ISO INTERNATIONAL STANDARD 21107 Secondedition 2015-12-15 Rolling bearings and spherical plain bearings Search structure for electronic media Characteristics and performance criteria identified by property vocabulary Roulements et rotules lisses - Structure de recherche pour supports électroniques- -Caractéristiques et criteres de performance identifiés par le vocabulaire des proprietés Reference number IS0 21107:2015(E) SO International Organization for Standardization @ IS0 2015 HEJIANG INST OF STANDARDIZATION C15956617 ed without license from IHS IS0 21107:2015(E) COPYRIGHTPROTECTEDDOCUMENT IS0 2015, Published in Switzerland All rights reserved. Unless otherwise specified, 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. ISOcopyrightoffice Ch. de Blandonnet 8 . CP 401 CH-1214 Vernier, Geneva, Switzerland Tel. +41 22 749 01 11 Fax +41 22 749 09 47 [email protected] www.iso.org Intenatinair PrganizationforStandardization nsee-ZHEJIANG INSTOF STANDARDIZAoSQ15- All rights reserved Not for Resale, 2016/3/29 05:03:10 etworking permitted without license from IHS IS0 21107:2015(E) Contents Page Foreword ..V Introduction. ...vi 1 Scope 2 Normative references 3 Terms and definitions 4 Description and use of the search structure for electronic media ..2 4.1 General .2 4.2 Layout of the search structure. .2 5 Properties and value domains for rolling bearings .5 5.1 General .5 .5 5.2 Ball bearings. 5.2.1 Deep groove ball bearings ..5 5.2.2 Angular contact radial ball bearings .6 5.2.3 Angular contact thrust ball bearings 7 5.2.4 Thrust ball bearings. .8 5.2.5 Self-aligning ball bearings ..8 5.3 Roller bearings .9 5.3.1 Cylindrical roller bearings .9 5.3.2 Thrust cylindrical roller bearings .10 5.3.3 Needle roller bearings. ..11 5.3.4 Thrust needle roller bearings .12 5.3.5 Spherical roller bearings. .12 5.3.6 Thrust spherical roller bearings .13 5.3.7 Tapered roller bearings .13 5.3.8 Thrust tapered roller bearings. ..15 5.4 Insert bearings. .16 5.4.1 Insert bearings (bearing only) .16 5.4.2 Insert bearing units .16 5.4.3 Insert bearing housings .18 5.4.4 Insert bearing accessories .19 5.5 Combined bearings 19 5.6 Rolling bearing parts 20 5.6.1 Balls. 20 5.6.2 Cylindrical rollers. .20 5.6.3 Needlerollers 20 5.6.4 Thrust collars (L-shaped) 21 5.6.5 Aligning seat washers for thrust ball bearings 21 5.6.6 Inner rings for needle roller bearings 22 5.7 Bearing housings and housing accessories 22 5.7.1 Bearing housings 22 5.7.2 Accessories for bearing housings 23 5.7.3 Bearing housing units. 23 5.8 Bearing accessories. 24 5.8.1 Adapter and withdrawal sleeve 24 5.8.2 Locknuts and locking devices. 24 5.9 Track rollers .25 5.9.1 Yoke-type track rollers. 25 5.9.2 Stud-type track rollers 26 5.9.3 Accessories for track rollers .26 6 Properties and value domains for spherical plain bearings .27 6.1 General .27 6.2 Spherical plain bearings . ..27 iii ISee=ZHEJIANG INST OF STANDARDIZATION C1 5956617 vided by IHS under license with ISO ed withoutlicense from IHS Not for Resale, 2016/3/29 05:03:10