BH GSO ISO 21342:2023

ISO 21342:2019
Bahraini Standard   Current Edition · Approved on 10 December 2023

Synchronous belt drives — Automotive belts and pulleys

BH GSO ISO 21342:2023 Files

BH GSO ISO 21342:2023 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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