NAVY MIL-B-81793 D-1993 BEARINGS BALL ANNULAR FOR INSTRUMENTS AND PRECISION ROTATING COMPONENTS《仪表及精密旋转部件环形钢球轴承》.pdf

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

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