ASTM F2443 - 04(2012)

    Standard Specification for Roller, Bearing, Needle, Ferrous, Solid, Spherical End

    Active Standard ASTM F2443 | Developed by Subcommittee: F34.01

    Book of Standards Volume: 01.08


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    Abstract

    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

    Preparing activity

    Custodians

    Review Activities

    DLA–GS4

    Army–AT

    Navy–MC

     

    Navy–OS

    Air Force–84

     

    Air Force–99

     

     

    DLA–GS4

     



    2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.

    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 Bearings

    ANSI Standard

    ANSI/ASQZ1.4 Sampling Procedures and Tables for Inspection of Attributes

    ASME Standards.

    ASMEY14.5M Dimensioning and Tolerancing

    ISO Standard

    ISO5593 Rolling Bearings-Vocabulary

    Military Standard.

    MIL-DTL-197 Packaging of Bearing, Associated Parts and Subassemblies


    ICS Code

    ICS Number Code 21.100.20 (Rolling bearings)

    UNSPSC Code

    UNSPSC Code 31171505(Roller bearings); 31171512(Needle bearings)


    DOI: 10.1520/F2443-04R12

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