NNCF 4956 CV
Precision cylindrical roller bearing > Double row full loaded cylindrical roller bearing
NNCF 4956 CV - Double row full loaded cylindrical roller bearing - Precision cylindrical roller bearing
| Product model | NNCF 4956 CV |
|---|---|
| d | 280 mm |
| D | 380 mm |
| B | 100 mm |
| Limiting speed | 900 r/min |
| Reference speed | 700 r/min |
| d1 | ≈317mm |
| D1 | ≈343mm |
| 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.293mm |
| 轴挡肩直径(das) | 312mm |
| 轴承座挡肩尺寸(Da) | max.368mm |
| 倒角半径(ra) | max.2mm |
| 倒角半径(rb) | max.2mm |
| Fatigue load limit(Pu) | 255kN |
| 计算系数(kr) | 0.25 |
| Weight轴承 | 33.5kg |
Product Details
The NNCF 4956 CV is part of the Double row full loaded cylindrical roller bearing series within our Precision cylindrical roller bearing range. It is engineered for high-performance industrial use and delivers reliable operation under demanding working conditions.
Typical applications include: machine tool spindles, rolling mills, gearboxes and industrial pumps. For detailed dimensions and load ratings, please refer to the specification table above. Contact FIJ for bulk pricing, technical support or customized solutions.
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NNCF 4956 CV / Double row full loaded cylindrical roller bearing / Precision cylindrical roller bearing