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NU228-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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NU228-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 : 3360 rpm

Weight : 9.02 kg

 

Main Dimensions:

Bore diameter (d) : 140 mm

Outer diameter ( D) : 250 mm

Width (B) : 42 mm

Chamfer dimension (r) min. : 3.0 mm

Chamfer dimension (r1) min. : 3.0 mm

Permissible axial displacement (S ) max. : 2.0 mm

Raceway diameter of inner ring (F) : 169.00 mm

Dynamic load ratings (Cr) : 415.00 KN

Static load ratings (Cor) : 459.00 KN

 

ABUTMENT DIMENSIONS

Diameter shaft shoulder (da) min. : 154 mm

Diameter shaft shoulder (da) max. : 166 mm

Minimum shaft shoulder (Db) min. : 171 mm

Diameter of housing shoulder (Da) max. : 236 mm

Maximum recess radius (ra) max : 2.5 mm

Maximum recess radius (ra1) max : 2.5 mm

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