1、AEROSPACE STANDARDBEARING, BALL, ANNULAR, PRIMARILY FORAIRCRAFT GENERATORS AND MOTOR-GENERATORS,THIN EXTRA LIGHT, TYPE IIIAS17109Copyright 2014 SAE InternationalAll rights reserved. No part of this publication may be reproduced, stored in a retrieval system or transmitted, in any form or by any mean
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3、D2007-10 STABILIZED2014-11THIRD ANGLE PROJECTIONCUSTODIAN: AIRFRAME CONTROL BEARINGS GROUPREV.AFEDERAL SUPPLY CLASS3110SAE Technical StandardsBoardRulesprovidethat:“ThisreportispublishedbySAE toadvancethestateoftechnicalandengineering sciences. The use of thisreport isentirelyvoluntary, andits appli
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6、RENCY. USERS ARE RESPONSIBLE FOR VERIFYING REFERENCES AND CONTINUED SUITABILITY OF TECHNICAL REQUIREMENTS. NEWER TECHNOLOGY MAY EXIST.AS17109REV.APROCUREMENT SPECIFICATION: AS22227SAE values your input. To provide feedbackon this Technical Report, please visit http:/www.sae.org/technical/standards/A
7、S17109AAEROSPACE STANDARD AS17109 SHEET 1 OF 2 REV. A BEARING, BALL, ANNULAR, PRIMARILY FOR AIRCRAFT GENERATORS AND MOTOR-GENERATORS, THIN EXTRA LIGHT, TYPE III FIGURE 1 TABLE 1 BORE d D OUTSIDE DIA WIDTH B CORNER BREAK CAPACITY rs(4) raMAX rrMAX LIMIT CONTINUOUS RPM 325 F MAX DASH NO. MM INCH MM IN
8、CH MM INCH MM INCH MM INCH MM INCH (1) Co(LB) (2) C (LB) GREASE OIL 4 20 .7874 42 1.6535 12 .4724 0.6 0.024 2.0 0.079 1.0 0.039 850 1620 12,000 15,000 5 25 .9843 47 1.8504 12 .4724 0.6 0.024 2.0 0.079 1.0 0.039 830 1700 10,000 12,000 6 30 1.1811 55 2.1654 13 .5118 1.0 0.039 3.0 0.118 1.5 0.059 1210
9、2280 8,300 10,000 7 35 1.3780 62 2.4409 14 .5512 1.1 0.039 3.0 0.118 1.5 0.059 1500 2760 6,700 8,500 TABLE 2 RADIAL INTERNAL CLEARANCE (MFG. LIMITS) BORE (d) MM OVER INCL. RADIAL PLAY (.0001 INCH) 10 18 5 - 9 18 30 6 - 10 30 50 7 - 12 AEROSPACE STANDARD AS17109 SHEET 2 OF 2 REV. A BEARING, BALL, ANN
10、ULAR, PRIMARILY FOR AIRCRAFT GENERATORS AND MOTOR-GENERATORS, THIN EXTRA LIGHT, TYPE III NOTES: 1. STATIC LOAD RATING IN POUNDS = THAT STATIC LOAD WHICH CORRESPONDS TO A TOTAL PERMANENT DEFORMATION OF BALL AND RACE AT THE MOST HEAVILY LOADED CONTACT OF .0001 INCH OF THE BALL DIAMETER. 2. BASIC LOAD
11、RATING IN POUNDS AT 33-1/3 RPM USING 106REVOLUTIONS L10LIFE; AT OTHER SPEEDS INVERSE CUBE ROOT OF SPEED RATIO. 3. RATED LOADS ARE BASED UPON GREASE LUBRICATION AND UPON BEARING OPERATING TEMPERATURE NOT EXCEEDING 325 F. 4. CORNER BREAKS: rs= MAXIMUM HOUSING OR FILLET RADIUS THAT BEARING CORNERS WILL
12、 CLEAR. 5. EDGE BREAK: UNLESS OTHERWISE SPECIFIED .003/.015 INCH. 6. PART NUMBER -4 SHALL HAVE PRESSED STEEL RETAINERS, PART NUMBERS -5 THROUGH -7 SHALL HAVE PHENOLIC RETAINERS. 7. MATERIALS: RINGS AND BALLS: 52100 PER AMS 6440 OR AMS 6444; OR 440C PER AMS 5618 OR AMS 5880. CLOSURES: NITRILE BUTADIE
13、NE RUBBER (NBR) PER ASTM D 2000, HARDNESS 60 - 70 DUROMETER A OR FLUOROELASTOMER. RETAINERS: PART NUMBER -4, PRESSED STEEL; PART NUMBERS -5 THROUGH - 7 PHENOLIC. 8. LUBRICATION/PRESERVATION: PACK 30 TO 50% FULL WITH MIL-PRF-27617D, TYPE III, MIL-PRF-81322, OR PRESERVE WITH MIL-C-11796, CLASS 3. 9. T
14、OLERANCES: ABEC 5 PER ABMA 20 EXCEPT BORE AND OUTER DIAMETER TOLERANCES SHALL BE +.0000/-.0002 INCH. 10. BEARING CONFIGURATION AND IDENTIFICATION: 11. THE CHANGE BAR ( l ) LOCATED IN THE LEFT MARGIN IS FOR THE CONVENIENCE OF THE USER IN LOCATING AREAS WHERE TECHNICAL REVISIONS, NOT EDITORIAL CHANGES
15、, 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. 12. THIS STANDARD TAKES PRECEDENCE OVER DOCUMENTS REFERENCED HEREIN. REFERENCED DOCUMENTS SHALL BE OF THE ISSUE IN EFFECT ON DATE OF INVITATIONS FOR BID.
