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ASTM International - ASTM B439-07

Standard Specification for Iron-Base Powder Metallurgy (PM) Bearings (Oil Impregnated)

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Organization: ASTM International
Publication Date: 1 June 2007
Status: inactive
Page Count: 13
ICS Code (Plain bearings): 21.100.10
scope:

1.1 This specification covers porous metallic sleeve, flange, thrust, and spherical iron-base bearings that are produced from mixed metal powder utilizing powder metallurgy (PM) technology and then impregnated with oil to supply operating lubrication.

1.2 Included are the specifications for the chemical, physical, and mechanical requirements of those ferrous PM materials that have been developed and standardized specifically for use in the manufacture of these self-lubricating bearings.

1.3 This specification is a companion standard to Specification B 438/B 438M that covers the requirements for Bronze-Base Powder Metallurgy (PM) Bearings (Oil-Impregnated).

1.4 Typical applications for iron-base bearings are discussed in .

1.5 Commercial bearing dimensional tolerance data are shown in , while engineering information regarding installation and operating parameters of PM bearings is included in . Additional useful information on self-lubricating bearings can be found in MPIF Standard 35 (Bearings) and the technical literature.

1.6 With the exception of density values for which the g/cm3 unit is the industry standard, the values stated in inch-pound units are to be regarded as standard. The SI equivalents of inch-pound units, shown in parenthesis, have been converted in accordance with IEEE/ASTM Standard SI 10, may be approximate and are only for information.

1.7 The following safety hazards caveat pertains only to the test methods described in this specification. 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 limitations prior to use.

Document History

April 1, 2021
Standard Specification for Iron-Base Powder Metallurgy (PM) Bearings (Oil-Impregnated)
1.1 This specification covers the requirements for porous iron-base metallic sleeve, flange, thrust, and spherical bearings that are produced from metal powders utilizing powder metallurgy (PM)...
April 1, 2018
Standard Specification for Iron-Base Powder Metallurgy (PM) Bearings (Oil-Impregnated)
1.1 This specification covers the requirements for porous iron-base metallic sleeve, flange, thrust, and spherical bearings that are produced from metal powders utilizing powder metallurgy (PM)...
April 1, 2012
Standard Specification for Iron-Base Powder Metallurgy (PM) Bearings (Oil-Impregnated)
1.1 This specification covers the requirements for porous iron-base metallic sleeve, flange, thrust, and spherical bearings that are produced from metal powders utilizing powder metallurgy (PM)...
April 1, 2008
Standard Specification for Iron-Base Powder Metallurgy (PM) Bearings (Oil-Impregnated)
1.1 This specification covers porous metallic sleeve, flange, thrust, and spherical iron-base bearings that are produced from mixed metal powder utilizing powder metallurgy (PM) technology and then...
ASTM B439-07
June 1, 2007
Standard Specification for Iron-Base Powder Metallurgy (PM) Bearings (Oil Impregnated)
1.1 This specification covers porous metallic sleeve, flange, thrust, and spherical iron-base bearings that are produced from mixed metal powder utilizing powder metallurgy (PM) technology and then...
October 1, 2006
Standard Specification for Iron-Base Powder Metallurgy (PM) Bearings (Oil Impregnated)
1.1 This specification covers porous metallic sleeve, flange, thrust, and spherical iron-base bearings that are produced from mixed metal powder utilizing powder metallurgy (PM) technology and then...
October 10, 2000
Standard Specification for Iron-Base Sintered Bearings (Oil-Impregnated)
1.1 This specification covers sintered metal powder, oil-impregnated, bearings of four iron-base compositional grades: Grades 1 and 2--iron-carbon Grades 3 and 4--iron-copper 1.2 The values stated...
October 10, 2000
Standard Specification for Iron-Base Sintered Bearings (Oil-Impregnated)
1.1 This specification covers sintered metal powder, oil-impregnated, bearings of four iron-base compositional grades: Grades 1 and 2—iron-carbon Grades 3 and 4—iron-copper 1.2 The values stated in...
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