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This specification covers spherical-ended ferrous needle rollers intended for use as bearing components. Rollers shall be made of chrome alloy steel E50100, E51100, E52100, and shall conform to specified requirements for heat treatment and protective coatings. Rollers shall also meet specified values for diameter, length, and effective length in accordance with MS Part No.
This abstract is a brief summary of the referenced standard. It is informational only and not an official part of the standard; the full text of the standard itself must be referred to for its use and application. ASTM does not give any warranty express or implied or make any representation that the contents of this abstract are accurate, complete or up to date.
1.1 This specification covers ferrous needle rollers having spherical ends.
1.2 Spherical-ended needle rollers designed to this specification are intended for use as bearing components. A complement of rollers is run on a hardened (HRC 58-65, see Test Methods ) shaft and in a hardened (HRC 58-65) housing bore to form the bearing.
1.3 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.
1.4 This specification contains many of the requirements of MS19065, which was originally developed by the Department of Defense and maintained by the Defense Supply Center Richmond. The following government activity codes may be found in the Department of Defense, Standardization Directory SD-1.
1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
Military StandardMIL-STD-129 Marking for Shipping and Storage MIL-STD-130 Identification Marking of U.S. Military Property
ISO StandardISO 5593 Rolling BearingsVocabulary
ABMA StandardABMA 4 Tolerance Definitions and Gauging Practices for Ball and Roller Bearings
ANSI StandardANSI/ASQ Z1.4
ASME StandardsASME B46.1 Surface Texture, Surface Roughness Waviness and Lay
A295 Specification for High-Carbon Anti-Friction Bearing Steel
E18 Test Methods for Rockwell Hardness of Metallic Materials
ICS Number Code 21.100.20 (Rolling bearings)
UNSPSC Code 31171505(Roller bearings); 31171512(Needle bearings)
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ASTM F2443-04(2021), Standard Specification for Roller, Bearing, Needle, Ferrous, Solid, Spherical End, ASTM International, West Conshohocken, PA, 2021, www.astm.orgBack to Top