ASTM F2332-2006 Standard Specification for Annular Ball Bearings for Instruments and Precision Rotating Components《仪器径向轴承和精密旋转部件用标准规范》.pdf

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1、Designation: F 2332 06Standard Specification forAnnular Ball Bearings for Instruments and PrecisionRotating Components1This standard is issued under the fixed designation F 2332; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the

2、year of last revision. A number in parentheses indicates the year of last reapproval. Asuperscript epsilon (e) 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 rotatin

3、g 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. S

4、uch 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 maintaine

5、d 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 activity Custodians Review activitiesNavy - AS Army - AT Army-AVNavy - AS Navy - MC, SHAir Force - 99 Air Force84

6、DLA - 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 bea

7、ring, 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 instrum

8、ents 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 VIAn

9、nular ball bearing, for instruments andprecision rotating components, angular contact, flanged, non-separable, 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,separabl

10、e, and stepped inner ring; (See Annex A25-AnnexA28)1.4.8 Type VIIIAnnular ball bearing, for instruments andprecision rotating components, angular contact, flanged, sepa-rable, and stepped inner ring; (See Annex A29-Annex A32)1.4.9 Type IXAnnular ball bearing, for instruments andprecision rotating co

11、mponents, angular contact, unflanged,nonseparable, and stepped inner ring. (See Annex A33-AnnexA36)1.5 Inch-Pound SpecificationThis specification coversonly the inch-pound bearings.1.6 This standard does not purport to address all of thesafety concerns, if any, associated with its use. It is theresp

12、onsibility 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:3A 240/A 240M Specification for Chromium andChromium-Nickel Stainless Steel Plate, Sheet, a

13、nd Stripfor Pressure Vessels and for General ApplicationsA 313/A 313M Specification for Stainless Steel SpringWire1This specification is under the jurisdiction ofASTM Committee F34 on RollingElement Bearings and is the direct responsibility of Subcommittee F34.06 onAerospace.Current edition approved

14、 Nov. 1, 2006. Published February 2007.2The 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 Custome

15、r Service at serviceastm.org. For Annual Book of ASTMStandards volume information, refer to the standards Document Summary page onthe ASTM website.1Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.A 380 Practice for Cleaning, Descaling

16、, and Passivation ofStainless Steel Parts, Equipment, and SystemsA 580/A 580M Specification for Stainless Steel WireA 666 Specification for Annealed or Cold-Worked Austen-itic Stainless Steel Sheet, Strip, Plate, and Flat BarA 756 Specification for Stainless Anti-Friction BearingSteelA 967 Specifica

17、tion for Chemical Passivation Treatmentsfor Stainless Steel PartsD 2273 Test Method for Trace Sediment in Lubricating OilsE 45 Test Methods for Determining the Inclusion Contentof SteelE 140 Hardness Conversion Tables for Metals RelationshipAmong Brinell Hardness, Vickers Hardness, RockwellHardness,

18、 Superficial Hardness, Knoop Hardness, andScleroscope Hardness2.2 ABMA Standards:4STD 1 Terminology for Anti-Friction Ball and Roller Bear-ings and PartsSTD 10 Metal BallsSTD 12.2 Instruments Ball BearingsInch Design2.3 SAE-AMS Specifications:5SAE-AMS 2303 Aircraft Quality Steel Cleanliness, Marten-

19、sitic Corrosion Resistant Steels, Magnetic Particle Inspec-tion ProcedureSAE-AMS 5688 Steel, Corrosion Resistant Wire, 18CR-9.0NI, (SAE 30302), Spring TemperSAE-AMS 5880 Steel, Corrosion Resistant Bars, Wire andForgings, 17CR-0.52MO (0.95-1.2C)SAE-AMS 6444 Steel Bars, Forgings, and Mechanical Tub-in

20、g, 1.45 Cr (0.98-1.10C) (SAE 52100) Premium AircraftQuality Consumable Electrode Vacuum MeltedSAE-AMS-QQ-S-763 Steel Bars, Wire, Shapes, and Forg-ings, Corrosion Resistant2.4 ASME Standards:6B46.1 Surface Texture (Surface Roughness, Waviness andLay)B89.3.1 Measurement of Out of Roundness2.5 ASQC Sta

21、ndards:7Z1.4 Sampling Procedures and Tables for Inspection byAttributes2.6 NCLS Standard8Z540.1 Laboratories, Calibration, Measuring and TestEquipment2.7 ISO Standards:9ISO 1224 Bearings, RollingInstrument Precision Bear-ingsISO 3290 Bearings, RollingBallsDimensions and Toler-ancesISO 10012-1 Qualit

22、y Assurance Requirements for Measur-ing EquipmentISO 14644-1 Cleanrooms and Associated Controlled Envi-ronments. Part 1: Classification of Air CleaninessISO 14644-2 Cleanrooms and Associated Controlled Envi-ronments. Part 2: Specifications for Testing and Monitor-ing to Provide Continued Compliance

23、with ISO 14644-12.8 Department of Defense:10Specifications:MIL-DTL-197 Packaging of Bearings,Associated Parts andSub-AssembliesMIL-PRF-6085 Lubricating Oil, Instrument, Aircraft, LowVolatilityMIL-PRF-23827 Grease, Aircraft and Instrument, Gear andActuator Screw, NATO Code G-354, MetricMIL-DTL-53131

24、Lubricating Oil, Precision Rolling Ele-ment Bearing, Polyalphaolefin BasedMIL-S-81087 Silicone Fluid, Chlorinated Phenyl MethylPolysiloxane, NATO Code Number H-536MIL-PRF-81322 Grease, Aircraft, General Purpose, WideTemperature RangeMIL-B-81744 Barrier Coating Solution, Lubricant Migra-tion Deterrin

25、gDOD-L-81846 Lubricating Oil, Instrument, Ball Bearing,High Flash PointMIL-G-81937 Grease, Instrument, Ultra Clean, MetricMIL-PRF-83261 Grease, Aircraft, Extreme Pressure, Anti-WearStandards:MIL-STD-129 Military MarkingMIL-STD-130 Identification Marking of U.S. MilitaryPropertyMIL-STD-206 Friction T

26、orque Testing for Bearings, Ball,Annular (Instrument Type)MIL-STD-1334 Process for Barrier Coating of Anti-Friction BearingsMIL-STD-1647 Identification Markings for DomesticallyManufactured Bearings, Ball,Annular for Instruments andPrecision Components2.9 Federal Standards:FED-STD-791 Lubricants, Li

27、quid Fuel and Related Prod-ucts, Methods of Testing103. Performance Requirements3.1 AnnexesThe individual item requirements shall be asspecified herein and in accordance with the applicable annex.In the event of any conflict between the requirements of thisspecification and the annexes, the latter s

28、hall govern.3.2 Materials:3.2.1 Ball and Ring MaterialsBalls and rings shall bemade of corrosion-resistant steel, 440C (UNS S44004), con-forming to SAE-AMS 5880 or A 756; chromium-alloy steel4Available from the American Bearing Manufacturers Association, 2025 M St.NW, Suite 800, Washington, DC 20036

29、, http:/www.amba-dc.org/.5Available from Society of Automotive Engineers (SAE), 400 CommonwealthDr., Warrendale, PA 15096-0001, http:/www.sae.org.6Available from American Society of Mechanical Engineers (ASME), ASMEInternational Headquarters, Three Park Ave., New York, NY 10016-5990, http:/www.asme.

30、org.7Available from American Society for Quality (ASQ), 600 N. Plankinton Ave.,Milwaukee, WI 53203, http:/www.asq.org.8National Conference of Standards Laboratories (NCSL) Intl, 1800 30th Street,Suite 305, Boulder, CO 80301-1026, http:/www.ncsli.org/9Available from American National Standards Instit

31、ute (ANSI), 25 W. 43rd St.,4th Floor, New York, NY 10036, http:/www.ansi.org.10Available from Standardization Documents Order Desk, DODSSP, Bldg. 4,Section D, 700 Robbins Ave., Philadelphia, PA 19111-5094, http:/assist.daps.dla.mil/.F233206252100 (UNS G52986) conforming to SAE-AMS 6444 asspecified b

32、y the applicable annexes. (A single material isrepresented by each annex.)3.2.1.1 Material Cleanliness/Inclusion Content440Ccorrosion-resistant steels used for production of bearings shallmeet the cleanliness requirements of SAE-AMS 5880.Chromium-alloy steel used for the production of bearings shall

33、meet the cleanliness requirements of SAE-AMS 6444.3.2.1.2 PassivationPassivation shall be accomplished inaccordance with A 380 and A 967 on all bearing componentsfabricated from corrosion-resistant steel after completion of allmachining or metal-removing operations and before assembly.3.2.2 Retainer

34、 MetalWhen corrosion-resistant steel isspecified, crown retainers shall be UNS S41000 and ribbonretainers shall be either UNS S30200, UNS S30500, or UNSS43000 in accordance with A 240/A 240M or A 666. Configu-ration shall be as specified by the part number designator in theRetainer table of the anne

35、xes.3.2.3 Shield MaterialShield material shall be corrosion-resistant steel conforming to A 580/A 580M, Condition A,A 240/A 240M,orA 666.3.2.4 Snap Ring MaterialSnap ring material shall becorrosion-resistant steel conforming to A 313/A 313M, Type302, Class 1 or SAE-AMS 5688.3.2.5 Seal MaterialSeal m

36、aterials shall be as specified bythe part number designator in the Closures tables of theannexes. Materials shall be compatible with and shall beresistant to deterioration caused by lubricant, preservative,hydraulic fluid, solvents, or other substances and chemicalsthat can be expected to come into

37、contact with the bearing andshall cause no deterioration of the same. Seal materials shallnot affect or be affected by the lubricants and solvents referredto in this specification. Synthetic rubber seals shall operatefrom 65 to 230F (54 to 110C).3.3 Design and ConstructionBearings shall be of thedes

38、ign, construction, and physical dimensions specified on theapplicable annex (see 3.1).3.4 ClosuresThe number, type, and locations of closuresshall be as specified by the part number designator in theClosures tables of the annexes. Unless otherwise specified,location for single closures shall be on e

39、ither side of asymmetrical bearing.3.4.1 Closure AttachmentClosures shall be securely at-tached to the outer ring and shall permit removal and reinstal-lation using common bearing working tools. Snap ring wiresare preferred, but “self-holding” closures are permitted pro-vided they withstand service

40、vibration conditions withoutbecoming detached. Reinstallation does not apply to syntheticrubber seals.3.5 Visual Requirements:3.5.1 Surface AppearanceCylindrical mounting surfaces,cage piloting lands, and faces of inner and outer rings shallhave a smooth finished appearance characteristic of one orm

41、ore of the following processes: grinding, honing, lapping,polishing, or tumbling. The surfaces shall be free of visible toolmarks, chatter and waviness, scratches with raised metal, pits,rust, or other surface imperfections. Metal retainers, snap rings,and closures shall have a smooth finished appea

42、rance charac-teristic of a tumbling process and shall be free of burrs, dents,and folded material. Machined nonmetallic retainers shall befree of delaminations and shall be deburred.3.5.2 Cracks and FracturesRings, balls, retainers, snaprings, and closures shall be free of cracks and fractures.3.5.3

43、 Material ImperfectionsNonmetallic retainers shallhave no material imperfections, such as chipping and pits, inball contact areas, and material imperfections in other areasshall not exceed 0.015-in. (0.038-cm) major dimension.3.5.4 Particulate ContaminationAll exterior surfaces andinterior areas of

44、the bearing shall be free of foreign particlesvisible using 103 magnification.3.6 Dimensions:3.6.1 Boundary DimensionsThe boundary dimensions foreach specification sheet shall be in accordance with theBoundary Dimensions table of that annex.3.6.2 Tolerance ClassTolerance classes for ABEC 5P or7P sha

45、ll be in accordance with the tolerance tables of ABMAStandard 12.2. The tolerance classes shall apply to all bearingsizes listed in the Boundary Dimensions tables of the annexes.3.6.3 RoundnessRaceways shall be round within the val-ues specified in Table 1 when measured by the minimum radialseparati

46、on (MRS) method. This method consists of construct-ing two concentric circles, which fully encompasses the polartrace of the measured surface and have the least possible radialseparation. This radial separation is the measurement of out ofroundness.3.6.4 Radial Internal ClearanceRadial internal clea

47、rance(radial play) of deep groove radial bearings shall be asspecified by the part number designator in the Radial InternalClearance tables of the annexes.3.6.5 Contact AngleThe contact angle or radial internalclearance of angular contact bearings shall be as specified bythe part number designator i

48、n the Radial Internal Clearancetables of the annexes and reflects the unit of the appropriatemethod of measurement. The contact angle shall be as definedby ABMA Standard 1. A bearing offered with a singularcontact angle shall obtain that value within 61.5 whenmeasured in accordance with 4.7.5.1.3.7

49、Performance TestThe performance test shall be asspecified by the part number designator in the PerformanceTest tables of the annexes.3.7.1 Starting TorqueMaximum starting torque shall be inaccordance with the values listed in Table 2.3.8 Ball QualityThe minimum quality level of ball geom-etry and surface roughness for all bearings of both ABECtolerance levels shall be a Grade 5 (G5) as selected from thegrade levels specified in ABMA Standard 10/ISO 3290. Theballs in each bearing shall come from the same ball lot or beinspected to be