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NNU 4888 KM/W33 - Precision cylindrical roller bearing - Double row cylindrical roller bearing

Product modelNNU 4888 KM/W33
d440 mm
D540 mm
B100 mm
Limiting speed1100 r/min
Reference speed1000 r/min
D1≈505mm
内圈滚道直径(F)470mm
环形槽宽度(b)16.7mm
润滑孔直径(K)9mm
外圈r1,2min.2.1mm
正常位置轴承套圈相对于其他套圈许可轴向位移(s)max.3.5mm
隔套挡肩直径(da)max.464mm
隔套/Damax.529mm
倒角半径(ra)max.1.5mm
Fatigue load limit(Pu)186kN
计算系数(kr)0.12
Weight轴承46kg

Product Details

The NNU 4888 KM/W33 is part of the Double row 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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NNU 4888 KM/W33 / Double row cylindrical roller bearing / Precision cylindrical roller bearing