NN, Inc. engages in the manufacture and sale of metal bearing, plastic and rubber, and precision metal components for bearing manufacturers worldwide. It operates in three segments: Metal Bearing Components, Plastic and Rubber Components, and Precision Metal Components. The Metal Bearing Components segment manufactures precision steel balls that are used primarily by manufacturers of anti-friction bearings; steel rollers comprising tapered rollers used in automotive gearbox applications, automotive wheel bearings, and various industrial applications; cylindrical rollers; and precision metal retainers for roller bearings. The Plastic and Rubber Components segment offers precision bearing seals for use in the automotive, industrial, agricultural, and mining markets; precision plastic retainers for ball and roller bearings used in various industrial applications; and precision plastic components, including automotive under-the-hood components, electronic instrument cases, precision electronic connectors and lenses, and various specialized industrial and consumer parts. The Precision Metal Components segment provides engineered shafts, fluid power assemblies, and complex precision assembled and tested parts used in the automotive, HVAC, fluid power, and diesel engine markets. The company was founded in 1980 and is based in Johnson City, Tennessee.