1、-IEEMXL-B-81793DMllarch1993SUPERSEZJIWMIL-B-81793C(INPART)25.%pwmher 1987(see6.6.)MIUI!ARYSPB21FICA!CIONBEARIms,BALL,lmNuKAR,Fm3xIRANDPRE3SICXNRUTATIW1. SCOPE1.1 Bearing,hall,annular,forinstmmntsmnpcmnts, deep, f-;Ea3.ring,ball,annular,for “mstxwmnt.sannular,forimtxumntsbeof thefollowingtypes,andpre
2、cisionrotatingandpmcisicmrotatingandprecisionmt.atinq-wntsrq1 -r iTWY= -Bearing,hll, annular,forinstrumentsandprecisionrotatingCCqmnents,deepgroove,flanged,innerringed;Bearing,ball,annular,forinstrumentsandprecisionrotating I titi, til.anged,non-separableandcounterboredouk ring;1 IBeneficial- (recmm
3、datims, zdd.itions,dektims )andw tdatiwhichmy beef usein hpmving thisdocum?ntskmld k ackbssaito:Camwding Offire, NavalAirEngineeringdistributionisun.limitd.Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Bearing,ball,annular,forinstrumentsandprecisio
4、nrotatingCxxpnents, angularmntact.,flarqd,non-separablead counterkmouterringon flangeside;Bearing,ball,annular,forirtstrumntsandprecisionrotatingccmpnents,angularintact,unfIangd,separableandst.eppdinnerring(see6.8.3);wing, hill,annular,forinsts andprwisionrotatingcqxments, angularcmtact,flanged,sepm
5、ableand step inn=ring;Earing, ball, anrlw, for.gyForAti-Erimim W 11lmdRoll= BearingsAtiParts.Ai rdtionforcupiesshouldk addressedw theAnti-l?ritiorlBearingManufacturersAssociation,Inc.,ilOiCmnectkutAve.NW,Suite700,W=hi-nm, K 20036.)InternatimaiS “Zationomamzahon1S03290 Metal=11s.1S01224 InstmnlHltBal
6、lE%3arings.(mlimtim forcupiesshouldbeaddms- to thelum.ricanNationalStaMkds Institute,1430yl - yof Ioolg“)AmericanSocietvfor axximASTMA-313 Specifi=timforChxunim-NicblStAnlessadHeat-ResistingSlx3e.1SW wsA5YMA-380 PracticeforClean. DesmlimgmxirilesssteelPar=, Wptr - S=”ASTMA-5B0 ifimtion forStainless*
7、 HeatResistingsteelwiremds a71ASIUD-2273 LubrimtingOil,Teis rotated twenty fulltires. Di-tric valuesshallbe detem.hdand remrckd foruse in thefollowingapplicablefomulas:f3= CoS-lIDL*“ rpn ofpitxhcircleNi =+ofr = mntact angled = balldiameterltnmuetests.Pretest Ccditionofbearinm. me bearingsshallbefort
8、hetoruuetestsas follcm: BearingsshallbeCif3cJaussedarxiCleanecithomqhly withsolventsfiiteThe931.)6.8,2 Contactlmle. Angularmntact bearingsarecharacterizebya relieved(muntermti outerring or stepped inn= rhg ) swfamwhich permits inclusicmofa gmat.ernumberofballs.IMsenablesthebearingtosustaina thrustle
9、adinadditiontoincreasedradialcqarity. z aitions requireonlythattheunloaddcontactking bemnufactti witha specificradialcleammcrangeandnomasu.mrmt ismadeofLmeobtiledcm tactangle. QLhe.Z”applirt ions require that the contact angle be Mind to a xmrrw(3dq total)rangewhichisaccuratelyneasti.-6.8.3 innerrin
10、a. Theinnerringofa gmvve ballbsa.ringwithoneshoulderccneely orprtiallymmved.6.9 clean a71 1 - ofcl- = a-asculate ccmtaminationwhenviesd under10Xmagnification.Recmmnd thatgreasdbearingsurfaceimpectionabemqmed withpicturesorsanplesofthesamgmase obtaindfrana cleanmm.6.10 Partn*. IhepartnumkerisdevelObY
11、Sel_ acharacteristicfraneachof thetablesina specificatimsheet.EXAMPLE:M81793/xx-mxxxx xxxTABLEI. SURFACEmmD1mS.I (AEm) I(MmaNcmS) I57504016Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-.I , , tIIIS* Cw$-1admvo17Provided by IHSNot for ResaleNo repro
12、duction or networking permitted without license from IHS-,-,-MIL-13-8i793TABLE III. STARTING TORQUE LIMITS-Bearing Size(millimeters)BoreDia.d1.52.02.02.52.53.03.04.04.04.05.05.05.06.06.07.07.07,08.08.08.09.09.010.010.0OutsideDia.D5566771091316111619131914192219222420262630Load(grams)7575757575754004
13、00400400400400400400400400400400400400400400400400400Maximum Starting Torque(milligram-millimeters) /Radial Internal Clearance(Micrometers)2t07180018001800180018001800500050006500750065007500800060008000600081001100010600110001100010800110001120014000!=-u1500150015001500 I1500 1500450045005500650055
14、00650070005200 700052007100950091001100095009300950098001200012 to 20140014001400140014001400420042005000600050006000650048006500480066009000860011000900088009000880010111/ Values in metric units in accordance with standard industrytest instrument calibration.18Provided by IHSNot for ResaleNo reprod
15、uction or networking permitted without license from IHS-,-,-L“A”mlfide*1 *2H2:0 2.0AI3.4 I 4.8.33.3.23.53.5.13.6.13.6.23.6.33.6.43.173.13.33.153.7.13.7.43.7.53.83.8.13.163.3.1.23.7.33.93.103.113.123.13.13.13.13.3.13.3.3.3.33.3.43.3.5i*8.31.8.34.8.34.8.34.8.34.8.34.8.34.8.34.8.11.34.8.3II4.8.4.14.8.5
16、4.8.5.14.8.6.24.8.6.34.8.124.8.24.8.4.24.8.7,4.8.7.1,4.8.7.24.8.84.8.94.8.104.8.11.14.8.11.24.8.14.8.14.8.14.8.14.8.1J20Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-InspectionIADesignandconstructionRetainermterialclosuresClosureattachtSurfaceappez
17、uxwecracks& fractures!4a-iaJ.imperfectionsParticula-cmnma“ tionsVMananShip,5arriercoating -Markingforidentification dimnsiomRYudnessRadialinternalclearance&mtact anglePerformancetestStartingtorqueSurfaceroughnessCalibrationcPassivationBallqualityHardnessofballs& ringsDimensionalsi.lityLubricantLmbri
18、cantcleanlinessBallandringmterialMaterialcleanlimssShieldrmterialSmp ringmaterialSealnerial-IwmrrentParagraph3*43.3.23*53.5.13,6.13.6.23.6.33.6.43.173.13.33.153.7,13.7.33.7.43.7.53.83.8.13.113.163.3.1.23.93.103.123.13.13.13.13.3.13.3.1.13.3.33.3.43.3.5st Paragraph4.8.34.8.34.8.34.8.34.8.34.8.34.8.34
19、.8.34.8.34.8.11.34.8.34.8.4.14.8.4:24.8.54.8.5.14.8.6.24.8.6.34.8.94.8.124.8.24.8.7,4.8.7.1,4.8.7.24.8.84.8.104.8.11.14.8.11.24.8.14.8.14.8.14.8.14.8.121Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-2ritical 0.651.0TAELEVILI.JL4SS IFICATI OF DEFECT
20、S.Descriptionof DefectIxwO- designandcons-ionIrcOrrectine.r Incorrectnunbr,typeor locationofclosureScl notseculdyattachedCracksor fractumsh anyccmpmen*Bamiermat onraceways,mtii.ners,orringlandsPassivationBurrs,dentsor foldedmterialonclosureSmlandnatia orburringof lti =Materialbreakoutofncwmetd.licre
21、Particulatecontamina dim3!lSioIlSOuterring outsidediam3ter()CMer ring(Xlout-f-mCkkerringtaPerOuterringOuw ringOuterringouterringOuterringInnerringInnerringInnerringInnerringInnerringInnerringInnerringradialrumutwidthvariation(XlrunoutwithreferencefacecornerradiiOD/fLangefacetborediamterIxIreOut-of-m
22、tiradialrunOUtwidthvariationhre taperkm? rumut withreferencefacecornerradiiRadialinternal clear-e or contactangleStart.hgtorqueWill qualityHardnessof ballsandringsSurfaoeroughnessof racewapInco lubricantBarriercoatingmss mg fmm requiredsurfaceCalibrationquiremnt3.3.13.3.23.3.33.43.3.23.53.5.13.6.23.
23、13.33.3.1.23.6.13.6.13.6.33.6.43.7.13.7.23.7.23.7.23.7.23.7.23.7.13.7.23.7.13.7.23.7.23.7.23.7.23.7.23.7.13.7.4or 3.7.53.8.13.93.103.113.13.1ei.J3.16-Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-v- , _: -&- .-.Icustodians:Amy-mNavy-xAir Force- 99W
24、view activities:Navy-sHDL?4-ISPreparingactivity:Navy-AsAgent :DLA-IS(lhmject3110-0780)Useractivities:Navy-KAir Force- 8423Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Provided by IHSNot for ResaleNo reproduction or networking permitted without lic
25、ense from IHS-,-,-STANDARDIZATION DOCUMENT IMPROVEMENT PROPOSALINSTRUCTIONS.1. The preparing activity must complete blocks 1, 2, 3, and 8, In block 1, both the document number and revisionletter should be gfven.GZ. Thesubmitterof this form must complete biock$d, 5,6,and 7.3. The preparing activity m
26、ust provide a reply wlthtn 30 days from receipt of the form.NOTE: This form may not be used to requesl copies of documents, nor to request waivers, or clarification Ofrequirements on current contracts. Comments wbmtted on this form do not constitute or imply authorization towaive any portion of the
27、referenced document(s) or to amend contractual requirements.2. DOCUMENT DATE (YYMMOD)$. NATURE OF CHANGE (Identify paragraph number andinckde proposed rewrite, if possible. Attach efirasheersasneeded.)r!-151 REASON FOR RECOMMENDATIONI NAME b TELEPHONE (Include Area Code)(1) Commercial (2) AUTOVONtf
28、c ADDRESS (hwkde Zip Code) I IF YOU DO NOT RECEIVE A REPLY WITiilN a5 DAYS, CONTACT:,Defense Quality and Standardization Off Ice1s203 L$burg Pike, Suite 1403. Falls Church, VA 2201-346bTelephone (703) 756-2340 AUTOVON 289-2340DIJ $J!m 1426, 0 89 Prewou$ edftons are obso/efe 196,290Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
