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NNC 4856 CV - Precision cylindrical roller bearing - Double row full loaded cylindrical roller bearing

Product modelNNC 4856 CV
d280 mm
D350 mm
B69 mm
Limiting speed950 r/min
Reference speed750 r/min
d1≈308mm
D1≈326mm
Outer ring lubrication groove width (b1)8mm
Lubrication hole diameter (outer ring) (K)4mm
Chamfer dimension, open bearing (r1,2)min.2mm
Shaft shoulder diameter (da) min.min.290mm
Shaft shoulder diameter (das)299mm
Housing shoulder dimension (Da)max.341mm
Chamfer radius (ra)max.2mm
Fatigue load limit(Pu)173kN
Calculation factor (kr)0.2
Bearing weight16kg

Product Details

The NNC 4856 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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NNC 4856 CV / Double row full loaded cylindrical roller bearing / Precision cylindrical roller bearing