T/ZZB 2978-2022 Active Group standards

T/ZZB 2978-2022 Rolling Bearings Ball Bearings for Automotive Engine Tensioner and Idler Pulley Applications

T/ZZB 2978-2022 Ball bearing is used for tension and idler wheels in automotive engines. Rolling bearing

Publish Date: 2022-12-08 Implement Date: 2022-12-31 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Price: $ 20.00

Out of stock

Basic Information

Standard Code: T/ZZB 2978-2022

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: Rolling bearings

ICS Name: Rolling bearings

Publish Date: 2022-12-08

Implement Date: 2022-12-31

Scope

Main technical content: This document specifies the terms and definitions, code method and structural types, basic requirements, technical requirements, test methods, inspection rules, marking, packaging, transportation, storage, and quality commitments for ball bearings used in automotive engine tensioners and idlers. This document is applicable to ball bearings with an outer diameter of 30 mm ≤ d ≤ 100 mm, and pulley types such as stamped and injection-molded ones, used in automotive engine tensioners and idlers (hereinafter referred to as bearings).