NNF 5048 B-2LS
Precision cylindrical roller bearing > Double row full loaded cylindrical roller bearing
NNF 5048 B-2LS - Double row full loaded cylindrical roller bearing - Precision cylindrical roller bearing
| Product model | NNF 5048 B-2LS |
|---|---|
| d | 240 mm |
| D | 360 mm |
| B | 160 mm |
| Limiting speed | 340 r/min |
| 外圈宽度（密封圈轴承）(C) | 159mm |
| d1 | ≈282.5mm |
| 外圈止动环槽的直径(D3) | 354mm |
| 外圈外表面的两个止动环槽之间的距离(C1) | 138.2mm |
| 距离公差 C1 | 0.2mm |
| 外圈侧面-止动环槽（密封圈轴承）的距离(C2) | 10.4mm |
| 外圈止动环槽宽度(b) | 6.3mm |
| 外圈润滑槽宽度(b1) | 9.5mm |
| 润滑孔直径（外圈）(K) | 6mm |
| 倒角尺寸 （密封圈轴承）(r) | min.2mm |
| Chamfer dimension (r3,4) | min.1mm |
| 轴挡肩直径(da)min. | min.247mm |
| 轴挡肩直径(das) | 275mm |
| 适用于 SW 止动环的挡肩宽度（密封轴承）(Ca1) | 130mm |
| 挡肩公差 Ca（SW 止动环） | 0.2mm |
| 适用于 DIN 471 止动环的挡肩宽度（密封轴承）(Ca2) | 126mm |
| 挡肩公差 Ca（DIN 471 止动环） | 0.2mm |
| 倒角半径(ra) | max.2mm |
| Fatigue load limit(Pu) | 335kN |
| 计算系数(kr) | 0.4 |
| Weight轴承 | 57.5kg |
Product Details
The NNF 5048 B-2LS 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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NNF 5048 B-2LS / Double row full loaded cylindrical roller bearing / Precision cylindrical roller bearing