1、AEROSPACE STANDARD (R) BEARINGS, PLAIN, SELF-LUBRICATING SELF-ALIGNING, HIGH SPEED OSCILLATION -65 TO +160 F AS81819/1Copyright 2010 SAE International All rights reserved. No part of this publication may be reproduced, stored in a retrieval system or transmitted, in any form or by any means, electro
2、nic, mechanical, photocopying, recording, or otherwise, without the prior written permission of SAE. TO PLACE A DOCUMENT ORDER: Tel: 877-606-7323 (inside USA and Canada) Tel: +1 724-776-4970 (outside USA) Fax: 724-776-0790 Email: CustomerServicesae.org SAE WEB ADDRESS: http:/www.sae.org ISSUED 2002-
3、02REVISED 2010-09THIRD ANGLE PROJECTION CUSTODIAN: ACBG REV.AFEDERAL SUPPLY CLASS 3120 AS81819/1SHEET 1 OF 3REV. APROCUREMENT SPECIFICATION: AS81819SAE Technical Standards Board Rules provide that: “This report ispublishedby SAE toadvance thestate of technicalandengineering sciences. Theuse ofthis r
4、eport is entirely voluntary, andits applicability and suitability forany particular use,including any patent infringement arising therefrom, isthe soleresponsibilityofthe user.”SAE reviews eachtechnicalreport at least every five years at which time itmay bereaffirmed, revised, orcancelled. SAE invit
5、es yourwrittencomments andsuggestions. SAE values your input. To provide feedbackon this Technical Report, please visit http:/www.sae.org/technical/standards/AS81819/1ARATIONALE THE REASON FOR UPDATING THIS DOCUMENT IS TO BRING QUALIFICATION TESTING IN LINE WITH CURRENT INDUSTRY TEST CAPABILITIES. T
6、HIS SLASH SHEET DELETES THE -1, -3, AND -4 ONLY THE -2 REMAINS. OTHER SIZES WITH LINER THICKNESS LESS THAN .015” WILL BE OFFERED IN A NEW STANDARD. FIGURE 1 CROSS-SECTION OF AS81819 BEARING Copyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking
7、permitted without license from IHS-,-,-AEROSPACE STANDARD AS81819/1SHEET 2 OF 3REV. A(R) BEARINGS, PLAIN, SELF-LUBRICATING SELF-ALIGNING, HIGH SPEED OSCILLATION -65 TO +160 F TABLE 1 DIMENSIONS & QUALIFICATION TEST CRITERIA *EXCEPT FLUID CONTAMINATION TESTS, WHICH ARE 200 HOURS TEST TIME 1/ RADIAL S
8、TATIC LIMIT LOAD (LBS) = 68000 x d x hWHERE d = NOMINAL BALL DIAMETER h = MINIMUM LINER WIDTH 2/ AXIAL STATIC LIMIT LOAD (LBS) = 26000 x 3 x h24 3/ LOAD FOR CONSTANT OSCILLATION WEAR TEST SHALL BE APPLIED WITH LOAD LINK IN COMPRESSION USING HOUSING DESIGN SPECIFIED IN AS81819. 4/ ONE CYCLE SHALL CON
9、SIST OF ROTATION FROM ZERO TO +10 DEGREES, RETURN TO ZERO TO -10 DEGREES AND RETURN TO ZERO. 5/ TWO EACH OF CONDITION I AND CONDITION II CYCLIC LOAD TESTS ARE REQUIRED. MAXIMUM ALLOWABLE LINER WEAR FOR CONDITION I IS 0.013 INCH, FOR CONDITION II IS 0.008 INCH. 6/ CYCLIC LOAD TESTS SHALL BE CONDUCTED
10、 SO THAT THE MAXIMUM LOAD AND MAXIMUM BALL SURFACE SPEED OCCUR AT THE SAME TIME. NOTICE THIS DOCUMENT REFERENCES A PART WHICH CONTAINS CADMIUM AS A PLATING MATERIAL. CONSULT LOCAL OFFICIALS IF YOU HAVE QUESTIONS CONCERNING CADMIUM USE. Copyright SAE International Provided by IHS under license with S
11、AENot for ResaleNo reproduction or networking permitted without license from IHS-,-,-AEROSPACE STANDARD AS81819/1SHEET 3 OF 3REV. A(R) BEARINGS, PLAIN, SELF-LUBRICATING SELF-ALIGNING, HIGH SPEED OSCILLATION -65 TO +160 F REQUIREMENTS 1. MATERIAL BALL 440C PER AMS 5630 RACE 17-4PH PER AMS 5643 LINER
12、PTFE SHALL BE INCLUDED IN THE LINER. 2. HEAT TREAT PER AMS-H-6875 OR AMS2759. 3. HARDNESS BALL HRC 55-62 RACE HRC 28 MIN., HRC 37 MAX. BEFORE SWAGING. 4. FINISH BALL PASSIVATION PER ASTM A 967 IS OPTIONAL. PLATING OR COATING IS OPTIONAL ON THE SPHERICAL OD. RACE ZINC-NICKEL PLATING PER AMS2417, TYPE
13、 2 OR CADMIUM PLATING PER AMS-QQ-P-416, TYPE II, CLASS 2. DIMS APPLY AFTER PLATE. 5. SURFACE TEXTURE PER ANSI/ASME B46.1: BALL DIA. RA 8 MAX. BALL BORE, BALL FACE AND OUTER RACE DIA. RA 32 MAX. ALL OTHERS RA 125 MAX. 6. BREAK EDGES: BREAK EDGES .003 TO .015 UNLESS OTHERWISE SPECIFIED. REMOVE ALL BUR
14、RS AND SLIVERS. 7. DIMENSIONING AND TOLERANCING: ASME Y14.5M-1994. 8. DIMENSIONS ARE IN INCHES. 9. EXAMPLE OF PART NO. 10. A CHANGE BAR (|) LOCATED IN THE LEFT MARGIN IS FOR THE CONVENIENCE OF THE USER IN LOCATING AREAS WHERE TECHNICAL REVISIONS, NOT EDITORIAL CHANGES HAVE BEEN MADE TO THE PREVIOUS
15、ISSUE OF THIS DOCUMENT. AN (R) SYMBOL TO THE LEFT OF THE DOCUMENT TITLE INDICATES A COMPLETE REVISION OF THE DOCUMENT, INCLUDING TECHNICAL REVISIONS. CHANGE BARS AND (R) ARE NOT USED IN ORIGINAL PUBLICATIONS NOR IN DOCUMENTS THAT CONTAIN EDITORIAL CHANGES ONLY. Copyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
