RBC Bearings keeps businesses on a roll. The company makes an array of plain, roller, and ball bearing products. It specializes in regulated bearings used by OEMs, and their aftermarkets, of commercial/military aircraft, automobiles and commercial trucks, industrial/agricultural machinery, as well as air turbines. Targeting high-end markets, its precision lineup satisfies thousands of applications, from engine controls to radar systems, mining tools, and gear pumps. RBC's top customers, including Boeing, Caterpillar, Komatsu America, NASA, and the US Department of Defense, account for more than a quarter of sales. RBC Bearings has grown since 1919 to some 25 manufacturing facilities in Europe and North America.