{"id":639153,"date":"2024-11-06T01:10:19","date_gmt":"2024-11-06T01:10:19","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/iso-tr-1281-22008\/"},"modified":"2024-11-06T01:10:19","modified_gmt":"2024-11-06T01:10:19","slug":"iso-tr-1281-22008","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/iso\/iso-tr-1281-22008\/","title":{"rendered":"ISO\/TR 1281-2:2008"},"content":{"rendered":"<p>ISO 281:2007 introduced a life modification factor, <i>a<\/i><sub>ISO<\/sub>, based on a systems approach to life calculation, in addition to the life modification factor, <i>a<\/i><sub>1<\/sub>.These factors are applied in the modified rating life equation, <i>L<\/i><i><sub>n<\/sub><\/i><sub>m<\/sub> = <i>a<\/i><sub>1<\/sub><i>a<\/i><sub>ISO<\/sub><i>L<\/i><sub>10<\/sub>. The modification factor for reliability, <i>a<\/i><sub>1<\/sub>, for a range of reliability values, is given in ISO 281:2007 as well as the method for evaluating the modification factor for systems approach, <i>a<\/i><sub>ISO<\/sub>. <i>L<\/i><sub>10<\/sub> is the basic rating life.<\/p>\n<p>ISO\/TR 1281-2:2008 gives supplementary background information regarding the derivation of <i>a<\/i><sub>1<\/sub> and <i>a<\/i><sub>ISO<\/sub>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p><b>Rolling bearings \u2014 Explanatory notes on ISO 281 \u2014 Part 2: Modified rating life calculation, based on a systems approach to fatigue stresses<\/b><\/p>\n<table style=\"width: 100%\" border=\"0\" cellspacing=\"0\" cellpadding=\"0\">\n<tbody>\n<tr>\n<td>Published By<\/td>\n<td>Publication Date<\/td>\n<td>Number of Pages<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/pdfstandards.shop\/product-category\/publishers\/iso\/\"><b>ISO<\/b><\/a><\/td>\n<td>2008-12<\/td>\n<td>54<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":639165,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[316,2634],"product_tag":[],"class_list":{"0":"post-639153","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-21-100-20","7":"product_cat-iso","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\/639153","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\/639165"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=639153"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=639153"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=639153"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}