ISO INTERNATIONAL STANDARD 13939 Secondedition 2019-07 Foil bearings Performance testing of foil journal bearings Testing of static load capacity, friction coefficient and lifetime Paliers-feuilles - Essais de performance des paliers radiaux a feuilles non lubrifiés - Essais de la capacité de charge statique, du coefficient de frottement et de la durée de vie Reference number IS0 13939:2019(E) @ IS0 2019 IS0 13939:2019(E) COPYRIGHTPROTECTEDDOCUMENT @ IS0 2019 All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on the internet or an intranet, without prior written permission. Permission can be requested from either IsO at the address below or Iso's member body in the country of the requester. ISO copyright office CP 401 : Ch. de Blandonnet 8 CH-1214 Vernier, Geneva Phone: +41 22 749 01 11 Fax: +41 22 749 09 47 Email: [email protected] Website: www.iso.org Published in Switzerland ii @ IS0 2019 - All rights reserved