1、AEROSPACE STANDARDBEARING, BALL, ANNULAR, PRIMARILY FORAIRCRAFT GENERATORS ANDMOTOR-GENERATORS, WIDE CARTRIDGE, TYPE IIAS17108Copyright 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 means,
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3、02-02 REVISED 2008-01 STABILIZED2014-11THIRD ANGLE PROJECTIONCUSTODIAN: AIRFRAME CONTROL BEARINGS GROUPREV.BFEDERAL SUPPLY CLASS3110SAE Technical StandardsBoardRulesprovidethat:“ThisreportispublishedbySAE toadvancethestateoftechnicalandengineering sciences. The use of thisreport isentirelyvoluntary,
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7、l/standards/AS17108BAEROSPACE STANDARD AS17108 SHEET 1 OF 2 REV. B BEARING, BALL, ANNULAR, PRIMARILY FOR AIRCRAFT GENERATORS AND MOTOR-GENERATORS, WIDE CARTRIDGE, TYPE II 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
8、INCH MM INCH INCH MM INCH MM INCH MM INCH (1) Co(LB) (2) C (LB) GREASE OIL 1 12 .4724 32 1.2598 .6250 0.6 0.024 2.0 0.079 1.0 0.039 595 1050 15,600 25,000 2 15 .5906 35 1.3780 .6250 0.6 0.024 2.0 0.079 1.0 0.039 680 1180 15,100 20,000 3 17 .6693 40 1.5748 .6875 0.6 0.024 2.0 0.079 1.0 0.039 765 1280
9、 13,700 17,600 4 20 .7874 47 1.8504 .8125 1.0 0.039 3.0 0.118 1.5 0.059 1370 2210 11,400 15,000 5 25 .9843 52 2.0472 .8125 1.0 0.039 3.0 0.118 1.5 0.059 1560 2420 10,000 12,000 6 30 1.1811 62 2.4409 .9375 1.0 0.039 3.0 0.118 1.5 0.059 2230 3350 8,200 10,000 7 35 1.3780 72 2.8346 1.0625 1.1 0.043 3.5
10、 0.138 2.0 0.079 3050 4450 7,100 8,500 8 40 1.5748 80 3.1496 1.1875 1.1 0.043 3.5 0.138 2.0 0.079 4000 5640 6,100 7,500 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 AS17108 SHEET 2 OF 2 REV. B
11、 BEARING, BALL, ANNULAR, PRIMARILY FOR AIRCRAFT GENERATORS AND MOTOR-GENERATORS, WIDE CARTRIDGE, TYPE II 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 in OF THE BALL DIAMETER.
12、2. BASIC LOAD 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 BEARIN
13、G CORNERS WILL CLEAR. 5. EDGE BREAK: UNLESS OTHERWISE SPECIFIED .003/.015 in. 6. PART NUMBERS -1 THROUGH -4 SHALL HAVE PRESSED STEEL RETAINERS, PART NUMBERS -5 THROUGH -8 SHALL HAVE PHENOLIC RETAINERS. 7. MATERIALS: RINGS AND BALLS: 52100 PER AMS 6440 OR AMS 6444; OR 440C PER AMS 5618 OR AMS 5880. C
14、LOSURES: NITRILE BUTADIENE RUBBER (NBR) PER ASTM D 2000, HARDNESS 60 - 70 DUROMETER A OR FLUOROELASTOMER. RETAINERS: PART NUMBERS -1 THROUGH - 4, PRESSED STEEL; PART NUMBERS -5 THROUGH - 8 PHENOLIC. 8. LUBRICATION/PRESERVATION: PACK 30 TO 50% FULL WITH MIL-PRF-27617D, TYPE III, MIL-PRF-81322; OR PRE
15、SERVE WITH MIL-C-11796, CLASS 3. 9. TOLERANCES: ABEC 5 PER ABMA 20 EXCEPT BORE AND OUTER DIAMETER TOLERANCES SHALL BE +.0000/ -.0002 in. 10. BEARING CONFIGURATION AND IDENTIFICATION: 11. THE AS17108 BEARING SERIES IS A mm OD AND BORE DIMENSION WITH AN INCH WIDTH DIMENSION. 12. THE CHANGE BAR ( l ) L
16、OCATED 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. 13. THIS STANDARD TAKES PRECEDENCE OVER DOCUMENTS REFERENCED HEREIN. REFERENCED DOCUMENTS SHALL BE OF THE ISSUE IN EFFECT ON DATE OF INVITATIONS FOR BID.
