BS ISO 21250-4:2020

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Rolling bearings. Noise testing of rolling bearing greases – Test and evaluation method NQ

Published By	Publication Date	Number of Pages
BSI	2020	18

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Categories: 21.100.20 - Rolling bearings, BSI

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Description

This document specifies the testing and evaluation method of rolling bearing grease noise in accordance with the method NQ.

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PDF Pages	PDF Title
2	undefined
6	Foreword
7	Introduction
8	1 Scope 2 Normative references 3 Terms and definitions
9	4 Symbols, abbreviated terms and subscripts 5 Calculation method 5.1 Signal processing 5.2 Peak detection
11	6 Test method NQ 6.1 Measuring principle 6.2 Testing procedure
12	7 Evaluation of results
13	Annex A (informative) Test machine
16	Annex B (informative) Calibration
17	Bibliography

Additional information

Status	Definitive
Pages	18
Publication Date	2020-07-15
ISBN	978 0 580 51961 1
Standard Number	BS ISO 21250-4:2020
Title	Rolling bearings. Noise testing of rolling bearing greases – Test and evaluation method NQ
Identical National Standard Of	ISO 21250-4
Descriptors	Bearings, Rolling bearings, Testing, Grease, Evaluation, Tests
Publisher	BSI
Committee	MCE/7
ICS Codes	21.100.20 - Rolling bearings

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BS ISO 21250-4:2020

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