Reference number
ISO 21250-1:2020
ISO 21250-1:2020
© ISO 2025
International Standard
ISO 21250-1:2020
Rolling bearings — Noise testing of rolling bearing greases — Part 1: Basic principles, testing assembly and test machine
Edition 1
2020-07
2020-07
ISO 21250-1:2020
ISO 21250-1:2020
70245
CHF
98
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Résumé
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].
Informations générales
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État actuel: PubliéeDate de publication: 2020-07Stade: Norme internationale publiée [60.60]
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Edition: 1
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Comité technique :ISO/TC 4/SC 13ICS :21.100.20
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