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ASTM F2443-04

Current Revision

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

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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 E 18) shaft and in a hardened (HRC 58-65) housing bore to form the bearing.

1.3 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.

Preparing activityCustodiansReview Activities
DLA-GS4Army-ATNavy-MC
Navy-OSAir Force-84
Air Force-99
DLA-GS4


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.


SDO ASTM: ASTM International
Document Number F2443
Publication Date Nov. 1, 2004
Language en - English
Page Count 5
Revision Level 04
Supercedes
Committee F34.01
Publish Date Document Id Type View
Nov. 1, 2004 F2443-04 Revision
Jan. 15, 2021 F2443-04R21 Reaffirmation
Dec. 1, 2012 F2443-04R12 Reaffirmation