ISO/TR 1281-1:2021 pdf download – Rolling bearings — Explanatory notes on ISO 281 — Part 1: Basic dynamic load rating and basic rating life.
1 Scope This document specifies supplementary background information regarding the derivation of mathematical expressions and factors given in ISO 281:2007. 2 Normative references The following documents are referred to in the text in such a way that some or all of their content constitutes requirements of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. ISO 281:2007, Rolling bearings — Dynamic load ratings and rating life 3? Terms? and? definitions For the purposes of this document, the terms and definitions given in ISO 281:2007 apply. ISO and IEC maintain terminological databases for use in standardization at the following addresses: — ISO Online browsing platform: available at https:// www .iso .org/ obp — IEC Electropedia: available at http:// www .electropedia .org/