1、AEROSPACE STANDARD BEARINGS, PLAIN, SELF-ALIGNING, SELF- LUBRICATING, 1400 CPM (15 FPM) OSCILLATION, -65 TO +160 F (-54 TO +71 C) AS83819/1Copyright 2013 SAE International All rights reserved. No part of this publication may be reproduced, stored in a retrieval system or transmitted, in any form or
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3、sae.org ISSUED 2013-05THIRD ANGLE PROJECTION CUSTODIAN: ACBG FEDERAL SUPPLY CLASS 3120 AS83819/1SHEET 1 OF 3PROCUREMENT SPECIFICATION: AS83819SAE Technical Standards Board Rules provide that: “This report ispublishedby SAE toadvance thestate of technicalandengineering sciences. Theuse ofthis report
4、 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, stabilized, orcancelled. SA
5、E invites yourwrittencomments andsuggestions. SAE values your input. To provide feedbackon this Technical Report, please visit http:/www.sae.org/technical/standards/AS83819/1RATIONALE THE REASON FOR CREATING THIS STANDARD IS TO QUALIFY BEARINGS FOR USE IN TAIL ROTOR BEARING APPLICATIONS. THE STANDAR
6、D 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 AS83819/1SHEET 2 OF 3BEARINGS, PLAIN, SELF-ALIGNING, SELF- LUBRICATING, 1400 CPM (15 FPM) OSCILLATION, -65 TO +160 F (-54 TO +71 C) TABLE 1
7、 DIMENSIONS & QUALIFICATION TEST CRITERIA DASHNUMBER KMAXC.005 B +.0000 .0005 D +.0000 .0005 H.005 M MINQ MINW+.000.002 NO-LOAD ROTATIONAL BREAKAWAY TORQUE (INCH-POUND) WT POUND (APPROX REF) -4 .035 .025 .3750 .8125 .312 .475 9 .406 1-15 .038 DASHNUMBER QUALIFICATION TESTS 3/ STATIC LIMIT LOAD CONS
8、TANT LOAD OSCILLATION WEAR TEST CONDITIONS RADIAL (POUND) AXIAL(POUND) TESTLOAD (POUND) 1/TESTSPEED(CPM) OSCILLATION ANGLE () 2/TESTTIME(HOURS) -4 10 800 1200 340 1400 6 600* TYPE “A” IS TO BE TESTED TO 1500 HOURS. (NOTE: ALL FLUID CONTAMINATION TESTS, WHETHER TYPE A OR NOT, ARE 200 HOURS TEST TIME
9、AND ALL TEMPERATURE EXTREMES TESTS, WHETHER TYPE A OR NOT, ARE 600 HOURS TEST TIME.) 1/ LOAD FOR CONSTANT OSCILLATION WEAR TEST SHALL BE APPLIED USING HOUSING DESIGN SPECIFIED IN AS83819. 2/ ONE CYCLE SHALL CONSIST OF ROTATION FROM ZERO TO (+) OSCILLATION ANGLE IN DEGREES, RETURN TO ZERO TO (-) OSCI
10、LLATION ANGLE IN DEGREES, AND RETURN TO ZERO (24 DEGREES PER CYCLE). 3/ ALL DYNAMIC TESTS ARE TO BE PRECEDED BY IMMERSION IN LIQUID NITROGEN (LN2) FOR 5 MINUTES AND BROUGHT BACK TO ROOM TEMPERATURE PRIOR TO INSTALLATION IN TEST HOUSING. FOR ADDITIONAL PERFORMANCE REQUIREMENTS, REFER TO PROCUREMENT S
11、TANDARD AS83819. AEROSPACE STANDARD AS83819/1SHEET 3 OF 3BEARINGS, PLAIN, SELF-ALIGNING, SELF- LUBRICATING, 1400 CPM (15 FPM) OSCILLATION, -65 TO +160 F (-54 TO +71 C) NOTES: NOTICE THIS DOCUMENT REFERENCES A PART WHICH CONTAINS CADMIUM AS A PLATING MATERIAL. CONSULT LOCAL OFFICIALS IF YOU HAVE QUES
12、TIONS 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 SWAGING 4. FINISH: BALL - PASSIVATION
13、 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. SURFACE TEXTURE PER ANSI/ASME B46.1. BAL
14、L 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. 9. EXAMPLE OF PART NUMBER: AS83819/1
15、 A -4 P = .375 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 DIAMETER (DASH NUMBER FROM TABLE 1) ABSENCE
16、 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 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.
