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NU 221 ECP - Precision cylindrical roller bearing - Single row cylindrical roller bearing

Product modelNU 221 ECP
d105 mm
D190 mm
B36 mm
Limiting speed4300 r/min
Reference speed3800 r/min
D1≈164.2mm
F125mm
r1,2min.2.1mm
Chamfer dimension (r3,4)min.2.1mm
Allowable axial displacement (s)max.2mm
damax.122mm
dbmin.128mm
Damax.177.3mm
ramax.2mm
rbmax.2mm
Fatigue load limit(Pu)36.5kN
Minimum load factor(kr)0.15
Limit value (e)0.2
Axial load factor (Y)0.6
Weight3.96kg

Product Details

The NU 221 ECP is part of the Single 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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NU 221 ECP / Single row cylindrical roller bearing / Precision cylindrical roller bearing