ISO 21342:2019
International Standard
Current Edition
·
Approved on
30 April 2019
Synchronous belt drives — Automotive belts and pulleys
ISO 21342:2019 Files
English
20 Pages
Current Edition
OMR
63.01
ISO 21342:2019 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.
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