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NNU 4176 M - Precision cylindrical roller bearing - Double row cylindrical roller bearing

Product modelNNU 4176 M
d380 mm
D620 mm
B243 mm
Limiting speed1100 r/min
Reference speed850 r/min
D1≈550mm
内圈滚道直径(F)442mm
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.7.4mm
隔套挡肩直径(da)max.434mm
dbmin.447mm
隔套/Damax.600mm
倒角半径(ra)max.4mm
倒角半径(rb)max.4mm
Fatigue load limit(Pu)680kN
计算系数(kr)0.33
Weight轴承285kg

Product Details

The NNU 4176 M 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 4176 M / Double row cylindrical roller bearing / Precision cylindrical roller bearing