ASTM-F2443 › Historical Revision Information
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 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 |
|
Keywords
needle roller; roller; roller bearing; spherical end
To find similar documents by ASTM Volume:
01.08 (Fasteners; Rolling Element Bearings)
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Document Number
ASTM-F2443-04(2012)
Revision Level
2004 R12 EDITION
Status
Superseded
Modification Type
Reapproval
Publication Date
Jan. 15, 2013
Document Type
Specification
Page Count
5 pages
Committee Number
F34.01