1、AEROSPACE STANDARD BEARING, PLAIN, SELF-ALIGNING, CHAMFERED OUTER RING AS21155Copyright 2011 SAE International All rights reserved. No part of this publication may be reproduced, stored in a retrieval system or transmitted, in any form or by any means, electronic, mechanical, photocopying, recording
2、, 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 ADDRESS: http:/www.sae.org ISSUED 1999-08REVISED 2011-12THIRD ANGLE PROJECTION
3、CUSTODIAN: AIRFRAME CONTROL BEARINGS GROUP REV.BFEDERAL SUPPLY CLASS 3120 AS21155SHEET 1 OF 3REV. BSAE Technical Standards Board Rules provide that: “This report ispublishedby SAE toadvance thestate of technicalandengineering sciences. Theuse ofthis report is entirely voluntary, andits applicability
4、 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 bereaffirmed, revised, stabilized or cancelled.SAEinvites yourwrittencommentsandsuggestions. S
5、AE values your input. To provide feedbackon this Technical Report, please visit http:/www.sae.org/technical/standards/AS21155BRATIONALE UPDATED AND REVISED FOR 5 YEAR REVIEW. BASE PART NUMBER ALLOWS FOR THE OPTION OF CADMIMUM PLATE OR ZINC NICKEL AT MANUFACTURERS OPTION. ADDED THE OPTION OF ZINC NIC
6、KEL PLATING ONLY WHEN E SUFFIX CALLED OUT IN PART NUMBER. DEFAULT OPTION WILL REMAIN CADMIUM PLATE. UPDATED OBSOLETE SPECIFICATIONS FOR CHROME PLATE. ADDED GENERAL NOTES CONSISTANT WITH OTHER AS BEARING SPECIFICATIONS. ADDED THE WORD MINIMUM TO THE GAGE LOAD FOR RADIAL /AXIAL PLAY MEASUREMENT TO MAT
7、CH THE PROCUREMENT DOCUMENT CALL OUT (AS8976). CLARIFIED LUBE HOLES/GROOVES DIMENSIONS ON RACE MAY CHANGE AFTER SWAGE AND SHALL NOT BE CAUSE FOR REJECTION. FIGURE 1 PART CONFIGURATION TABLE 1 - DIMENSIONS AND LOADS DASHNO. B +.0000 .0005 D +.0000 .0005 H.005 K L.005 (a) M MIN. Q MIN. W+.000 .002 ALL
8、OY STEEL ALUMINUM BRONZE RADIAL STATICLIMIT LOAD(b)AXIAL STATICLIMIT LOAD(c) RADIAL STATICLIMIT LOAD(b)AXIAL STATICLIMIT LOAD(c) -03 .1900 .5625 .218 .047 .062 .293 10.281 4600 2100 2800 850 -04 .2500 .6562 .250 .364 .343 7080 2800 4300 1100 -05 .3125 .7500 .281 .062 .078 .419 .375 8500 3550 5200 14
9、00 -06 .3750 .8125 .312 .475 9 .406 11050 4400 6750 1760 -07 .4375 .9062 .343 .530 8.437 13900 5400 8500 2150 -08 .5000 1.0000 .390 .600 .500 18850 7050 11500 2800 -09 .5625 1.0937 .437 .670 .562 25500 8900 15600 3550 -10 .6250 1.1875 .500 .078 .093 .739 .625 31950 11700 19500 4650 -12 .7500 1.4375
10、.593 .920 .750 46750 16500 28500 6575 -14 .8750 1.5625 .703 .980 .875 62750 23300 38300 9300 -16 1.0000 1.7500 .797 1.118 9 1.000 83350 30000 51000 12000 (a) RACE ID GROOVE (L DIMENSION) AND HOLE DIAMETER TO BE MEASURED BEFORE BEARING ASSEMBLY BUT SWAGING SHALL NOT PREVENT GREASE FLOW. (b) THESE BEA
11、RINGS MAY EXPERIENCE SOME METAL YIELDING AT THE RADIAL STATIC LIMIT LOADS LISTED. (c) THE LIMIT AND ULTIMATE AXIAL LOAD CAPACITY OF THE BEARING CAN BE ACHIEVED ONLY WHEN THE SIDE FACE INSIDE THE GROOVE IS SUPPORTED AS DEFINED IN AS8976. AEROSPACE STANDARD AS21155SHEET 2 OF 3REV. BBEARING, PLAIN, SEL
12、F-ALIGNING, CHAMFERED OUTER RING TABLE 1 DIMENSIONS AND LOADS (CONTINUED) DASHNO.R RADIUS(REF)BALL DIA. MAX. ALLOY STEEL ALUM BRONZE-03 -04 .045.407 .501 .438 .501 -05 -06 -07 -08 -09 .065 .563 .657 .719 .814 .907 .594 .657 .719 .814 .907 -10 -12 -14 -16 .088 .970 1.188 1.313 1.501 1.001 1.251 1.376
13、 1.563 REQUIREMENTS: 1. MATERIAL: BALL - 52100 AMS6440, AMS6444, AMS-S-7420 OR 440C AMS5630 RACE - CODES: “S“ ALLOY STEEL, AMS-S-5000, AMS-S-6758 OR AMS-S-6050. “B“ ALUMINUM BRONZE PER ASTM B 124/B 124M, ASTM B 150, ASTM B 169/B 169M AND B 283-EXCEPT THE CHEMICAL COMPOSITION SHALL BE: ELEMENT CU AL
14、FE NI SI MN SN ZN SUM OF NAMED ELEMENTS MIN PERCENT 80.0 TO 93.0 6.5 TO 11.0 4.0 MAX 1.0 MAX(d)2.2 MAX(d)1.5 MAX .60 MAX 1.0 MAX 99.5 (d) WHEN BOTH SILICON AND NICKEL ARE PRESENT, ONLY ONE SHALL BE IN EXCESS OF 0.25 PERCENT. 2. FINISH: BALL - CHROME PLATE AMS2460, CLASS 2D, 0.0002 INCH MINIMUM ON SP
15、HERICAL SURFACES AND ON FACES, PLATING RUNOUT ON BALL ID CHAMFERS ALLOWED. DIMS APPLY AFTER PLATE. SHOT PEEN PRIOR TO PLATE NOT REQUIRED. FINISH: RACE - CAD PLATE PER AMS-QQ-P-416, TYPE 1, CLASS 2. DIMS APPLY AFTER PLATE. 3. HARDNESS: BALL - HRC 56 MINIMUM. RACE - ALLOY STEEL, HRC 27-36, APPLIES PRI
16、OR TO RACE ASSEMBLY (SWAGING). 4. LUBRICATION: PREPACKED WITH MIL-G-21164 GREASE. 5. SURFACE TEXTURE ( INCHES): SPHERICAL SURFACE OF BALL 8 RA; BORE, BALL FACE AND OUTER RACE O.D. 32 RA. ALL OTHER SURFACES 125 RA, IN ACCORDANCE WITH ASME B 46.1. 6. TEMPERATURE RANGE: -65 TO +250 F. 7. INTERNAL CLEAR
17、ANCE MEASURED UNDER A 5.5 LB. MINIMUM GAGE LOAD: RADIAL CLEARANCE 0.0005 TO 0.0020 INCH AXIAL CLEARANCE 0.010 INCH MAXIMUM 8. BREAK SHARP EDGES AND CORNERS AND REMOVE ALL BURRS AND SLIVERS. 9. DIMENSIONS IN INCHES. UNLESS OTHERWISE SPECIFIED, TOLERANCES: DECIMALS .010, ANGLES 1/2 DEGREE. 10. OUTER R
18、ACE PLATING: BASE PART NUMBER, DEFAULT PLATING IS CADMIUM PLATE PER AMS-QQ-P-416, TYPE 1, CL. II ON ALL EXTERNAL SURFACES OF THE RACE; OPTIONAL, AT THE OPTION OF THE MANUFACTURER, ZINC NICKEL PLATE PER AMS2417, TYPE 2, ON ALL EXTERNAL SURFACES OF THE RACE. PLATING RUNOUT (WHICH MAY BE INCOMPLETE AND
19、 MISSING) MAY OCCUR IN THE RACE ID CHAMFER/SETBACK REGION ON THE RACE. OUTER RACE: PLATING, WHEN SPECIFIED (AS DEFINED IN NOTE 4), SHALL BE ZINC-NICKEL PLATING PER AMS2417, TYPE 2, ON ALL EXTERNAL SURFACES OF THE RACE. PLATING RUNOUT (WHICH MAY BE INCOMPLETE AND MISSING) MAY OCCUR IN THE RACE ID CHA
20、MFER/SETBACK REGION ON THE RACE. AEROSPACE STANDARD AS21155SHEET 3 OF 3REV. BBEARING, PLAIN, SELF-ALIGNING, CHAMFERED OUTER RING 11. DIMENSIONS OF LUBRICATION HOLES AND I.D. GROOVES ON RACE MAY CHANGE AFTER THE FORMING ASSEMBLY OF THE RACE AROUND THE BALL (SWAGING PROCESS), BUT SHALL NOT PREVENT THE
21、 FLOW OF GREASE. NOTICE THIS DOCUMENT REFERENCES A PART WHICH CONTAINS CADMIUM AS A PLATING MATERIAL. CONSULT LOCAL OFFICIALS IF YOU HAVE QUESTIONS CONCERNING CADMIUMS USE. NOTES: 1. DIMENSIONS ARE IN INCHES. UNLESS OTHERWISE SPECIFIED, TOLERANCES ARE; DECIMALS .010 AND ANGLES 0.5 DEGREES. 2. BREAK
22、SHARP EDGES AND CORNERS AND REMOVE ALL BURRS AND SLIVERS. 3. DASH NUMBER DESIGNATES NOMINAL BORE DIA IN SIXTEENTHS OF AN INCH. 4. EXAMPLE OF PART NUMBER: MS21155 X X X E WHEN SPECIFIED WITH “E” RACE EXTERNAL SURFACES SHALL BE ZINC NICKEL PLATED. WHEN THERE IS NO “E” SUFFIX, RACE EXTERNAL SURFACES SHALL BE CADMIUM PLATED OR ZINC NICKEL PLATED AT THE OPTION OF THE SUPPLIER. SEE REQUIREMENT 10 (ABOVE). BORE DIAMETER CODE IN MULTIPLES OF 1/16 in (2 DIGIT BORE CODE REQUIRED) OUTER RACE MATERIAL CODE “S”=STEEL, B”=ALUMINUM BRONZE BASIC PART NUMBER EXAMPLE: MS21155S05
