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Bearing KP20A (AST)

Airframe Control Ball Bearings: Single and Double Row KP20A

Bearing number : KP20A

Brand : AST

Bore Diameter (mm) : 31,75

Outer Diameter (mm) : 57,15

Bearing dimensions and specification in AST catalogue:

(dimensions in inches)

Bearing Type - KPxxA

Bore Dia (d) - 1.2500

Outer Dia (D) - 2.2500

Outer Width (Bo) - 0.4380

Inner Width (Bi) - 0.5000

Dynamic Load Rating (Cr) - 6,810

Static Load Rating (Cor) - 13,800

Max. Shaft Shoulder Dia. Inner (Li) - 1.5

Ball Qty - 22

Ball Dia (Dw) - 0.2500

Max. shaft corner radius, or 45 deg. chamfer (ch1) - 0.015

Max. housing corner radius, or 45 deg. chamfer (ch) - 0.032

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 7400 pounds.

The static thrust load rating is 6100 pounds.

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

The outside diameter tolerance is +.0000" / -.0010".

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