Bearing B542DD AST

Airframe Control Ball Bearings: Single and Double Row B542DD

Bearing number : B542DD

Brand : AST

Bore Diameter mm : 33,3375

Outer Diameter mm : 44,45

Bearing dimensions and specification in brand catalogue :

dimensions in inches

Bearing Type - BxxxDD

Bore Dia d - 1.3125

Outer Dia D - 1.7500

Outer Width Bo - 0.2500

Inner Width Bi - 0.2810

Dynamic Load Rating Cr - 2,130

Static Load Rating Cor - 5,950

Max. Shaft Shoulder Dia. Inner Li - 1.5

Ball Qty - 38

Ball Dia Dw - 0.1250

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

Max. housing corner radius, or 45 deg. chamfer ch - 0.015

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 2220 pounds.

The static thrust load rating is 2700 pounds.

The bore diameter tolerance is +.0007 / -.0007".

The outside diameter tolerance is +.000" / -.001".

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.