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ISO 21342:2019

Synchronous belt drives - Automotive belts and pulleys
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ISO 21342:2019

Synchronous belt drives - Automotive belts and pulleys

PUBLISH DATE 2019
ISO 21342:2019

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.

SDO ISO: International Organization for Standardization
Document Number ISO 21342
Publication Date May 1, 2019
Language en - English
Page Count
Revision Level
Supercedes
Committee ISO/TC 41/SC 4
Publish Date Document Id Type View
May 1, 2019 ISO 21342:2019 Revision