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This specification covers inner rings for needle roller bearings with drawn outer rings. The use of recycled materials that meet the requirements of the applicable material specification without jeopardizing the intended use of the item is encouraged. Bearing inner rings shall be manufactured of steel, alloy or carbon. The raceway (outside diameter) surface shall have a maximum surface roughness conforming to the requirements specified.
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.
1.1 This specification covers inner rings for needle roller bearings with drawn outer rings.
1.2 The inner rings specified in this specification are intended for use on unhardened shafts in conjunction with open end needle roller bearings shown on Specification F 2162
1.3 The use of recycled materials that meet the requirements of the applicable material specification without jeopardizing the intended use of the item is encouraged.
1.4 The inner rings specified in this specification are not intended for use in flight-critical systems of aircraft.
1.5 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.
Note 1—This specification contains many of the requirements of MS17130, which was originally developed by the Department of Defense and is currently maintained by the Defense Supply Center Richmond.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
American Bearing Manufacturers Association (ABMA) StandardSTD4 Tolerance Definitions and Gauging Practices For Ball and Roller Bearings Available from the American Bearing Manufacturers Association, 1200 19th St. NW, Ste. 300, Washington, DC 200362401.
ISO StandardISO5593 Rolling BearingsVocabulary Available from American National Standards Institute (ANSI), 25 W. 43rd St., 4th Floor, New York, NY 10036, http://www.ansi.org.
E18 Test Methods for Rockwell Hardness of Metallic Materials
F2162 Specification for Bearing, Roller, Needle: Drawn Outer Ring, Full Complement, Without Inner Ring, Open and Closed End, Standard Type
ASME StandardASMEB46.1 Surface Texture Surface Roughness, Waviness, and Lay Available from Global Engineering Documents, 15 Inverness Way, East Englewood, CO 80112-5704, http://www.global.ihs.com.
SAE StandardsSAEJ-404 Chemical Composition of SAE Alloy Steels
Military StandardsMS52141 Bearing, Roller, Needle: Drawn Outer Ring, Caged, Without Inner Ring, Open and Closed End, Standard Type
ICS Number Code 21.100.20 (Rolling bearings)
UNSPSC Code 31171505(Roller bearings); 31171512(Needle bearings)