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Description of ASTM-F2443 2012ASTM F2443 - 04(2012)Standard Specification for Roller, Bearing, Needle, Ferrous, Solid, Spherical EndActive Standard ASTM F2443 | Developed by Subcommittee: F34.01 Book of Standards Volume: 01.08 ASTM F2443Abstract 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. Scope 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 E18 ) 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. 2
ASTM Standards A295 Specification for High-Carbon Anti-Friction Bearing Steel E18 Test Methods for Rockwell Hardness of Metallic Materials ABMA Standard ABMA4 Tolerance Definitions and Gauging Practices for Ball and Roller BearingsANSI Standard ANSI/ASQZ1.4 Sampling Procedures and Tables for Inspection of AttributesASME Standards. ASMEY14.5M Dimensioning and TolerancingISO Standard ISO5593 Rolling Bearings-VocabularyMilitary Standard. MIL-DTL-197 Packaging of Bearing, Associated Parts and SubassembliesKeywords needle roller; roller; roller bearing; spherical end; ICS Code ICS Number Code 21.100.20 (Rolling bearings) DOI: 10.1520/F2443-04R12 ASTM International is a member of CrossRef. ASTM F2443This book also exists in the following packages...Subscription InformationMADCAD.com ASTM Standards subscriptions are annual and access is unlimited concurrency based (number of people that can access the subscription at any given time) from single office location. For pricing on multiple office location ASTM Standards Subscriptions, please contact us at info@madcad.com or +1 800.798.9296.
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