ASTM F2094-01a

NOTICE: This standard has either been superceded and replaced by a new version or discontinued.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 – 01a
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.
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1. Scope E 384 Test Method for Microhardness of Materials
E 831 Test Method for Linear Thermal Expansion of Solid
1.1 This specification covers the establishment of the basic
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Materials by Thermomechanical Analysis
quality, physical/mechanical property, and test requirements
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E 1417 Practice for Liquid Penetrant Examination
for silicon nitride balls Classes I, II, and III to be used for ball
2.3 ANSI Standard:
bearings and specialty ball applications.
ANSI/ASQC Z1.4 Sampling Procedures and Tables for
1.2 The values stated in either SI units or inch-pound units
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Inspection by Attributes
are to be regarded separately as standard. The values stated in
2.4 ABMA Standards:
each system are not exact equivalents; therefore, each system
STD 1 Terminology for Anti-Friction Ball and Roller Bear-
must be used independently of the other. Combining values
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ings and Parts
from the two systems may result in nonconformance with the
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STD 10 Metal Balls
specification.
2.5 ASME Standard:
2. Referenced Documents B 46.1 Surface Texture (Surface Roughness, Waviness, and
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Lay)
2.1 Order of Precedence:
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2.6 DIN Standards:
2.1.1 In the event of a conflict between the test of this
5401 Rolling Bearings; Balls of Through-Hardening Roll-
document and the references herein, the text of this document
ing Bearing Steel, Part 1
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 2
tion has been obtained.
2.7 ISO Standards:
2.2 ASTM Standards:
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3290 Rolling Bearings, Bearing Parts, Balls for Rolling
C 373 Test for Water Absorption, Bulk Density
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Bearings
C 1161 Test Method for Flexural Strength of Advanced
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4505 Hardmetals—Metallographic Determination of Poros-
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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R 1601 Testing Method for Flexural Strength (Modulus of
Sonic Resonance
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Rupture) of High Performance Ceramics
C 1239 Practice for the Reporting Uniaxial Strength Data
R 1602 Testing Method for Elastic Modulus of High Per-
and Estimating Weibull Distribution Parameters for Ad-
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formance Ceramics
vanced Ceramics
R 1603 Methods for Chemical Analysis of Fine Silicon
C 1327 Test Method for Vickers Indentation Hardness of
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3
Nitride Powders for Fine Ceramics
Advanced Ceramics
C 1421 Test Methods for the Determination of Fracture
Toughness of Advanced Ceramic Materials at Ambient
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3
Annual Book of ASTM Standards, Vol 03.01.
Temperatures
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Annual Book of ASTM Standards, Vol 14.02.
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E 165 Test Method for Liquid Penetrant Examination
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Application for copies should be addressed to the American National Standards
Institute, 11 West 42nd Street, 13th Floor, New York, NY 10036.
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Application for copies should be addressed to the American Bearing Manufac-
turer’s Association, 1200 19th Street NW, Suite 300, Washington, DC 20036-2401.
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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 Society of
Element Bearings and is the direct responsibility of Subcommittee F34.01 on Mechanical Engineers, 345 East Street, New York, NY 10017.
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Rolling Elements. Application for copies should be addressed to the Deutsches Institut Für
Current edition approved Oct 10, 2001. Published December 2001. Originally Normung (German Standards Institute), Burggrafenstrasse 6, D 10787 Berlin,
published as F 2094 – 01. Last previous edition F 2094 – 01. Germany.
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Annual Book of ASTM Standards, Vol 15.02. Application for copies should be addressed to the American National Stan-
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Annual Book of ASTM Standards, Vol 15.01. dards Institute, 11 West 42nd Street, New York, NY 10036-8002.
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Annual Book of ASTM Standards, Vol 03.03. Application for copies should be addressed to the Japanese Standards
Association, 1-24 Akasaka 4 chome, Minato-ku, Tokyo. 107 Japan.
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 th
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