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
58.77 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 7718-2:2025
International Standard
Aircraft — Passenger doors interface requirements for connection of passenger boarding bridge or passenger transfer vehicle — Part 2: Upper deck doors

ISO/IEC/IEEE 32430:2025
International Standard
Software engineering — Software non-functional size measurement



ISO 10218-1:2025
International Standard
Robotics — Safety requirements — Part 1: Industrial robots

ISO 10218-2:2025
International Standard
Robotics — Safety requirements — Part 2: Industrial robot applications and robot cells
