The A-Track Series linear actuators from Warner Electric (South Beloit, IL) include a round, ground ball nut, a motor shaft supported by bearings rather than bushings, and limit switch and potentiometer options. The series has four models. All are compact, and will move loads ranging from 25 to 1,330 pounds. They can be located in confined areas and are weatherproof. Maintenance is not required.

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    This article first appeared in the June, 2006 issue of Motion Control Technology Magazine (Vol. 30 No. 6).

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