ISO-21342 › Synchronous belt drives - Automotive belts and pulleys
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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.
To find similar documents by classification:
21.220.10 (Belt drives and their components)
43.060.10 (Engine block and internal components)
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Document Number
ISO 21342:2019
Revision Level
1ST EDITION
Status
Current
Publication Date
May 1, 2019
Committee Number
ISO/TC 41/SC 4