SAE AS 21152D-2008 Bearing Ball Rod End Double Row Precision Hollow Shank Self-Aligning Airframe Type III -65 to 300F《-65～300℉III型机身自调空心柄精密双排杆端滚珠轴承》.pdf

1、AEROSPACE STANDARD (R) BEARING, BALL, ROD END, DOUBLE ROW, PRECISION, HOLLOW SHANK, SELF-ALIGNING, AIRFRAME, TYPE III, -65 TO 300 F AS21152Copyright 2008 SAE International All rights reserved. No part of this publication may be reproduced, stored in a retrieval system or transmitted, in any form or

2、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: 724-776-4970 (outside USA) Fax: 724-776-0790 Email: CustomerServicesae.org SAE WEB ADDRESS: http:/www.sa

3、e.org ISSUED 1998-01REVISED 2008-10 THIRD ANGLE PROJECTION CUSTODIAN: SAE AIRFRAME CONTROL BEARINGS GROUP REV.DFEDERAL SUPPLY CLASS 3110 AS21152SHEET 1 OF 3REV.DPROCUREMENT SPECIFICATION: AS6039SAE TechnicalStandards Board Rules provide that: “This report is published by SAE toadvance thestate of te

4、chnical andengineering sciences. Theuse of thisreport is entirely voluntary, andits applicabilityandsuitability forany particularuse, including any patent infringement arising therefrom, is thesole responsibility oftheuser.” SAE reviews each technical report at least every five yearsat which time it

5、 may be reaffirmed, revised, orcancelled. SAE invites yourwritten commentsandsuggestions. SAE values your input. To provide feedbackon this Technical Report, please visit http:/www.sae.org/technical/standards/AS21152DRATIONALEAS21152 REV D IS A FIVE YEAR REVIEW. UPDATED SPECIFICATIONS TO CURRENT REQ

6、UIREMENTS, REFORMATTED GRAPHICS, TABLES AND NOTES, ADDED ZINC-NICKEL CODE, ADDED OPTIONAL MATERIAL FOR INNER RACE AND BALLS AND REMOVED “OR AN APPROVED EQUIVALENT” TO SEAL MATERIAL FIGURE 1 TABLE 1 - DIMENSIONS AND TOLERANCES A B C D E F H J G W MS21152DASHNUMBERBORESIZENOM. .010+.0000.0003.031 .010

7、 NOM .010 .010 +.000-.002MIN +.000.005WT LBAPPROX-1 3/16 1.375 .1900 .875 .781 .390 .272 .328 .430 .276 .437 .06 -2 1.875 1.219 .490 .386 .12 -3 1.625 .875 .500 .515 .625.08-4 .760 .468 .346 .438 .12 -51/41.875.25001.125.938.500 .500 .438.625.340 .593 .09TABLE 2 - ENGINEERING DATA RADIAL STRENGTH AX

8、IAL STRENGTH RADIAL LOAD RATING 10 000 COMPLETE 90 CYCLES (b) (d) MAXIMUMSTARTINGTORQUEMS21152DASHNUMBER LIMIT LOAD LBFFRACTURELOAD LBF LIMIT LOAD LBFFRACTURELOAD LBF CASE I CASE II IN-OZ -1 1000 1500 200 300 1000 1000 3.0 -2-3-4-51720 2580 345 520 1720 1720 4.0 Copyright SAE International Provided

9、by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-,-AEROSPACE STANDARD (R) BEARING, BALL, ROD END, DOUBLE ROW, PRECISION, HOLLOW SHANK, SELF-ALIGNING, AIRFRAME, TYPE III, -65 TO 300 F AS21152SHEET 2 OF 3REV.DREQUIREMENTS: (a) A RADIUS GIVIN

10、G THE SAME FILLET CLEARANCE WILL BE ACCEPTABLE. (b) CASE I - LOAD FIXED WITH RESPECT TO OUTER RACE (AVERAGE LIFE RATING). CASE II - LOAD FIXED WITH RESPECT TO INNER RACE (AVERAGE LIFE RATING). (c) 10 MIN. MISALIGNMENT IN EITHER DIRECTION SHALL OCCUR WITHOUT INTERFERENCE BETWEEN BALL HOUSING AND SURF

11、ACES INDICATED BY DIMENSION “W”. (d) THESE RATINGS ARE FOR OPERATIONS UP TO 250 F MAXIMUM WHEN SUBJECTED TO OPERATION ABOVE 250 F. THE RATINGS SHOULD BE REDUCED BY 20%. NOTES: NOTICE THIS DOCUMENT REFERENCES A PART WHICH CONTAINS CADMIUM AS A PLATING MATERIAL. CONSULT LOCAL OFFICIALS IF YOU HAVE QUE

12、STIONS CONCERNING CADMIUMS USE. 1. FOR DESIGN FEATURE PURPOSES, THIS STANDARD TAKES PRECEDENCE OVER ANY OTHER DOCUMENTS REFERENCED HEREIN.2. REFERENCED DOCUMENTS SHALL BE OF THE ISSUE IN EFFECT ON DATE OF INVITATION FOR BID. 3. RADIAL CLEARANCE: .0000 TO .0004 INCHES UNDER 5.5 LB FULLY REVERSING GAG

13、E LOAD. 4. AXIAL CLEARANCE: .0000 TO .003 INCHES UNDER 5.5 LB FULLY REVERSING GAGE LOAD. 5. MATERIAL: INNER RACE AND BALLS: AISI E52100 STEEL PER AMS6440 OR AMS6444; BALLS IAW ASTM F 2215 ROD END BODY: AISI 4130 STEEL PER AMS-S-6758, OR AISI 8620 STEEL PER AMS6274 SEALS: POLYTETRAFLOURETHYLENE PER A

14、MS3652 OR AMS3666 OR POLYETHERESTER PER ASTM D 4550, GROUP 4, CLASS 1, GRADE 1. SEAL RETAINERS: STEEL CORROSION RESISTANCE, AISI 300 OR AISI 400 SERIES STEEL. 6. HEAT TREATMENT: INNER RACE AND BALLS: 60-66 HRC ROD END BODY RACEWAY: 59-63 HRC; STABILIZE FOR OPERATION AT 250 F. THE ROD END BODY RACEWA

15、Y SHALL BE CASE HARDENED TO ACHIEVE AN EFFECTIVE CASE DEPTH (50 HRC POINT) FROM A MINIMUM OF 25% TO A MAXIMUM OF 50% OF THE RING THICKNESS. THE ROD END SHANK SHALL HAVE A HARDNESS OF 92.5 HRB MINIMUM TO 45 HRC MAXIMUM AND THE ROD END HEAD O.D. SHALL HAVE A HARDNESS OF 32 TO 48 HRC. 7. FINISH CODE: “

16、 “ (NO CODE) INDICATES CADMIUM PLATE PER AMS-QQ-P-416, TYPE I, CLASS 2. “E” INDICATES ZINC-NICKEL PLATE PER AMS2417, TYPE 2. 8. LUBRICANT: ALL BEARINGS SHALL BE PREPACKED 80% TO 100% FULL WITH GREASE QUALIFIED TO MIL-PRF-81322 OR MIL-PRF-23827 TYPE I. IF MIL-PRF- 23827 IS REQUIRED ADD THE SUFFIX “G”

17、 TO THE MS PART NUMBER AND LIMIT BEARING OPERATION TO NOT MORE THAN 250 F. Copyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-,-AEROSPACE STANDARD (R) BEARING, BALL, ROD END, DOUBLE ROW, PRECISION, HOLLOW

18、 SHANK, SELF-ALIGNING, AIRFRAME, TYPE III, -65 TO 300 F AS21152SHEET 3 OF 3REV.D9. REMOVE ALL BURRS AND SHARP EDGES. 10. SURFACE ROUGHNESS: RACEWAYS AND BALLS SHALL NOT EXCEED 8 (Ra). SHANK 63 (Ra) WHERE INDICATED. ALL OTHER MACHINED SURFACES SHALL NOT EXCEED 125 (Ra). AS FORGED SURFACES ON OUTER SU

19、RFACE OF THE ROD END BODY ARE ACCEPTABLE. 11. DIMENSIONS IN INCHES, UNLESS OTHERWISE SPECIFIED. 12. DIMENSIONS TO BE MET AFTER PLATING. 13. EXAMPLE OF COMPLETE PART NUMBER: MS21152 - 2 G E “ ” = (NO CODE) CADMIUM PLATE “E” = ZINC-NICKEL PLATE “ “ = GREASE PER MIL-PRF-81322 “G” = GREASE PER MIL-PRF-2

20、3827 DASH NO. (SEE TABLE 1) BASIC MS P/N14. THE POINT REPRESENTING THE CENTER OF SELF-ALIGNMENT MOTION SHALL BE COINCIDENT WITH THE AXIS OF THE ROD END WITHIN .010 INCH. 15. A CHANGE BAR ( l ) LOCATED IN THE LEFT MARGIN IS FOR THE CONVENIENCE OF THE USER IN LOCATING AREAS WHERE TECHNICAL REVISIONS,

21、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.Copyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-,-