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.