 Most recently, however, NTN partnered with Luoyang LYC to distribute bearings in China, with mass production in the country expected to begin in 2012.NTN USA Corporation, based in Mount Prospect, Illinois, was founded in 1990.It is the United States holding company for several subsidiaries that supply ball, roller & mounted bearings, bearing units, constant velocity joints for the aircraft, automotive, fabrication & forklift fields in addition to power transmission equipment.