With a commitment to quality, Rotek engineers, manufactures and services large diameter slewing ring bearings for use in such equipment as power cranes, excavators, radars, antennas, tunnel-boring machines, industrial robotics and medical diagnostic machines. The company also offers a variety of after the sale services and support programs, including bearing repair and on site bearing inspection. Roteks fully integrated manufacturing facilities include two slewing ring plants and a seamless ring rolling mill. Established in 1962, Rotek has headquarters in Aurora, Ohio, with affiliated slewing ring manufacturers in the United States, Germany, Japan, Spain, Brazil, Italy and Great Britain.