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NNU 4156 M/W33 - Precision cylindrical roller bearing - Double row cylindrical roller bearing

Product modelNNU 4156 M/W33
d280 mm
D460 mm
B180 mm
Limiting speed1500 r/min
Reference speed1200 r/min
D1≈407mm
内圈滚道直径(F)326mm
环形槽宽度(b)13.9mm
润滑孔直径(K)7.5mm
外圈r1,2min.5mm
内圈倒角尺寸(r3,4)min.5mm
正常位置轴承套圈相对于其他套圈许可轴向位移(s)max.6.3mm
隔套挡肩直径(da)max.318mm
dbmin.330mm
隔套/Damax.440mm
倒角半径(ra)max.4mm
倒角半径(rb)max.4mm
Fatigue load limit(Pu)440kN
计算系数(kr)0.34
Weight轴承120kg

Product Details

The NNU 4156 M/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 4156 M/W33 / Double row cylindrical roller bearing / Precision cylindrical roller bearing