{"id":265404,"date":"2024-10-19T17:42:15","date_gmt":"2024-10-19T17:42:15","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-iso-21250-32020\/"},"modified":"2024-10-25T13:39:27","modified_gmt":"2024-10-25T13:39:27","slug":"bs-iso-21250-32020","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-iso-21250-32020\/","title":{"rendered":"BS ISO 21250-3:2020"},"content":{"rendered":"

This document specifies the testing and evaluation method of rolling bearing grease noise in accordance with the method MQ.<\/p>\n

PDF Catalog<\/h4>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
PDF Pages<\/th>\nPDF Title<\/th>\n<\/tr>\n
2<\/td>\nNational foreword <\/td>\n<\/tr>\n
6<\/td>\nForeword <\/td>\n<\/tr>\n
7<\/td>\nIntroduction <\/td>\n<\/tr>\n
9<\/td>\n1 Scope
2 Normative references
3 Terms and definitions
4 Symbols, abbreviated terms and subscripts <\/td>\n<\/tr>\n
10<\/td>\n5 Calculation method
6 Test method MQ
6.1 General information <\/td>\n<\/tr>\n
11<\/td>\n6.2 Measuring principle
6.3 Testing procedure
6.3.1 Reference measurement of preserved, ungreased bearings <\/td>\n<\/tr>\n
12<\/td>\n6.3.2 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 <\/td>\n<\/tr>\n
13<\/td>\n7.3 Grease noise classes \u2014 Rating scale
7.4 Accuracy of results <\/td>\n<\/tr>\n
14<\/td>\n7.5 Permissible results in specifications
7.6 Plausibility of results <\/td>\n<\/tr>\n
15<\/td>\nAnnex A (informative) Test machine, test setup, electronic system and test reports: examples <\/td>\n<\/tr>\n
21<\/td>\nAnnex B (normative) Preparation of test bearings and greasing <\/td>\n<\/tr>\n
23<\/td>\nAnnex C (normative) Plausibility of the results <\/td>\n<\/tr>\n
26<\/td>\nAnnex D (informative) Example of grease noise classes rating <\/td>\n<\/tr>\n
27<\/td>\nBibliography <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

Rolling bearings. Noise testing of rolling bearing greases – Test and evaluation method MQ<\/b><\/p>\n\n\n\n\n
Published By<\/td>\nPublication Date<\/td>\nNumber of Pages<\/td>\n<\/tr>\n
BSI<\/b><\/a><\/td>\n2020<\/td>\n28<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":265405,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[316,2641],"product_tag":[],"class_list":{"0":"post-265404","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-21-100-20","7":"product_cat-bsi","9":"first","10":"instock","11":"sold-individually","12":"shipping-taxable","13":"purchasable","14":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product\/265404","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media\/265405"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=265404"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=265404"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=265404"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}