ASTM F2332-06(2013)

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

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.
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 sp...

General Information

• Status: Historical
• Publication Date: 30-Apr-2013
• ICS: 21.100.10 - Plain bearings
• Technical Committee: F34 - Rolling Element Bearings
• Drafting Committee: F34.06 - Aerospace

Standards Content (Sample)

NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information
Designation:F2332 −06 (Reapproved 2013)
Standard Specification for
Annular Ball Bearings for Instruments and Precision
Rotating Components
This standard is issued under the fixed designation F2332; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision.Anumber in parentheses indicates the year of last reapproval.A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope 1.4.4 Type IV—Annular ball bearing, for instruments and
precisionrotatingcomponents,deepgroove,flanged,innerring
1.1 This specification covers annular ball bearings intended
extended; (See Annex A13 – Annex A16)
primarily for use in instrument and precision rotating compo-
1.4.5 Type V—Annular ball bearing, for instruments and
nents. Instrument and precision ball bearings should meet
precision rotating components, angular contact, unflanged,
tolerances specified in ABMA Standard 12.2, Instrument Ball
nonseparable, and counterbored outer ring; (See AnnexA17 –
Bearings Inch Design for Classes ABEC 5P and 7P.
Annex A20)
1.2 Intended Use—Ball bearings defined by this specifica-
1.4.6 Type VI—Annular ball bearing, for instruments and
tion are intended for use in critical components of instrument
precision rotating components, angular contact, flanged,
systems. Such components range from air circulating blowers
nonseparable, and counterbored outer ring on flange side; (See
and drive motors through precision gear trains, gyro gimbals,
Annex A21 – Annex A24)
and pickoffs to rate integrating spin-motors.
1.4.7 Type VII—Annular ball bearing, for instruments and
1.3 The specification contains many of the requirements of precision rotating components, angular contact, unflanged,
separable, and stepped inner ring; (See Annex A25 – Annex
MIL-B-81793, which was originally developed by the Depart-
ment of Defense and maintained by the Naval Air Systems A28)
1.4.8 Type VIII—Annular ball bearing, for instruments and
Command (Navy-AS) in Lakehurst, NJ. The following gov-
ernment activity codes may be found in the Department of precision rotating components, angular contact, flanged,
separable, and stepped inner ring; (See Annex A29 – Annex
Defense, Standardization Directory SD-1.
A32)
Preparing activity Custodians Review activities
Navy - AS Army - AT Army-AV 1.4.9 Type IX—Annular ball bearing, for instruments and
Navy - AS Navy - MC, SH
precision rotating components, angular contact, unflanged,
Air Force - 99 Air Force–84
nonseparable,andsteppedinnerring.(SeeAnnexA33–Annex
DLA - GS
A36)
1.4 Classification—Annular ball bearings for instrument
and precision rotating components shall be of the following 1.5 Inch-Pound Specification—This specification covers
only the inch-pound bearings.
types, as specified:
1.4.1 Type I—Annular ball bearing, for instruments and 1.5.1 The values stated in inch-pound units are to be
regarded as standard. No other units of measurement are
precision rotating components, deep groove, unflanged; (See
Annex A1 – Annex A4) included in this standard.
1.4.2 Type II—Annular ball bearing, for instruments and
1.6 This standard does not purport to address all of the
precision rotating components, deep groove, flanged; (See
safety concerns, if any, associated with its use. It is the
Annex A5 – Annex A8)
responsibility of the user of this standard to establish appro-
1.4.3 Type III—Annular ball bearing, for instruments and
priate safety and health practices and determine the applica-
precision rotating components, deep groove, unflanged, inner
bility of regulatory requirements prior to use.
ring extended; (See Annex A9 – Annex A12)
2. Referenced Documents
2.1 ASTM Standards:
ThisspecificationisunderthejurisdictionofASTMCommitteeF34onRolling
Element Bearings and is the direct responsibility of Subcommittee F34.06 on
A240/A240MSpecification for Chromium and Chromium-
Aerospace.
Nickel Stainless Steel Plate, Sheet, and Strip for Pressure
Current edition approved May 1, 2013. Published October 2013. Originally
approved in 2006. Last previous edition approved in 2006 as D7476 - 06. DOI:
10.1520/F2332-06R13. For referenced ASTM standards, visit the ASTM website, www.astm.org, or
The military codes that are listed in SD-1 give the address and phone numbers contactASTM Customer Service at [e-mail]. ForAnnual Book ofASTM
of the DoD contacts. These are found in the DoD’s ASSIST website http:// Standards volume information, refer to the standard’s Document Summary page on
assist.daps.dla.mil/. the ASTM website.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
F2332−06 (2013)
Vessels and for General Applications ISO 3290Bearings, Rolling–Balls–Dimensions and Toler-
A313/A313MSpecification for Stainless Steel Spring Wire ances
A380Practice for Cleaning, Descaling, and Passivation of ISO 10012-1Quality Assurance Requirements for Measur-
Stainless Steel Parts, Equipment, and Systems ing Equipment
A580/A580MSpecification for Stainless Steel Wire ISO 14644-1Cleanrooms and Associated Controlled Envi-
A666SpecificationforAnnealedorCold-WorkedAustenitic ronments. Part 1: Classification of Air Cleaniness
Stainless Steel Sheet, Strip, Plate, and Flat Bar ISO 14644-2Cleanrooms and Associated Controlled Envi-
A756Specification for StainlessAnti-Friction Bearing Steel ronments. Part 2: Specifications for Testing and Monitor-
A967Specification for Chemical PassivationTreatments for ing to Provide Continued Compliance with ISO 14644-1
Stainless Steel Parts
2.8 Department of Defense:
D2273Test Method for Trace Sediment in Lubricating Oils
Specifications:
E45Test Methods for Determining the Inclusion Content of
MIL-DTL-197Packaging of Bearings,Associated Parts and
Steel
Sub-Assemblies
E140Hardness Conversion Tables for Metals Relationship
MIL-PRF-6085Lubricating Oil, Instrument, Aircraft, Low
Among Brinell Hardness, Vickers Hardness, Rockwell
Volatility
Hardness, Superficial Hardness, Knoop Hardness, Sclero-
MIL-PRF-23827Grease, Aircraft and Instrument, Gear and
scope Hardness, and Leeb Hardness
Actuator Screw, NATO Code G-354, Metric
2.2 ABMA Standards: MIL-DTL-53131Lubricating Oil, Precision Rolling Ele-
STD 1Terminology for Anti-Friction Ball and Roller Bear-
ment Bearing, Polyalphaolefin Based
ings and Parts
MIL-S-81087Silicone Fluid, Chlorinated Phenyl Methyl
STD 10Metal Balls
Polysiloxane, NATO Code Number H-536
STD 12.2Instruments Ball Bearings—Inch Design
MIL-PRF-81322Grease, Aircraft, General Purpose, Wide
2.3 SAE-AMS Specifications:
Temperature Range
SAE-AMS 2303Aircraft Quality Steel Cleanliness, Marten-
MIL-B-81744Barrier Coating Solution, Lubricant Migra-
siticCorrosionResistantSteels,MagneticParticleInspec-
tion Deterring
tion Procedure
DOD-L-81846Lubricating Oil, Instrument, Ball Bearing,
SAE-AMS 5688Steel, Corrosion Resistant Wire, 18CR-
High Flash Point
9.0NI, (SAE 30302), Spring Temper
MIL-G-81937Grease, Instrument, Ultra Clean, Metric
SAE-AMS 5880Steel, Corrosion Resistant Bars, Wire and
MIL-PRF-83261 Grease, Aircraft, Extreme Pressure,
Forgings, 17CR-0.52MO (0.95-1.2C)
Anti-Wear
SAE-AMS 6444Steel Bars, Forgings, and Mechanical
Standards:
Tubing, 1.45 Cr (0.98-1.10C) (SAE 52100) Premium
MIL-STD-129Military Marking
Aircraft Quality Consumable Electrode Vacuum Melted
MIL-STD-130IdentificationMarkingofU.S.MilitaryProp-
SAE-AMS-QQ-S-763 Steel Bars, Wire, Shapes, and
erty
Forgings, Corrosion Resistant MIL-STD-206Friction Torque Testing for Bearings, Ball,
2.4 ASME Standards:
Annular (Instrument Type)
B46.1Surface Texture (Surface Roughness, Waviness and MIL-STD-1334Process for Barrier Coating ofAnti-Friction
Lay)
Bearings
B89.3.1Measurement of Out of Roundness MIL-STD-1647Identification Markings for Domestically
2.5 ASQC Standards:
ManufacturedBearings,Ball,AnnularforInstrumentsand
Z1.4Sampling Procedures and Tables for Inspection by Precision Components
Attributes
2.9 Federal Standards:
2.6 NCLS Standard
FED-STD-791 Lubricants, Liquid Fuel and Related
Z540.1 Laboratories, Calibration, Measuring and Test
Products, Methods of Testing
Equipment
3. Performance Requirements
2.7 ISO Standards:
ISO1224Bearings,Rolling—InstrumentPrecisionBearings
3.1 Annexes—The individual item requirements shall be as
specified herein and in accordance with the applicable annex.
In the event of any conflict between the requirements of this
Available from the American Bearing Manufacturers Association, 2025 M St.
NW, Suite 800, Washington, DC 20036, http://www.amba-dc.org/.
specification and the annexes, the latter shall govern.
Available from Society of Automotive Engineers (SAE), 400 Commonwealth
3.2 Materials:
Dr., Warrendale, PA 15096-0001, http://www.sae.org.
Available from American Society of Mechanical Engineers (ASME), ASME
3.2.1 Ball and Ring Materials—Balls and rings shall be
International Headquarters, Three Park Ave., New York, NY 10016-5990, http://
made of corrosion-resistant steel, 440C (UNS S44004), con-
www.asme.org.
7 forming to SAE-AMS 5880 or A756; chromium-alloy steel
Available fromAmerican Society for Quality (ASQ), 600 N. PlankintonAve.,
Milwaukee, WI 53203, http://www.asq.org.
National Conference of Standards Laboratories (NCSL) Intl, 1800 30th Street,
Suite 305, Boulder, CO 80301-1026, http://www.ncsli.org/ Available from Standardization Documents Order Desk, DODSSP, Bldg. 4,
Available fromAmerican National Standards Institute (ANSI), 25 W. 43rd St., Section D, 700 Robbins Ave., Philadelphia, PA 19111-5094, http://
4th Floor, New York, NY 10036, http://www.ansi.org. assist.daps.dla.mil/.
F2332−06 (2013)
52100 (UNS G52986) conforming to SAE-AMS 6444 as and closures shall have a smooth finished appearance charac-
specified by the applicable annexes. (A single material is teristic of a tumbling process and shall be free of burrs, dents,
represented by each annex.) and folded material. Machined nonmetallic retainers shall be
free of delaminations and shall be deburred.
3.2.1.1 Material Cleanliness/Inclusion Content—440C
3.5.2 Cracks and Fractures—Rings, balls, retainers, snap
corrosion-resistant steels used for production of bearings shall
rings, and closures shall be free of cracks and fractures.
meet the cleanliness requirements of SAE-AMS 5880.
3.5.3 Material Imperfections—Nonmetallic retainers shall
Chromium-alloysteelusedfortheproductionofbearingsshall
meet the cleanliness requirements of SAE-AMS 6444. have no material imperfections, such as chipping and pits, in
ball contact areas, and material imperfections in other areas
3.2.1.2 Passivation—Passivation shall be accomplished in
shall not exceed 0.015-in. (0.038-cm) major dimension.
accordance with A380 and A967 on all bearing components
3.5.4 Particulate Contamination—All exterior surfaces and
fabricatedfromcorrosion-resistantsteelaftercompletionofall
interior areas of the bearing shall be free of foreign particles
machining or metal-removing operations and before assembly.
visible using 10× magnification.
3.2.2 Retainer Metal—When corrosion-resistant steel is
specified, crown retainers shall be UNS S41000 and ribbon
3.6 Dimensions:
retainers shall be either UNS S30200, UNS S30500, or UNS
3.6.1 Boundary Dimensions—The boundary dimensions for
S43000 in accordance with A240/A240M or A666. Configu-
each specification sheet shall be in accordance with the
rationshallbeasspecifiedbythepartnumberdesignatorinthe
Boundary Dimensions table of that annex.
Retainer table of the annexes.
3.6.2 Tolerance Class—Tolerance classes for ABEC 5P or
3.2.3 Shield Material—Shield material shall be corrosion-
7P shall be in accordance with the tolerance tables of ABMA
resistant steel conforming to A580/A580M, Condition A, Standard 12.2. The tolerance classes shall apply to all bearing
A240/A240M,or A666.
sizes listed in the Boundary Dimensions tables of the annexes.
3.2.4 Snap Ring Material—Snap ring material shall be 3.6.3 Roundness—Raceways shall be round within the val-
corrosion-resistant steel conforming to A313/A313M, Type uesspecifiedinTable1whenmeasuredbytheminimumradial
302, Class 1 or SAE-AMS 5688. separation (MRS) method. This method consists of construct-
3.2.5 Seal Material—Seal materials shall be as specified by ing two concentric circles, which fully encompasses the polar
traceofthemeasuredsurfaceandhavetheleastpossibleradial
the part number designator in the Closures tables of the
annexes. Materials shall be compatible with and shall be separation. This radial separation is the measurement of out of
roundness.
resistant to deterioration caused by lubricant, preservative,
hydraulic fluid, solvents, or other substances and chemicals 3.6.4 Radial Internal Clearance—Radial internal clearance
(radial play) of deep groove radial bearings shall be as
that can be expected to come into contact with the bearing and
shall cause no deterioration of the same. Seal materials shall specified by the part number designator in the Radial Internal
Clearance tables of the annexes.
not affect or be affected by the lubricants and solvents referred
to in this specification. Synthetic rubber seals shall operate 3.6.5 Contact Angle—The contact angle or radial internal
clearance of angular contact bearings shall be as specified by
from −65 to 230°F (−54 to 110°C).
the part number designator in the Radial Internal Clearance
3.3 Design and Construction—Bearings shall be of the
tables of the annexes and reflects the unit of the appropriate
design, construction, and physical dimensions specified on the
method of measurement. The contact angle shall be as defined
applicable annex (see 3.1).
by ABMA Standard 1. A bearing offered with a singular
3.4 Closures—The number, type, and locations of closures
contact angle shall obtain that value within 61.5° when
shall be as specified by the part number designator in the
measured in accordance with 4.7.5.1.
Closures tables of the annexes. Unless otherwise specified,
3.7 Performance Test—The performance test shall be as
location for single closures shall be on either side of a
specified by the part number designator in the Performance
symmetrical bearing.
Test tables of the annexes.
3.4.1 Closure Attachment—Closures shall be securely at-
3.7.1 Starting Torque—Maximumstartingtorqueshallbein
tached to the outer ring and shall permit removal and reinstal-
accordance with the values listed in Table 2.
lation using common bearing working tools. Snap ring wires
3.8 Ball Quality—The minimum quality level of ball geom-
are preferred, but “self-holding” closures are permitted pro-
etry and surface roughness for all bearings of both ABEC
vided they withstand service vibration conditions without
tolerance levels shall be a Grade 5 (G5) as selected f
...