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NJ244-EM single row Cylindrical roller bearing

Short Description:

Single-row cylindrical roller bearings with a cage comprising cylindrical rollers caged between a solid outer and inner ring. These bearings have a high level of rigidity, can support heavy radial loads and are suitable for high speeds.

The outer ring of an NJ cylindrical bearing has two fixed ribs, whereas the inner ring of the cylindrical bearing has one fixed rib. This means that the NJ cylindrical bearing is able to axially locate the shaft in one direction.


Product Detail

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NJ244-EM single row Cylindrical roller bearing detail Specifications:

Material : 52100 Chrome Steel

Construction : Single Row

Cage : Brass Cage

Cage Material : Brass

Limiting Speed : 1960 rpm

Packing : Industrial packing or single box packing

Weight : 37.64 kg

 

Main Dimensions:

Bore diameter (d) : 220 mm

Outer diameter ( D) : 400 mm

Width (B) : 65 mm

Chamfer dimension (r) min. : 4.0 mm

Chamfer dimension (r1) min. : 4.0 mm

Raceway diameter of inner ring (F) : 268 mm

Dynamic load ratings (Cr) : 855.00 KN

Static load ratings (Cor) : 1188.00 KN

 

ABUTMENT DIMENSIONS

Diameter shaft shoulder (da) min. : 237.00 mm

Diameter shaft shoulder (da) max. : 265.00 mm

Diameter of housing shoulder (Da) max. : 383.00 mm

Minimum shaft shoulder (Db) min. : 288.00 mm

Maximum recess radius (ra) max : 3.0 mm

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