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Homepage>BS ISO 21250-1:2020 Rolling bearings. Noise testing of rolling bearing greases Basic principles, testing assembly and test machine
sklademVydáno: 2020-07-16
BS ISO 21250-1:2020 Rolling bearings. Noise testing of rolling bearing greases Basic principles, testing assembly and test machine

BS ISO 21250-1:2020

Rolling bearings. Noise testing of rolling bearing greases Basic principles, testing assembly and test machine

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Označení normy:BS ISO 21250-1:2020
Počet stran:22
Vydáno:2020-07-16
ISBN:978 0 580 99417 3
Status:Standard
DESCRIPTION

BS ISO 21250-1:2020


This standard BS ISO 21250-1:2020 Rolling bearings. Noise testing of rolling bearing greases is classified in these ICS categories:
  • 21.100.20 Rolling bearings

This document specifies:

  1. basic principles, testing assembly and the test machine for noise testing of rolling bearing greases;

  2. 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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