ABMA: American Bearing Manufacturers Association

ABMA is a national trade association consisting of manufacturers of bearings, and components thereof who manufacture in the United States. ABMA has published a complete set of Standards for anti-friction ball and roller bearings and balls. These Standards were prepared by ABMA's Bearing Technical Committee and have received the approval of the participating companies as well as the American National Standards Institute (ANSI) and/or the International Standards Organization (ISO).