1 Scope
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.