{"id":374559,"date":"2024-10-20T02:39:12","date_gmt":"2024-10-20T02:39:12","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bsi-pd-iso-tr-1281-12021\/"},"modified":"2024-10-26T04:37:19","modified_gmt":"2024-10-26T04:37:19","slug":"bsi-pd-iso-tr-1281-12021","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bsi-pd-iso-tr-1281-12021\/","title":{"rendered":"BSI PD ISO\/TR 1281-1:2021"},"content":{"rendered":"

This document specifies supplementary background information regarding the derivation of mathematical expressions and factors given in ISO 281:2007.<\/p>\n

PDF Catalog<\/h4>\n\n\n\n\n\n\n\n\n\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>\nundefined <\/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 <\/td>\n<\/tr>\n
12<\/td>\n5 General
6 Basic dynamic load rating
6.1 General <\/td>\n<\/tr>\n
13<\/td>\n6.2 Basic dynamic radial load rating, Cr, for radial ball bearings <\/td>\n<\/tr>\n
17<\/td>\n6.3 Basic dynamic axial load rating, Ca, for single row thrust ball bearings
6.3.1 Thrust ball bearings with contact angle \u03b1 \u2260 90\u00b0
6.3.2 Thrust ball bearings with contact angle \u03b1 = 90\u00b0 <\/td>\n<\/tr>\n
18<\/td>\n6.4 Basic dynamic axial load rating, Ca, for thrust ball bearings with two or more rows of balls <\/td>\n<\/tr>\n
19<\/td>\n6.5 Basic dynamic radial load rating, Cr, for radial roller bearings <\/td>\n<\/tr>\n
21<\/td>\n6.6 Basic dynamic axial load rating, Ca, for single row thrust roller bearings
6.6.1 Thrust roller bearings with contact \u03b1 \u2260 90\u00b0
6.6.2 Thrust roller bearings with contact angle \u03b1 = 90\u00b0 <\/td>\n<\/tr>\n
22<\/td>\n6.7 Basic dynamic axial load rating, Ca, for thrust roller bearings with two or more rows of rollers <\/td>\n<\/tr>\n
24<\/td>\n7 Dynamic equivalent load
7.1 Expressions for dynamic equivalent load
7.1.1 Theoretical dynamic equivalent radial load, Pr, for single row radial bearings <\/td>\n<\/tr>\n
28<\/td>\n7.1.2 Theoretical dynamic equivalent radial load, Pr, for double row radial bearings <\/td>\n<\/tr>\n
30<\/td>\n7.1.3 Theoretical dynamic equivalent radial load, Pr, for radial contact groove ball bearings
7.1.4 Practical expressions for dynamic equivalent radial load, Pr, for radial bearings with constant contact angle <\/td>\n<\/tr>\n
33<\/td>\n7.1.5 Practical expressions for dynamic equivalent radial load, Pr, for radial ball bearings <\/td>\n<\/tr>\n
34<\/td>\n7.1.6 Practical expressions for dynamic equivalent axial load, Pa, for thrust bearings <\/td>\n<\/tr>\n
36<\/td>\n7.2 Factors X, Y and e
7.2.1 Radial ball bearings <\/td>\n<\/tr>\n
37<\/td>\n7.2.2 Values of X, Y and e for each type of radial ball bearing <\/td>\n<\/tr>\n
43<\/td>\n7.2.3 Tabulation of factors X, Y and e for radial ball bearings <\/td>\n<\/tr>\n
45<\/td>\n7.2.4 Calculated values of Y and e different from standard
7.2.5 Thrust ball bearings <\/td>\n<\/tr>\n
46<\/td>\n7.2.6 Radial roller bearings <\/td>\n<\/tr>\n
47<\/td>\n7.2.7 Thrust roller bearings
8 Basic rating life <\/td>\n<\/tr>\n
50<\/td>\nBibliography <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

Rolling bearings. Explanatory notes on ISO 281 – Basic dynamic load rating and basic rating life<\/b><\/p>\n\n\n\n\n
Published By<\/td>\nPublication Date<\/td>\nNumber of Pages<\/td>\n<\/tr>\n
BSI<\/b><\/a><\/td>\n2021<\/td>\n52<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":374566,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[316,2641],"product_tag":[],"class_list":{"0":"post-374559","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\/374559","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\/374566"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=374559"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=374559"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=374559"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}