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Bearing DW4K2 (AST)

Airframe Control Ball Bearings: Single and Double Row DW4K2

Bearing number : DW4K2

Brand : AST

Bore Diameter (mm) : 6,35

Outer Diameter (mm) : 15,875

Bearing dimensions and specification in AST catalogue:

(dimensions in inches)

Bearing Type - DWKxx

Bore Dia (d) - 0.2500

Outer Dia (D) - 0.6250

Outer Width (Bo) - 0.5000

Inner Width (Bi) - 0.5620

Dynamic Load Rating (Cr) - 960

Static Load Rating (Cor) - 1,400

Max. Shaft Shoulder Dia. Inner (Li) - 0.3

Ball Qty - 16

Ball Dia (Dw) - 0.0930

Max. shaft corner radius, or 45 deg. chamfer (ch1) - 0.005

Max. housing corner radius, or 45 deg. chamfer (ch) - 0.016

Material - 52100 Chrome steel or equivalent

The dynamic load rating given is for outer race rotation. The dynamic load rating for inner race rotation is 1050 pounds.

The static thrust load rating is 500 pounds.

The bore diameter tolerance is +.0000 / -.0005".

The outside diameter tolerance is +.0000" / -.0005".

The tolerance for the inner race width and the outer race width is +.000" / -.005"

The load ratings listed for these bearings are determined by the formulas used specifically for airframe bearings. These ratings are not equivalent to ratings calculated from the ABMA formulas used for most antifriction bearing products.

This bearing is intended for commercial applications. You must notify the AST sales department contact at the time of your inquiry if the bearing will be used in an airworthy application.

The bearing has two removable seals made of woven fabric Teflon.

Tags :  AST