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Bearing KP47B (AST)

Airframe Control Ball Bearings: Single and Double Row KP47B

Bearing number : KP47B

Brand : AST

Bore Diameter (mm) : 74,6252

Outer Diameter (mm) : 98,425

Bearing dimensions and specification in AST catalogue:

(dimensions in inches)

Bearing Type - KPxxB

Bore Dia (d) - 2.9380

Outer Dia (D) - 3.8750

Outer Width (Bo) - 0.4690

Inner Width (Bi) - 0.5310

Dynamic Load Rating (Cr) - 6,390

Static Load Rating (Cor) - 24,700

Max. Shaft Shoulder Dia. Inner (Li) - 3.1

Ball Qty - 45

Ball Dia (Dw) - 0.2340

Max. shaft corner radius, or 45 deg. chamfer (ch1) - 0.039

Max. housing corner radius, or 45 deg. chamfer (ch) - 0.039

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 6600 pounds.

The static thrust load rating is 10900 pounds.

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

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