New Hampshire Ball Bearings, Inc. (NHBB) is a leading manufacturer of precision bearings and complex bearing assemblies for the aerospace, defense, medical, dental, and high technology markets. NHBB's diverse product mix includes precision miniature and instrument ball bearings, large ball and roller bearings for aircraft engines, and specialized rod end and spherical bearings for diverse aircraft applications. The company operates three manufacturing facilities in the US and employs over 1,500 workers. Founded in Peterborough, NH in 1946, NHBB was purchased in 1985 by the global manufacturing conglomerate, MinebeaMitsumi.