ASTM-F2443 › Standard Specification for Roller, Bearing, Needle, Ferrous, Solid, Spherical End
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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.
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 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 activity | Custodians | Review Activities |
| DLA-GS4 | Army-AT | Navy-MC |
| Navy-OS | Air Force-84 | |
| Air Force-99 | ||
| DLA-GS4 |
Keywords
needle roller; roller; roller bearing; spherical end; ICS Number Code 21.100.20 (Rolling bearings)
To find similar documents by ASTM Volume:
01.08 (Fasteners; Rolling Element Bearings)
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Document Number
ASTM-F2443-04R21
Revision Level
2004 R21 EDITION
Status
Current
Modification Type
New
Publication Date
Feb. 5, 2021
Document Type
Specification
Page Count
5 pages
Committee Number
F34.01