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ISO 21250:2020
ISO 21250:2020 Rolling bearings – Noise testing of rolling bearing greases – Part 1: Basic principles, testing assembly and test machine
CDN $173.00
Description
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].
Edition
1
Published Date
2020-07-13
Status
PUBLISHED
Pages
13
Language
English
Format
Secure PDF
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Abstract
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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