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NNC 4838 CV - Precision cylindrical roller bearing - Double row full loaded cylindrical roller bearing

Product modelNNC 4838 CV
d190 mm
D240 mm
B50 mm
Limiting speed1400 r/min
Reference speed1100 r/min
d1≈209mm
D1≈219mm
Outer ring lubrication groove width (b1)7mm
Lubrication hole diameter (outer ring) (K)4mm
Chamfer dimension, open bearing (r1,2)min.1.5mm
Shaft shoulder diameter (da) min.min.197mm
Shaft shoulder diameter (das)203mm
Housing shoulder dimension (Da)max.233mm
Chamfer radius (ra)max.1.5mm
Fatigue load limit(Pu)76.5kN
Calculation factor (kr)0.2
Bearing weight5.65kg

Product Details

The NNC 4838 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 4838 CV / Double row full loaded cylindrical roller bearing / Precision cylindrical roller bearing