1、Designation: F2430 04 (Reapproved 2012)Standard Specification forBearing, Roller, Needle: Assembly (Thick Outer Race)1This standard is issued under the fixed designation F2430; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the ye
2、ar of last revision. A number in parentheses indicates the year of last reapproval. Asuperscript epsilon () indicates an editorial change since the last revision or reapproval.This standard has been approved for use by agencies of the Department of Defense.1. Scope1.1 This specification covers needl
3、e roller bearing assem-blies. These assemblies have thick outer rings, cages, rollers,and inner rings. The assemblies consist of a MS51961 thickouter race needle roller bearing as specified in SpecificationF2246 and a corresponding MS51962 inner ring as specified inSpecification F24311.2 The bearing
4、s being specified are intended to be used onunhardened shafts. MS51961 bearings without inner rings, asspecified in Specification F2246, may be used for used directlyon hardened shafts (HRC5865; see Test Methods E18).1.3 Bearings designed to this specification are intended foruse in applications req
5、uiring high radial load with minimalangular shaft misalignment.1.4 This specification contains many of the requirements ofMS500072, which was originally developed by the Departmentof Defense and maintained by the Defense Supply Center inRichmond. The following government activity codes may befound i
6、n the Department of Defense, Standardization DirectorySD-1.2Preparing activity Custodians Review ActivityDLA-GS4 Army AT Air Force- 11, 84Navy-OSAir Force-991.5 The values stated in inch-pound units are to be regardedas standard. The values given in parentheses are mathematicalconversions to SI unit
7、s that are provided for information onlyand are not considered standard.2. Referenced Documents2.1 ASTM Standards:3E18 Test Methods for Rockwell Hardness of Metallic Ma-terialsF2246 Specification for Bearing, Roller, Needle: ThickOuter Ring With Rollers and CageF2431 Specification for Ring Bearing,
8、Inner: For NeedleRoller Bearing with Thick Outer Ring2.2 Military Standards:4MIL-STD-130 Identification Marking of U.S. Military Prop-ertyMIL-DTL-197 Packaging of Bearings, Associated Parts andSubassemblies2.3 ABMA Standards:5ABMA 4 Tolerance Definitions and Gauging Practices forBall and Roller Bear
9、ingsABMA 18.2 Needle Roller Bearings Radial, Inch Design2.4 ISO Standard:6ISO 5593 Rolling BearingsVocabulary3. Terminology3.1 DefinitionsFor definitions of terms used in thisspecification, refer to ABMA STD 4 and to ISO 5593.4. Ordering Information4.1 When ordering parts in accordance with thisspec
10、ification, specify the following:4.1.1 ASTM designation number, including year of issue,4.1.2 Dash number (see Table 1),1This specification is under the jurisdiction ofASTM Committee F34 on RollingElement Bearings and is the direct responsibility of Subcommittee F34.04 onAutomotive/Industrial Bearin
11、g.Current edition approved Dec. 1, 2012. Published January 2013. Originallyapproved in 2004. Last previous edition approved in 2004 as F243004. DOI:10.1520/F2430-04R12.2The Military codes that are listed in SD-1 give the address and phone numbersof the DoD contacts. These are found in the DoDs ASSIS
12、T website: http:/assist.daps.dla.mil/online/start/.3For referenced ASTM standards, visit the ASTM website, www.astm.org, orcontact ASTM Customer Service at serviceastm.org. For Annual Book of ASTMStandards volume information, refer to the standards Document Summary page onthe ASTM website.4Available
13、 on the DODs ASSIST website, http:/assist.daps.dla.mil/online/start/.5Available from Techstreet, 3916 Ranchero Dr., Ann Arbor, MI 48108, http:/.6Available from American National Standards Institute (ANSI), 25 W. 43rd St.,4th Floor, New York, NY 10036, http:/www.ansi.org.Copyright ASTM International,
14、 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States14.1.3 Dimensions of roller bearings, including:4.1.3.1 Bore diameter, in. (mm),4.1.3.2 Outside diameter, in. (mm),4.1.3.3 Inner ring width, in. (mm),4.1.3.4 Outer ring width, in. (mm), andTABLE 1 Nominal Bearing Dim
15、ensionsFor Actual Sizes and TolerancesSee Specifications F2246 and F2431MS500072DashNumberdBoreDiameter,in.DOutsideDiameter,in.BInnerRingWidth,in.COuterRingWidth,in.MS51961BearingDash Number(SpecificationF2246)MS51962Inner RingDash Number(SpecificationF2431)Nom. Nom. Nom. Nom.-138 1183434 -1 -1-212
16、1143434 -2 -2-312 114 1 1 -3 -3-458 1383434 -5 -4-534 1123434 -8 -5-61316 1123434 -8 -6-71316 112 1 1 -9 -7-878 158 1 1 -11 -8-91516 158 1 1 -11 -9-10 1 134 11-4 10-11 1 134 114 114 -15 -11-12 118 178 11-18 2-13 118 178 114 114 -19 -13-14 1316 2116 114 114 -22 -14-15 114 2116 11-21 15-16 114 2116 11
17、4 114 -22 -16-17 1516 2316 11-24 17-18 138 2316 114 114 -25 -18-19 138 2516 114 114 -28 -19-20 1716 2516 114 114 -28 -20-21 112 2516 11-27 21-22 112 2516 114 114 -28 -22-23 158 2916 114 114 -30 -23-24 134 3112 112 -31 -24-25 13434 134 -32 -25-26 1516 314 134 134 -34 -26-27 2 314 112 112 -33 -27-28 2
18、316 312 134 134 -36 -28-29 214 312 112 112 -35 -29-30 238 334 134 134 -38 -30-31 212 334 112 112 -37 -31-32 234 414 134 134 -39 -32-33 234 412 22-40 3-34 21516 412 2 4-35 318 434 3 -5-36 314 434 22-4 36-37 314 5 2 2 -45 -37-38 338 5 2 2 -45 -38-39 312 514 22 46 -39-40 334 514 40-41 334 6212 212 -49
19、-41-42 4 612 212 212 -51 -42-43 412 7212 212 -52 -43-44 412 7 3 3 -53 -44-45 434 714 33 54 45-46 5 712 212 212 -55 -46-47 5 712 33-56 47-48 512 8212 212 -57 -48-49 512 8 3 3 -58 -49-50 6 918 33 59 50F2430 04 (2012)24.1.4 Level of packaging and preservation (for Militaryprocurements).5. Materials and
20、 Manufacture5.1 BearingMaterials for the MS51961 bearing are speci-fied in Specification F2246,5.2 Inner RingsMaterials for the MS51962 inner ringsshall be specified in Specification F2431.5.3 The use of recycled materials that meet the requirementsof the applicable material specification without je
21、opardizingthe intended use of the item is encouraged.6. Other Requirements6.1 Heat Treatment:6.1.1 BearingHeat treatment for the bearing componentsis specified in Specification F2246.6.1.2 Inner RingsHeat treatment for the inner ring isspecified in Specification F2431.6.2 Protective Coating:6.2.1 Un
22、less specified otherwise, bearing assemblies shallbe furnished without plating.6.2.2 Manufacturer shall coat bearing assemblies with rustpreventive film.6.3 LubricationUnless specified otherwise, bearing as-semblies shall be furnished without lubrication.7. Dimensions and Permissible Variations7.1 B
23、earing assemblies shall be made up in mating sets asspecified in Table 1.7.2 Bearing assemblies are intended to be installed on shaftswhere maximum taper does not exceed 0.0005 in./in. (0.0005mm/mm) of bearing width.7.3 The dimensions given in Table 1 are for engineeringreference only.7.3.1 Actual s
24、izes and tolerances for the MS51961 bearingsmay be found in Specification F2246.7.3.2 Actual sizes and tolerances for the MS51962 innerrings may be found in Specification F2431.7.4 Load ratings and limiting speeds for the MS51961bearings may be found in Specification F2246.8. Workmanship, Finish, an
25、d Appearance8.1 Surface finish requirements for the MS51961 bearingsmay be found in Specification F2246.8.2 Surface finish requirements for the MS51962 inner ringsmay be found in Specification F2431.9. Inspection9.1 Inspection of the product shall be agreed upon betweenthe purchaser and the supplier
26、 as part of the purchase contract.10. Rejection and Rehearing10.1 Products that fail to conform to the requirements of thisspecification may be rejected. Rejection should be reported tothe producer or supplier promptly and in writing. In case ofdissatisfaction with the results of the test, the produ
27、cer orsupplier may make claim for rehearing.FIG. 1 Schematic DrawingRoller Bearing AssemblyF2430 04 (2012)311. Certification11.1 When specified in the purchase order or contract, thepurchaser shall be furnished certification that samples repre-senting each lot have been either tested or inspected as
28、 directedin this specification and the requirements have been met. Whenspecified in the purchase order or contract, a report of the testresults shall be furnished.12. Product Marking12.1 Marking shall consist of the part number and themanufacturers identification in accordance with MIL-STD-130.12.1.
29、1 The part number shall consist of the MS500072designation plus the dash number (see Table 1), for example,MS500072-6.12.1.2 Alternative marking, in lieu of marking the bearingassembly:12.1.2.1 The bearing outer ring may be marked with theMS51961 designation plus the appropriate dash number. Forexam
30、ple, in a MS500072-6 assembly the outer ring may bemarked MS51961-8.12.1.2.2 The inner ring may be marked with the MS51962designation plus the appropriate dash number. For example, ina MS500072-6 assembly the inner ring may be markedMS51962-6.13. Packaging13.1 Unless otherwise specified in the contr
31、act or purchaseorder, military procurements shall be packaged and preservedin accordance with MIL-DTL-197. Level of packaging andpreservation method shall be as specified in the contract orpurchase order.14. Keywords14.1 cage; inner ring; MS500072; MS51961; MS51962 ;needle roller; outer ring; radial
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33、hts, are entirely their own responsibility.This standard is subject to revision at any time by the responsible technical committee and must be reviewed every five years andif not revised, either reapproved or withdrawn. Your comments are invited either for revision of this standard or for additional
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35、 Committee on Standards, at the address shown below.This standard is copyrighted by ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959,United States. Individual reprints (single or multiple copies) of this standard may be obtained by contacting ASTM at the aboveaddress or at 610-832-9585 (phone), 610-832-9555 (fax), or serviceastm.org (e-mail); or through the ASTM website(www.astm.org). Permission rights to photocopy the standard may also be secured from the ASTM website (www.astm.org/COPYRIGHT/).F2430 04 (2012)4
