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NU344-EM single row Cylindrical roller bearing

Short Description:

Single row cylindrical roller bearings are are separable meaning the bearing ring with the roller and cage assembly can be separated from the other ring. This bearing designed to accommodate high radial loads in combination with high speeds. Having two integral flanges on the outer ring and no flanges on the inner ring, NU design bearings can accommodate axial displacement in both directions.


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NU344-EM single row Cylindrical roller bearing detail Specifications:

Material : 52100 Chrome Steel

Construction : Single Row

Seal Type  : open type

Cage : Brass Cage

Cage Material : Brass

Limiting Speed : 1820 rpm

Packing : Industrial packing or single box packing

Weight : 74.34 kg

 

Main Dimensions:

Bore diameter (d) : 220 mm

Outer diameter ( D) : 460 mm

Width (B) : 88 mm

Chamfer dimension (r) min. : 5.0 mm

Chamfer dimension (r1) min. : 5.0 mm

Permissible axial displacement (S ) max. : 7.0 mm

Raceway diameter of inner ring (F) : 282 mm

Dynamic load ratings (Cr) : 1287.00 KN

Static load ratings (Cor) : 1710.00 KN

 

ABUTMENT DIMENSIONS

Diameter shaft shoulder (da) min. : 240 mm

Diameter shaft shoulder (da) max. : 279 mm

Minimum shaft shoulder (Db) min. : 285 mm

Diameter of housing shoulder (Da) max. : 440 mm

Maximum recess radius (ra) max : 4.0 mm

Maximum recess radius (ra1) max : 4.0 mm

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