{"id":265426,"date":"2024-10-19T17:42:21","date_gmt":"2024-10-19T17:42:21","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-iso-21250-42020\/"},"modified":"2024-10-25T13:39:36","modified_gmt":"2024-10-25T13:39:36","slug":"bs-iso-21250-42020","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-iso-21250-42020\/","title":{"rendered":"BS ISO 21250-4:2020"},"content":{"rendered":"
This document specifies the testing and evaluation method of rolling bearing grease noise in accordance with the method NQ.<\/p>\n
PDF Pages<\/th>\n | PDF Title<\/th>\n<\/tr>\n | ||||||
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2<\/td>\n | undefined <\/td>\n<\/tr>\n | ||||||
6<\/td>\n | Foreword <\/td>\n<\/tr>\n | ||||||
7<\/td>\n | Introduction <\/td>\n<\/tr>\n | ||||||
8<\/td>\n | 1 Scope 2 Normative references 3 Terms and definitions <\/td>\n<\/tr>\n | ||||||
9<\/td>\n | 4 Symbols, abbreviated terms and subscripts 5 Calculation method 5.1 Signal processing 5.2 Peak detection <\/td>\n<\/tr>\n | ||||||
11<\/td>\n | 6 Test method NQ 6.1 Measuring principle 6.2 Testing procedure <\/td>\n<\/tr>\n | ||||||
12<\/td>\n | 7 Evaluation of results <\/td>\n<\/tr>\n | ||||||
13<\/td>\n | Annex A (informative) Test machine <\/td>\n<\/tr>\n | ||||||
16<\/td>\n | Annex B (informative) Calibration <\/td>\n<\/tr>\n | ||||||
17<\/td>\n | Bibliography <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":" Rolling bearings. Noise testing of rolling bearing greases – Test and evaluation method NQ<\/b><\/p>\n |