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Bearing NU321 EM (AST)

Cylindrical Roller Bearings NU321 EM

Bearing number : NU321 EM

Size (mm) : 105x225x49

Brand : AST

Bore Diameter (mm) : 105

Outer Diameter (mm) : 225

Width (mm) : 49

Bearing dimensions and specification in AST catalogue:

(dimensions in mm)

Bearing Type - NU

Bore Dia (d) - 105.0000

Outer Dia (D) - 225.0000

Width (B) - 49.0000

Radius (min) (rs) - 3.000

Dynamic Load Rating (Cr) - 418,000

Static Load Rating (Cor) - 469,000

Max Speed (Grease) (X1000 RPM) - 2

Max Speed (Oil) (X1000 RPM) - 3

Max. Shaft Shoulder Dia. Inner (Li) - 133.0

Min. Housing Shoulder Dia., Outer (Lo) - 201.0

Weight (g) - 9,900.00

Precision - RBEC 1

Standard Clearance - C0

Material - 52100 Chrome steel, or equivalent

Unless otherwise specified, the internal radial clearance is "C0" or "C Normal".

This bearing is also available with the HJ end plate for the inner race.

Suffix definitions are listed in the Nomenclature Technical document.

This bearing is also available with a retaining ring groove in the outer race, and it can be supplied with the ring (suffix NR) or without the ring (suffix N). Please see the Technical Information Sheet for the groove and ring dimensions.

Tags :  AST , 105x225x49