Draft of Egyptian standard ES 4979 “Rolling bearings — Radial needle roller and cage assemblies — Boundary dimensions, geometrical product specifications (GPS) and tolerance values"

来源：epingalert 发布时间：2025-01-10 浏览量：*

通告成员：

Egypt

通告类型：

TBT

通告发布时间：

2025-01-10

评议截止时间：

2025-03-11

通告描述：

This draft of Egyptian standard specifies the boundary dimensions for radial needle roller and cage assemblies.

In addition, this document gives the tolerances for the cage width and method of functional gauging of bore diameter of needle roller complement.

Informative values for the tolerances of shaft raceway, housing raceway and raceway widths are given in Annex A. Functional gauging of radial needle roller and cage assembly is given in Annex B.

Worth mentioning is that this draft standard adopts the technical content of ISO 3030:2022

文档编号：

G/TBT/N/EGY/517

查看文档：

原文文档翻译文档

ICS Code：

21.100.20 - Rolling bearings

通告目的：

Quality requirements (TBT)

Draft of Egyptian standard ES 4979 “Rolling bearings — Radial needle roller and cage assemblies — Boundary dimensions, geometrical product specifications (GPS) and tolerance values"

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