ISO 13050:2014 PDF

Scope: This International Standard specifies the principal characteristics of metric pitch curvilinear synchronous endless belts and pulleys in G, H, R, and S profile systems for use in synchronous belt drives (also known in the past as timing belt drives, positive belt drives, gear belt drives) for mechanical power transmission and where positive indexing or synchronization might be required. The principal belt and pulley characteristics include the following: a) nominal belt tooth dimensions; c) belt length and width dimensions and tolerances; e) pulley groove dimensions and tolerances; b) belt tooth pitch spacing; d) belt length measurement specifications; f) pulley diameter and width dimensions and tolerances; g) pulley quality specification.

ISO 13050:2014 Referenced Document

ISO 1101:1983 Technical drawings; Geometrical tolerancing; Tolerancing of form, orientation, location and run-out; Generalities, definitions, symbols, indications on drawings
ISO 254:2011 Belt drives - Pulleys - Quality, finish and balance

2022 ISO 13050:2022 Synchronous belt drives — Metric pitch, curvilinear profile systems G, H, R and S, belts and pulleys
2014 ISO 13050:2014 Synchronous belt drives - Metric pitch, curvilinear profile systems G, H, R and S, belts and pulleys
1999 ISO 13050:1999 Curvilinear toothed synchronous belt drive systems