BS ISO 21250-3:2020
$142.49
Rolling bearings. Noise testing of rolling bearing greases – Test and evaluation method MQ
| Published By | Publication Date | Number of Pages |
| BSI | 2020 | 28 |
This document specifies the testing and evaluation method of rolling bearing grease noise in accordance with the method MQ.
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 2 | National foreword |
| 6 | Foreword |
| 7 | Introduction |
| 9 | 1 Scope 2 Normative references 3 Terms and definitions 4 Symbols, abbreviated terms and subscripts |
| 10 | 5 Calculation method 6 Test method MQ 6.1 General information |
| 11 | 6.2 Measuring principle 6.3 Testing procedure 6.3.1 Reference measurement of preserved, ungreased bearings |
| 12 | 6.3.2 Comparison measurement of greased bearings 7 Evaluation of results 7.1 General information 7.2 Description of results 7.2.1 Preserved bearings 7.2.2 Greased bearings |
| 13 | 7.3 Grease noise classes — Rating scale 7.4 Accuracy of results |
| 14 | 7.5 Permissible results in specifications 7.6 Plausibility of results |
| 15 | Annex A (informative) Test machine, test setup, electronic system and test reports: examples |
| 21 | Annex B (normative) Preparation of test bearings and greasing |
| 23 | Annex C (normative) Plausibility of the results |
| 26 | Annex D (informative) Example of grease noise classes rating |
| 27 | Bibliography |
