# ISO/TR 14521:2010 — Withdrawn and superseded ISO standards

For ISO/TR 14521:2010, item title is Gears — Calculation of load capacity of  wormgears; status code is 9599; successor is ISO/WD TR 14521 | ISO/TS 14521:2020; withdrawn / published date is 2010-11-11, recorded from its source on 2026-08-05.

- **Identifier:** ISO/TR 14521:2010 _(verified: appears in the quote below)_
- **Item title:** Gears — Calculation of load capacity of  wormgears _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO/WD TR 14521 | ISO/TS 14521:2020
- **Withdrawn / published date:** 2010-11-11 _(verified: appears in the quote below)_

## What the source says

> 51227,TR,,ISO/TR 14521:2010,Gears — Calculation of load capacity of wormgears,Engrenages — Calcul de la capacité de charge des engrenages à vis,2010-11-11,1,['21.200'],ISO/TC 60/SC 1,9599,,"[70392,77340]","['en','fr']",89,"<p>ISO/TR 14521:2010 specifies equations for calculating the load capacity of cylindrical worm gears and covers load ratings associated with wear, pitting, worm deflection, tooth breakage and temperature. Scuffing and other failure modes are not covered by ISO/TR 14521:2010.</p><p>The load rating and design procedures are valid for sliding velocities over tooth surfaces of up to 25 m/s and contact ratios equal to or greater than 2,1. For wear, sliding velocities over toot

## Source

- https://isopublicstorageprod.blob.core.windows.net/opendata/_latest/iso_deliverables_metadata/csv/iso_deliverables_metadata.csv

Last verified: 2026-08-05. Review by: 2027-02-01.
Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).