ASTM D3336-05e1

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Designation:D3336–05
Standard Test Method for
Life of Lubricating Greases in Ball Bearings at Elevated
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Temperatures
This standard is issued under the fixed designation D3336; 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 (´) indicates an editorial change since the last revision or reapproval.
This standard has been approved for use by agencies of the Department of Defense.
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´ NOTE—Adjunct references were corrected editorially in April 2006.
1. Scope temperature. Tests are continued until failure or completion of
a specified number of hours of running time.
1.1 This test method covers the evaluation of the perfor-
mance of lubricating greases in ball bearings operating under
4. Significance and Use
light loads at high speeds and elevated temperatures.
4.1 This test method can be used to evaluate the ability of
1.2 The values stated in inch-pound units are to be regarded
grease to provide adequate lubrication for extended periods of
as standard. The values given in parentheses are mathematical
ball bearings operating under light loads at high speeds and
conversions to SI units that are provided for information only
elevated temperatures.
and are not considered standard.
1.3 This standard does not purport to address all of the ,
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5. Apparatus
safety concerns, if any, associated with its use. It is the
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5.1 Test Spindle (see Figs. 1-4 ), capable of operating at
responsibility of the user of this standard to establish appro-
speeds of 10 000 rpm and temperatures as high as 371°C
priate safety and health practices and determine the applica-
(700°F). The test bearing seat dimension shall be 19.99 to
bility of regulatory limitations prior to use. For specific
20.00 mm (0.7870 to 0.7874 in.). For spindles having the test
warning statements, see 8.1.
bearing and the support bearing in the same housing (CRC
Type, Figs. 1-3)(Note 2) the internal construction of the
2. Referenced Documents
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spindle shall be such that the outboard support bearing, or both
2.1 ASTM Standards:
bearings are free to float axially in the housing. In designs
A600 Specification for Tool Steel High Speed
3 where both bearings are free to float, the spindle shaft shall
2.2 ABMA Standard:
have a 0.508 to 0.762 mm (0.020 to 0.030 in.) free axial
Standard 4, Tolerance Definitions and Gaging Practices for
movement or end play. The outboard bearing seat dimension
Ball and Roller Bearings
should be 19.99 to 20.00 mm (0.7870 to 0.7874 in.).
2.3 ASTM Adjuncts:
4 5.1.1 The test unit design (Fig. 1 and Fig. 2) should be such
Standard Ball Bearings (set of five)
that a finger spring washer produces a 22 to 67 N (5 to 15 lbf)
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3. Summary of Test Method thrust load on the floating outboard support bearing.
5.2 Bearing Housing:
3.1 A grease lubricated SAE No. 204 size ball bearing is
5.2.1 For CRC Type Spindles—The bearing housing diam-
rotated at 10 000 rpm under light load at a specified elevated
eter shall be 47.005 to 47.021 mm (1.8506 to 1.8512 in.) to
give proper bearing mounting. Construction shall be such that
the test bearing is equipped with flush spacers or shields to
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This test method is under the jurisdiction of ASTM Committee D02 on
Petroleum Products and Lubricants and is the direct responsibility of Subcommittee
D02.G0 on Lubricating Grease.
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Current edition approved Nov. 1, 2005. Published November 2005. Originally Complete apparatus is available from Falex Corp., 1020 Airpark Dr., Sugar
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approved in 1975. Last previous edition approved in 2002 as D3336–97(2002) . Grove, IL 60554.
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DOI: 10.1520/D3336-05E01. If you are aware of alternative suppliers, please provide this information to
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For referenced ASTM standards, visit the ASTM website, www.astm.org, or ASTM International Headquarters. Your comments will receive careful consider-
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contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM ation at a meeting of the responsible technical committee, which you may attend.
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Standards volume information, refer to the standard’s Document Summary page on Pope Machinery Corporation GreaseTest Spindles No. P-1911 or P-6301A-HT
the ASTM website. (Fig. 1) and No. P-7605-B (Fig. 2); and Falex Corp. spindles of the type shown in
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Available fromAmerican Bearing ManufacturersAssoc., 2025 M St., NW, Ste Fig. 1 and Fig. 2 have been found satisfactory for this purpose.
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800, Washington, DC 20036. The sole source of supply of the apparatus known to the committee at this time
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Available from ASTM International Headquarters. Order Adjunct No. is Falex Part No. 643-187-070, Falex Corp. 1020 Airpark Dr., Sugar Grove, IL
ADJD3336. Original adjunct produced in 1984. 60554.
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