ASTM F2332 - 06(2013)

    Standard Specification for Annular Ball Bearings for Instruments and Precision Rotating Components

    Active Standard ASTM F2332 | Developed by Subcommittee: F34.06

    Book of Standards Volume: 01.08


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    Abstract

    This specification covers annular ball bearings intended primarily for use in instrument and precision rotating components. Annular ball bearings for instrument and precision rotating components shall be of the following types, as specified: type I - deep groove, unflanged; type II - deep groove, flanged; type III - deep groove, unflanged, inner ring extended; type IV - deep groove, flanged, inner ring extended; type V - angular contact, unflanged, nonseparable, and counterbored outer ring; type VI - angular contact, flanged, nonseparable, and counterbored outer ring on flange side; type VII - angular contact, unflanged, separable, and stepped inner ring; type VIII - angular contact, flanged, separable, and stepped inner ring; type IX - angular contact, unflanged, nonseparable, and stepped inner ring. Materials inspection, passivation test, visual inspection, dimensional inspections, radial internal clearance, torque test, ball quality inspection, hardness test, surface roughness test, dimensional stability test, lubricant inspection, and calibration classification inspection shall be performed to meet the requirements prescribed.

    This abstract is a brief summary of the referenced standard. It is informational only and not an official part of the standard; the full text of the standard itself must be referred to for its use and application. ASTM does not give any warranty express or implied or make any representation that the contents of this abstract are accurate, complete or up to date.

    1. Scope

    1.1 This specification covers annular ball bearings intended primarily for use in instrument and precision rotating components. Instrument and precision ball bearings should meet tolerances specified in ABMA Standard 12.2, Instrument Ball Bearings Inch Design for Classes ABEC 5P and 7P.

    1.2 Intended Use—Ball bearings defined by this specification are intended for use in critical components of instrument systems. Such components range from air circulating blowers and drive motors through precision gear trains, gyro gimbals, and pickoffs to rate integrating spin-motors.

    1.3 The specification contains many of the requirements of MIL-B-81793, which was originally developed by the Department of Defense and maintained by the Naval Air Systems Command (Navy-AS) in Lakehurst, NJ. The following government activity codes may be found in the Department of Defense, Standardization Directory SD-1.2

    Preparing activity

    Custodians

    Review activities

    Navy - AS

    Army - AT

    Army-AV

     

    Navy - AS

    Navy - MC, SH

     

    Air Force - 99

    Air Force–84

     

    DLA - GS

     


    1.4 Classification—Annular ball bearings for instrument and precision rotating components shall be of the following types, as specified:

    1.4.1 Type I—Annular ball bearing, for instruments and precision rotating components, deep groove, unflanged; (See Annex A1 – Annex A4)

    1.4.2 Type II—Annular ball bearing, for instruments and precision rotating components, deep groove, flanged; (See Annex A5 – Annex A8)

    1.4.3 Type III—Annular ball bearing, for instruments and precision rotating components, deep groove, unflanged, inner ring extended; (See Annex A9 – Annex A12)

    1.4.4 Type IV—Annular ball bearing, for instruments and precision rotating components, deep groove, flanged, inner ring extended; (See Annex A13 – Annex A16)

    1.4.5 Type V—Annular ball bearing, for instruments and precision rotating components, angular contact, unflanged, nonseparable, and counterbored outer ring; (See Annex A17 – Annex A20)

    1.4.6 Type VI—Annular ball bearing, for instruments and precision rotating components, angular contact, flanged, nonseparable, and counterbored outer ring on flange side; (See Annex A21 – Annex A24)

    1.4.7 Type VII—Annular ball bearing, for instruments and precision rotating components, angular contact, unflanged, separable, and stepped inner ring; (See Annex A25 – Annex A28)

    1.4.8 Type VIII—Annular ball bearing, for instruments and precision rotating components, angular contact, flanged, separable, and stepped inner ring; (See Annex A29 – Annex A32)

    1.4.9 Type IX—Annular ball bearing, for instruments and precision rotating components, angular contact, unflanged, nonseparable, and stepped inner ring. (See Annex A33 – Annex A36)

    1.5 Inch-Pound Specification—This specification covers only the inch-pound bearings.

    1.5.1 The values stated in inch-pound units are to be regarded as standard. No other units of measurement are included in this standard.

    1.6 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory requirements prior to use.


    2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.

    ABMA Standards

    STD10 Metal Balls

    STD12.2 Instruments Ball Bearings--Inch Design

    STD1 Terminology for Anti-Friction Ball and Roller Bearings and Parts

    SAE-AMS Specifications

    SAE-AMS2303 Aircraft Quality Steel Cleanliness, Martensitic Corrosion Resistant Steels, Magnetic Particle Inspection Procedure

    SAE-AMS5688 Steel, Corrosion Resistant Wire, 18CR-9.0NI, (SAE 30302), Spring Temper

    SAE-AMS5880 Steel, Corrosion Resistant Bars, Wire and Forgings, 17CR-0.52MO (0.95-1.2C)

    SAE-AMS6444 Steel Bars, Forgings, and Mechanical Tubing, 1.45 Cr (0.98-1.10C) (SAE 52100) Premium Aircraft Quality Consumable Electrode Vacuum Melted

    SAE-AMS-QQ-S-763 Steel Bars, Wire, Shapes, and Forgings, Corrosion Resistant

    ASME Standards

    B46.1 Surface Texture (Surface Roughness, Waviness and Lay)

    B89.3.1 Measurement of Out of Roundness

    ASTM Standards

    A240/A240M Specification for Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications

    A313/A313M Specification for Stainless Steel Spring Wire

    A380 Practice for Cleaning, Descaling, and Passivation of Stainless Steel Parts, Equipment, and Systems

    A580/A580M Specification for Stainless Steel Wire

    A666 Specification for Annealed or Cold-Worked Austenitic Stainless Steel Sheet, Strip, Plate, and Flat Bar

    A756 Specification for Stainless Anti-Friction Bearing Steel

    A967 Specification for Chemical Passivation Treatments for Stainless Steel Parts

    D2273 Test Method for Trace Sediment in Lubricating Oils

    E45 Test Methods for Determining the Inclusion Content of Steel

    E140 Hardness Conversion Tables for Metals Relationship Among Brinell Hardness, Vickers Hardness, Rockwell Hardness, Superficial Hardness, Knoop Hardness, Scleroscope Hardness, and Leeb Hardness

    ASQC Standards

    Z1.4 Sampling Procedures and Tables for Inspection by Attributes

    NCLS Standard

    ISO Standards

    ISO10012-1 Quality Assurance Requirements for Measuring Equipment

    ISO1224 Bearings, Rolling--Instrument Precision Bearings

    ISO14644-1 Cleanrooms and Associated Controlled Environments. Part 1: Classification of Air Cleaniness

    ISO14644-2 Cleanrooms and Associated Controlled Environments. Part 2: Specifications for Testing and Monitoring to Provide Continued Compliance with ISO 14644-1

    ISO3290 Bearings, Rolling-Balls-Dimensions and Tolerances


    ICS Code

    ICS Number Code 21.100.10 (Plain bearings)

    UNSPSC Code

    UNSPSC Code 31171504(Ball bearings)


    Referencing This Standard

    DOI: 10.1520/F2332

    ASTM International is a member of CrossRef.

    Citation Format

    ASTM F2332-06(2013), Standard Specification for Annular Ball Bearings for Instruments and Precision Rotating Components, ASTM International, West Conshohocken, PA, 2013, www.astm.org

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