1、AEROSPACE STANDARD BEARINGS, PLAIN, SELF-ALIGNING, SELF- LUBRICATING, 300 CPM (13 FPM) OSCILLATION, -65 TO +160 F, LINERS LESS THAN .015 INCH THICK AS82819/1Copyright 2013 SAE International All rights reserved. No part of this publication may be reproduced, stored in a retrieval system or transmitte
2、d, in any form or by any means, electronic, 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
3、ADDRESS: http:/www.sae.org ISSUED 2013-05THIRD ANGLE PROJECTION CUSTODIAN: ACBG FEDERAL SUPPLY CLASS 3120 AS82819/1SHEET 1 OF 3PROCUREMENT SPECIFICATION: AS82819SAE Technical Standards Board Rules provide that: “This report ispublishedby SAE toadvance thestate of technicalandengineering sciences. Th
4、euse ofthis report 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 berevised, reaffirmed, stabilize
5、d, orcancelled. SAE invites yourwrittencomments andsuggestions. SAE values your input. To provide feedbackon this Technical Report, please visit http:/www.sae.org/technical/standards/AS82819/1RATIONALE THE REASON FOR CREATING THIS STANDARD IS TO QUALIFY BEARINGS WITH A LINER THICKNESS LESS THAN .015
6、 INCHES FOR USE IN MAIN ROTOR BEARING APPLICATIONS. THE STANDARD ALSO INCORPORATES AN A PART NUMBER DESIGNATION FOR A NEW LINER SYSTEM THAT HAS 2-1/2 TIMES THE LIFE OF THE STANDARD LINER SYSTEM. FIGURE 1 AEROSPACE STANDARD AS82819/1SHEET 2 OF 3BEARINGS, PLAIN, SELF-ALIGNING, SELF- LUBRICATING, 300 C
7、PM (13 FPM) OSCILLATION, -65 TO +160 F, LINERS LESS THAN .015 INCH THICK TABLE 1 - DIMENSIONS & QUALIFICATION TEST CRITERIA DASHNUMBER KMAX.C.005 B +.0000 .0005 D +.0000 .0005 H.005 M MIN Q MINW+.000.002 NO-LOAD ROTATIONAL BREAKAWAY TORQUE (INCH-POUND) WT POUND (APPROX REF) -2 .045 .035 1.0000 1.750
8、0 .797 1.118 9 1.000 1-24 .386 DASHNUMBER QUALIFICATION TESTS 5/ STATIC LIMIT LOADCONSTANT LOAD OSCILLATION WEAR TEST CONDITIONS CYCLIC LOAD OSCILLATION WEAR TEST CONDITIONS 3/RADIAL (POUND)AXIAL (POUND)TESTLOAD(POUND)1/TESTSPEED(CPM)OSCILLATION ANGLE() 2/TESTTIME (HOURS)TESTCONDITION TEST LOAD (POU
9、ND)4/TESTSPEED(CPM)OSCILLATION ANGLE() TESTTIME (HOURS)-2 75 100 10 200 2300 300 10 600*I 0 2300 300 10 600* II 2300 2300 300 10 600* * ALL CONSTANT LOAD TESTS ARE 600 HOURS FOR BOTH THE STANDARD AND THE TYPE A BEARINGS WITH THE EXCEPTION OF FLUID COMPATIBILITY TESTS, WHICH ARE 200 HOURS TEST TIME F
10、OR STANDARD AND TYPE A, AND SOLID CONTAMINANT (DUST) TESTS WHICH ARE 600 HOURS FOR STANDARD AND 1500 HOURS FOR TYPE A.* TYPE “A” IS TO BE TESTED TO 1500 HOURS. 1/ LOAD FOR CONSTANT OSCILLATION WEAR TEST SHALL BE APPLIED USING HOUSING DESIGN SPECIFIED IN AS82819. 2/ ONE CYCLE SHALL CONSIST OF ROTATIO
11、N FROM ZERO TO (+) OSCILLATION ANGLE IN DEGREES, RETURN TO ZERO TO (-) OSCILLATION ANGLE IN DEGREES, AND RETURN TO ZERO (40 DEGREES PER CYCLE). 3/ TWO EACH OF CONDITION I AND CONDITION II CYCLIC LOAD TESTS ARE REQUIRED. A MINIMUM OF.002 INCHES OF LINER MUST REMAIN AT THE CONCLUSION OF THE TEST, PER
12、ARP5448/7. 4/ CYCLIC LOAD TESTS SHALL BE CONDUCTED SO THAT THE MAX. LOAD AND MAX. BALL SURFACE SPEED OCCUR AT THE SAME TIME. 5/ ALL DYNAMIC TESTS ARE TO BE PRECEDED BY IMMERSION IN LIQUID NITROGEN (LN2) FOR 5 MINUTES PRIOR TO INSTALLATION IN TEST HOUSING. FOR ADDITIONAL PERFORMANCE REQUIREMENTS, REF
13、ER TO PROCUREMENT STANDARD AS82819. AEROSPACE STANDARD AS82819/1SHEET 3 OF 3BEARINGS, PLAIN, SELF-ALIGNING, SELF- LUBRICATING, 300 CPM (13 FPM) OSCILLATION, -65 TO +160 F, LINERS LESS THAN .015 INCH THICK NOTES: NOTICE THIS DOCUMENT REFERENCES A PART WHICH CONTAINS CADMIUM AS A PLATING MATERIAL. CON
14、SULT LOCAL OFFICIALS IF YOU HAVE QUESTIONS CONCERNING CADMIUMS USE. REQUIREMENTS: 1. MATERIAL - BALL - 440C PER AMS5630 RACE - 17-4PH PER AMS5643 LINER - 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
15、SWAGING 4. FINISH: BALL - PASSIVATION PER ASTM A967 OR AMS2700 PLATING OR COATING IS OPTIONAL ON THE SPHERICAL OD RACE - PASSIVATION PER ASTM A967 OR AMS2700. ZINC-NICKEL PLATING PER AMS2417, TYPE 2, GRADE B, OR CADMIUM PLATING PER AMS-QQ-P-416, TYPE II, CLASS 2. DIMENSIONS APPLY AFTER PLATE. 5. SUR
16、FACE 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 .003 TO .015 UNLESS OTHERWISE SPECIFIED. REMOVE ALL BURRS AND SLIVERS. 7. DIMENSIONING AND TOLERANCING: ASME Y14.5M-1994. 8. DIMENSIONS ARE IN INCHES.
17、 9. EXAMPLE OF PART NUMBER: AS82819/1 A -2 P = 1.0000 NOMINAL BORE DIA, 440C BALL MATERIAL, CADMIUM PLATED RACE ABSENCE OF THE LETTER “P” OR “E” INDICATES NO PLATING LETTER “P” INDICATES CADMIUM PLATING (SEE REQUIREMENT 4) LETTER “E” INDICATES ZINC-NICKEL PLATING (SEE REQUIREMENT 4) SIZE - BORE DIAM
18、ETER (DASH NUMBER FROM TABLE 1) ABSENCE OF THE LETTER “A” INDICATES TESTED LIFE OF 600 HOURS LETTER “A” INDICATES TESTED LIFE OF 1500 HOURS BASIC PART NUMBER 10. A CHANGE BAR (l) LOCATED IN THE LEFT MARGIN IS FOR THE CONVENIENCE OF THE USER IN LOCATING AREAS WHERE TECHNICAL REVISIONS, NOT EDITORIAL
19、CHANGES, HAVE BEEN MADE TO THE PREVIOUS 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.
