Reference number
ISO 21342:2019
© ISO 2025
International Standard
ISO 21342:2019
Synchronous belt drives — Automotive belts and pulleys
Edition 1
2019-05
Indisponible en français
Publiée (Edition 1, 2019)

ISO 21342:2019

Langue
Format
CHF 132
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Résumé

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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