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Ball Screws & Actuators Co., Inc.
Manufacturer · San Jose, CA
About Ball Screws & Actuators Co., Inc.
Ball Screws & Actuators Co., Inc. (BSA) is a precision linear motion component manufacturer in San Jose, California, founded in 1971, now operating as Thomson BSA under Thomson Industries (Regal Rexnord). Products include precision lead screws and polymer nuts (Supernuts), ground and rolled ball screws, ball spline shafts, linear actuators, complete screw assemblies, rails and bearings, and custom linear motion assemblies. Specializes in plastic precision nuts and lead screws for medical devices, consumer electronics, semiconductor manufacturing, computer peripherals, material handling, and test/measurement equipment. Products feature ActiveCAM anti-backlash technology. Joined Danaher Motion in 1996; Danaher acquired Thomson Industries in 2002; Thomson merged into Altra Industrial Motion in 2018; Altra acquired by Regal Rexnord in 2022.
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