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ABEC/ISO Bearing Standards are primarily concerned with tolerances that affect “Fit and Form”; however, they do not go into enough depth to truly control “Function”. Examples of things NOT covered by ABEC/ISO Standards are such parameters as raceway surface finish; cross-raceway, curvature deviation; ball and ring materials; ball complement and number; ball cage design; lubrication; torque; noise and other factors that may be essential to your bearing performance. We will work with you to understand your requirements and help you put together a “Part Number Recipe” and a “Quality Manufacturer” to deliver the performance you require for your application.

111 Barnett Hill Road, Walpole, NH 03608 • Ph: 603-756-2500 • Fax: 603-756-2530