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ASTM International - ASTM B439-08

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

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Organization: ASTM International
Publication Date: 1 April 2008
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 accompanies 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 Appendix X1.

1.5 Commercial bearing dimensional tolerance data are shown in Appendix X2, while engineering information regarding installation and operating parameters of PM bearings is included in Appendix X3. 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 values stated in inch-pound units are to be regarded as standard. No other units of measurement are included in this standard.

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.

abstract:

This specification covers the standard requirements for porous metallic sleeve, flange, thrust, and spherical iron-base bearings that are produced from mixed metal powder metallurgy technology and... View More

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)...
ASTM B439-08
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...
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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