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This specification covers inner rings for needle roller bearings having thick outer rings. The inner rings being specified are intended for use on unhardened shafts. Inner rings designed to this specification are intended for use in applications requiring high radial load with minimal angular shaft misalignment. Heat treatment and protective coating of the material shall meet the specified requirements.
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 having thick outer rings.
1.2 The inner rings being specified are intended for use on unhardened shafts in conjunction with the MS51961 needle roller bearings specified in Specification .
1.2.1 For needle roller bearings with thin outer rings (Specification , MS17131, MS52141) use inner rings specified in Specification .
1.3 Inner rings designed to this specification are intended for use in applications requiring high radial load with minimal angular shaft misalignment.
1.4 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.
1.5 This specification contains many of the requirements of MS51962, which was originally developed by the Department of Defense and maintained by the Defense Supply Center in Richmond. The following government activity codes may be found in the Department of Defense, Standardization Directory SD-1.
1.6 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
ABMA StandardsABMA 18.2 Needle Roller Bearings Radial, Inch Design ABMA 4
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
F2163 Specification for Ring, Bearing, Inner: for Needle Roller Bearing With Drawn Outer Ring
F2246 Specification for Bearing, Roller, Needle: Thick Outer Ring With Rollers and Cage
SAE StandardsSAE AMSSTD66 Steel: Chemical Composition and Hardenability SAE J404 Chemical Compositions of SAE Alloy Steels
ISO StandardISO 5593 Rolling BearingsVocabulary
ANSI StandardASME B46.1
ICS Number Code 21.100.20 (Rolling bearings)
UNSPSC Code 31171505(Roller bearings)
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ASTM F2431-04(2018), Standard Specification for Ring Bearing, Inner: For Needle Roller Bearing with Thick Outer Ring, ASTM International, West Conshohocken, PA, 2018, www.astm.orgBack to Top