ISO 21342:2019

International Standard   Current Edition · Approved on 30 April 2019

Synchronous belt drives — Automotive belts and pulleys

ISO 21342:2019 Files

English 20 Pages
Current Edition
63.18 OMR

ISO 21342:2019 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.

Best Sellers

GSO 150-2:2013
 
Gulf Standard
Expiration dates for food products - Part 2 : Voluntary expiration dates
OS GSO 150-2:2013
GSO 150-2:2013 
Omani Standard
Expiration dates for food products - Part 2 : Voluntary expiration dates
OS GSO 2055-1:2015
GSO 2055-1:2015 
Omani Standard
HALAL FOOD - Part 1 : General Requirements
GSO 2055-1:2015
 
Gulf Technical Regulation
HALAL FOOD - Part 1 : General Requirements

Recently Published

ISO 9241-171:2025
 
International Standard
Ergonomics of human-system interaction — Part 171: Software accessibility
ISO 21557:2025
 
International Standard
Mining — Mining methods — Classification and specification
ISO 8347:2025
 
International Standard
Measurement procedures associated with the chain of custody in native tropical forest management areas
ISO 37306:2025
 
International Standard
Liquid petroleum products — Determination of distillation characteristics at atmospheric pressure — Micro-distillation