GSO ISO 21250-1:2023
ISO 21250-1:2020
Gulf Standard
Current Edition
·
Approved on
10 September 2023
Rolling bearings — Noise testing of rolling bearing greases — Part 1: Basic principles, testing assembly and test machine
GSO ISO 21250-1:2023 Files
English
13 Pages
Current Edition
Reference Language
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GSO ISO 21250-1:2023 Scope
This document specifies:
— basic principles, testing assembly and the test machine for noise testing of rolling bearing greases;
— symbols used in the test methods BQ+, MQ and NQ.
This document is applicable for testing rolling bearing greases, especially of unused grease.
NOTE Suitable greases are greases of NLGI classes 1 to 3 according to DIN 51818[6]. Suitable greases for lubrication of rolling bearings are especially greases according to ISO 12924. The test method according to this document delivers meaningful results for rolling bearings; however, it can also be applied for greases in similar applications[12][13].
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