ASTM F2094-03

NOTICE: This standard has either been superceded and replaced by a new version or discontinued.
Contact ASTM International (www.astm.org) for the latest information.
Designation: F 2094 – 03
Standard Specification for
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Silicon Nitride Bearing Balls
This standard is issued under the fixed designation F 2094; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (e) indicates an editorial change since the last revision or reapproval.
1. Scope Estimating Weibull Distribution Parameters for Advanced
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Ceramics
1.1 This specification covers the establishment of the basic
C 1327 Test Method for Vickers Indentation Hardness of
quality, physical/mechanical property, and test requirements
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Advanced Ceramics
for silicon nitride balls Classes I, II, and III to be used for ball
C 1421 Test Methods for Determination of Fracture Tough-
bearings and specialty ball applications.
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ness of Advanced Ceramics at Ambient Temperatures
1.2 The values stated in either SI units or inch-pound units
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E 165 Test Method for Liquid Penetrant Examination
are to be regarded separately as standard. The values stated in
E 384 Test Method for Microindentation Hardness of Ma-
each system are not exact equivalents; therefore, each system
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terials
must be used independently of the other. Combining values
E 831 Test Method for Linear Thermal Expansion of Solid
from the two systems may result in nonconformance with the
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Materials by Thermomechanical Analysis
specification.
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E 1417 Practice for Liquid Penetrant Examination
1.3 The following government interest activity codes may
2.3 ANSI Standard:
be found in the Department of Defense, Standardization
2 ANSI/ASQC Z1.4 Sampling Procedures and Tables for
Directory, SD-1.
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Inspection by Attributes
Preparing Activity Custodians Review Activities
2.4 ABMA Standards:
DLA-GS Army-AT Army-AV, EA, AR, MI
Navy-OS Navy-SH
STD 1 Terminology for Anti-Friction Ball and Roller Bear-
Air Force-99 Air Force-11, 84
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ings and Parts
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STD 10 Metal Balls
2. Referenced Documents
2.5 ASME Standard:
2.1 Order of Precedence:
B 46.1 Surface Texture (Surface Roughness, Waviness, and
2.1.1 In the event of a conflict between the test of this
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Lay)
document and the references herein, the text of this document
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2.6 DIN Standards:
takes precedence. Nothing in this document, however, super-
5401 Rolling Bearings; Balls of Through-Hardening Roll-
sedes applicable laws and regulations unless a specific exemp-
ing Bearing Steel, Part 1
tion has been obtained.
5401 Rolling Bearings; Balls of Through-Hardening Roll-
2.2 ASTM Standards:
ing Bearing Steel, Part 2
C 373 Test for Water Absorption, Bulk Density, Apparent
2.7 ISO Standards:
Porosity, and Apparent Specific Gravity of Fired Whitew-
3290 Rolling Bearings, Bearing Parts, Balls for Rolling
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are Products
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Bearings
C 1161 Test Method for Flexural Strength of Advanced
4505 Hardmetals—Metallographic Determination of Poros-
4
Ceramics at Ambient Temperature
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ity and Uncombined Carbon
C 1198 Test Method for Dynamic Young’s Modulus, Shear
2.8 JIS Standards:
Modulus, and Poisson’s Ratio for Advanced Ceramics by
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Sonic Resonance
C 1239 Practice for Reporting Uniaxial Strength Data and
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Annual Book of ASTM Standards, Vol 03.03.
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Annual Book of ASTM Standards, Vol 03.01.
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Annual Book of ASTM Standards, Vol 14.02.
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This specification is under the jurisdiction of ASTM Committee F34 on Rolling Application for copies should be addressed to the American National Standards
Element Bearings and is the direct responsibility of Subcommittee F34.01 on Institute, 25 West 43rd Street, 4th Floor, New York, NY 10036.
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Rolling Element. Application for copies should be addressed to the American Bearing Manufac-
Current edition approved April 10, 2003. Published May 2003. Originally turer’s Association, 1200 19th Street NW, Suite 300, Washington, DC 20036-2401.
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approved in 2001. Last previous edition approved in 2001 as F 2094 – 01a. Application for copies should be addressed to the American Society of
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The Department of Defense, Standardization Directory, SD-1, may be found at: Mechanical Engineers, 345 East Street, New York, NY 10017.
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http://assist.daps.dla.mil/online/start/. Application for copies should be addressed to the Deutsches Institut Für
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Annual Book of ASTM Standards, Vol 15.02. Normung (German Standards Institute), Burggrafenstrasse 6, D 10787 Berlin,
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Annual Book of ASTM Standards, Vol 15.01. Germany.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
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NOTICE: This standard has either been superceded and replaced by a new version or discontinued.
Contact ASTM International (www.astm.org) for the latest information.
F2094–03
R 1601 Testing Method for Flexural Strength
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