ASTM-F2443 Standard Specification for Roller, Bearing, Needle, Ferrous, Solid, Spherical End

ASTM-F2443 - 2004 R12 EDITION - CURRENT
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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.

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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; ICS Number Code 21.100.20 (Rolling bearings)

To find similar documents by ASTM Volume:

01.08 (Fasteners; Rolling Element Bearings)

To find similar documents by classification:

21.100.20 (Rolling bearings)

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Document Number

ASTM-F2443-04(2012)

Revision Level

2004 R12 EDITION

Status

Current

Modification Type

Reapproval

Publication Date

Jan. 15, 2013

Document Type

Specification

Page Count

5 pages

Committee Number

F34.01