BS ISO 9981:2020 Belt drives一Pulleys and V-ribbed belts for the automotive industry一PK profile: Dimensions. 1 Scope This document specifies the principal dimensional characteristics of V-ribbed pulley groove profiles, together with the corresponding endless V-ribbed belts of P1< profile which are used predominantly for automotive accessory drive applications. This document does not apply to the complete array of V-ribbed belts and pulleys of PH, PJ, P1<, PL and PM profile for industrial and other non-automotive applications which are covered by ISO 9982. P1< belt profile dimensions and tolerances are the same in both International Standards. &Z and of this document do not apply to elastic belts. 2 Normative references There are no normative references in this document. 3 Terms and definitions No terms and definitions are listed in this document. ISO and IEC maintain terminological databases for use in standardization at the following addresses: — ISO Online browsing platform: available at https://wwwiso.org/obp — IEC Electropedia: available at http://www.electropedia.org/ 4 Symbols For the purpose of this document, the symbols given in Table 1 apply. BS ISO 9981 pdf download.
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