位置轴承套圈相对于其他套圈许可轴向位移(s) | max.6mm |
| 倒角尺寸 （开型轴承）(r1,2) | min.2.1mm |
| Chamfer dimension (r3,4) | min.2.1mm |
| 轴挡肩直径(da)min. | min.351mm |
| 轴挡肩直径(das) | 360mm |
| 轴承座挡肩尺寸(Da) | max.410mm |
| 倒角半径(ra) | max.2mm |
| 倒角半径(rb) | max.2mm |
| Fatigue load limit(Pu) | 216kN |
| 计算系数(kr) | 0.2 |
| Weight轴承 | 25kg |
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NNCF 4868 CV / Double row full loaded cylindrical roller bearing / Precision cylindrical roller bearing