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NNC 4960 CV - Precision cylindrical roller bearing - Double row full loaded cylindrical roller bearing

Product modelNNC 4960 CV
d300 mm
D420 mm
B118 mm
Limiting speed800 r/min
Reference speed670 r/min
d1≈341mm
D1≈374mm
Outer ring lubrication groove width (b1)9.4mm
Lubrication hole diameter (outer ring) (K)5mm
Chamfer dimension, open bearing (r1,2)min.3mm
Shaft shoulder diameter (da) min.min.315mm
Shaft shoulder diameter (das)328mm
Housing shoulder dimension (Da)max.406mm
Chamfer radius (ra)max.2.5mm
Fatigue load limit(Pu)355kN
Calculation factor (kr)0.25
Bearing weight53kg

Product Details

The NNC 4960 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 4960 CV / Double row full loaded cylindrical roller bearing / Precision cylindrical roller bearing