Chuck Yung
EASA Senior Technical Support Specialist

There are applications where the end float inherent to a sleeve bearing machine is not desirable, and some means of limiting the axial movement is needed. This is usually accomplished by selecting an appropriate coupling and relying on the driven equipment to prevent axial movement of the motor shaft. 

The gear-hub style of coupling can be end-float limited by installing a “hockey-puck” spacer. The grid-style coupling can be limited by spacers inserted on both sides. 

Regardless of coupling style, unless the driven equipment has some internal means to limit end float, there are circumstances where some external means of preventing axial movement is needed.

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Categories: AC motors, Bearings, Sleeve bearings, Miscellaneous, Couplings, Repair procedures and tips

Tags: Sleeve bearings End float End play

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