This document specifies the characteristics of synchronous endless belts and their related pulleys for use in automotive applications such as engine camshaft drives.
The characteristics include:
-- belt pitch spacing;
-- belt nominal tooth dimensions;
-- belt width and width tolerance;
-- belt pitch length and pitch length tolerance;
-- pulley groove dimensions and tolerances;
-- pulley tolerances and quality specifications.
Test methods for measuring belt pitch length and lateral runout are also included.