International Standard
ISO 21342:2019
Synchronous belt drives — Automotive belts and pulleys
Reference number
ISO 21342:2019
Edition 1
2019-05
© ISO 2024
International Standard
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Published (Edition 1, 2019)

ISO 21342:2019

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Language
CHF 129
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Abstract

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.

General information

  • Status
     : Published
    Publication date
     : 2019-05
    Stage
    : International Standard under systematic review [90.20]
  • Edition
     : 1
    Number of pages
     : 20
  • Technical Committee :
    ISO/TC 41/SC 4
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