ASTM_F_2332_-_06_2013.pdf

Designation:F233206(Reapproved 2013)Standard Specification forAnnular Ball Bearings for Instruments and PrecisionRotating Components1This standard is issued under the fixed designation F2332;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the year of last revision.A number in parentheses indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope1.1 This specification covers annular ball bearings intendedprimarily for use in instrument and precision rotating compo-nents.Instrument and precision ball bearings should meettolerances specified in ABMA Standard 12.2,Instrument BallBearings Inch Design for Classes ABEC 5P and 7P.1.2 Intended UseBall bearings defined by this specifica-tion are intended for use in critical components of instrumentsystems.Such components range from air circulating blowersand drive motors through precision gear trains,gyro gimbals,and pickoffs to rate integrating spin-motors.1.3 The specification contains many of the requirements ofMIL-B-81793,which was originally developed by the Depart-ment of Defense and maintained by the Naval Air SystemsCommand(Navy-AS)in Lakehurst,NJ.The following gov-ernment activity codes may be found in the Department ofDefense,Standardization Directory SD-1.2Preparing activityCustodiansReview activitiesNavy-ASArmy-ATArmy-AVNavy-ASNavy-MC,SHAir Force-99Air Force84DLA-GS1.4 ClassificationAnnular ball bearings for instrumentand precision rotating components shall be of the followingtypes,as specified:1.4.1 Type IAnnular ball bearing,for instruments andprecision rotating components,deep groove,unflanged;(SeeAnnex A1 Annex A4)1.4.2 Type IIAnnular ball bearing,for instruments andprecision rotating components,deep groove,flanged;(SeeAnnex A5 Annex A8)1.4.3 Type IIIAnnular ball bearing,for instruments andprecision rotating components,deep groove,unflanged,innerring extended;(See Annex A9 Annex A12)1.4.4 Type IVAnnular ball bearing,for instruments andprecision rotating components,deep groove,flanged,inner ringextended;(See Annex A13 Annex A16)1.4.5 Type VAnnular ball bearing,for instruments andprecision rotating components,angular contact,unflanged,nonseparable,and counterbored outer ring;(See Annex A17 Annex A20)1.4.6 Type VIAnnular ball bearing,for instruments andprecision rotating components,angular contact,flanged,nonseparable,and counterbored outer ring on flange side;(SeeAnnex A21 Annex A24)1.4.7 Type VIIAnnular ball bearing,for instruments andprecision rotating components,angular contact,unflanged,separable,and stepped inner ring;(See Annex A25 AnnexA28)1.4.8 Type VIIIAnnular ball bearing,for instruments andprecision rotating components,angular contact,flanged,separable,and stepped inner ring;(See Annex A29 AnnexA32)1.4.9 Type IXAnnular ball bearing,for instruments andprecision rotating components,angular contact,unflanged,nonseparable,and stepped inner ring.(See AnnexA33 AnnexA36)1.5 Inch-Pound SpecificationThis specification coversonly the inch-pound bearings.1.5.1 The values stated in inch-pound units are to beregarded as standard.No other units of measurement areincluded in this standard.1.6 This standard does not purport to address all of thesafety concerns,if any,associated with its use.It is theresponsibility of the user of this standard to establish appro-priate safety and health practices and determine the applica-bility of regulatory requirements prior to use.2.Referenced Documents2.1 ASTM Standards:3A240/A240M Specification for Chromium and Chromium-Nickel Stainless Steel Plate,Sheet,and Strip for Pressure1This specification is under the jurisdiction ofASTM Committee F34 on RollingElement Bearings and is the direct responsibility of Subcommittee F34.06 onAerospace.Current edition approved May 1,2013.Published October 2013.Originallyapproved in 2006.Last previous edition approved in 2006 as D7476-06.DOI:10.1520/F2332-06R13.2The military codes that are listed in SD-1 give the address and phone numbersof the DoD contacts.These are found in the DoDs ASSIST website http:/assist.daps.dla.mil/.3For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStandards volume information,refer to the standards Document Summary page onthe ASTM website.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 Vessels and for General ApplicationsA313/A313M Specification for Stainless Steel Spring WireA380 Practice for Cleaning,Descaling,and Passivation ofStainless Steel Parts,Equipment,and SystemsA580/A580M Specification for Stainless Steel WireA666 Specification for Annealed or Cold-Worked AusteniticStainless Steel Sheet,Strip,Plate,and Flat BarA756 Specification for Stainless Anti-Friction Bearing SteelA967 Specification for Chemical Passivation Treatments forStainless Steel PartsD2273 Test M