# ISO 13939:2012 — Withdrawn and superseded ISO standards

For ISO 13939:2012, item title is Foil bearings — Guidelines for testing of the performance of foil journal bearings —Testing of load capacity, friction coefficient and lifetime; status code is 9599; successor is ISO 13939:2019; withdrawn / published date is 2012-07-20, recorded from its source on 2026-08-05.

- **Identifier:** ISO 13939:2012 _(verified: appears in the quote below)_
- **Item title:** Foil bearings — Guidelines for testing of the performance of foil journal bearings —Testing of load capacity, friction coefficient and lifetime _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 13939:2019
- **Withdrawn / published date:** 2012-07-20 _(verified: appears in the quote below)_

## What the source says

> 54354,IS,,ISO 13939:2012,"Foil bearings — Guidelines for testing of the performance of foil journal bearings —Testing of load capacity, friction coefficient and lifetime","Paliers-feuilles — Lignes directrices pour les essais de performance des paliers radiaux à feuilles non lubrifiés — Essais de la capacité de charge, du coefficient de friction et de la durée de vie",2012-07-20,1,['21.100.10'],ISO/TC 123/SC 7,9599,,[75671],['en'],16,"<p>ISO 13939:2012 describes a method of comparing the performance test results of foil journal bearings, which are lubricated by air (gas) and supported by hydrodynamic force generated by the rotation of the rotating shaft. The test procedure proposed in ISO 13

## 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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).