3110-01-100-2089 BEARING,ROLLER,NEEDLE Index 3120-01-100-2091 BUSHING,SLEEVE

National Stock Number:
3120-01-100-2090

Federal Supply Class:
3120

National Item Identification Number:
011002090

Description:
BEARING,SLEEVE

Detail:
A tubular shaped item with or without flange(s) designed to reduce friction and carry a kinetic load on the surface(s) parallel to the axis of the bore. It must have a visible or detectable means of lubrication or be self-lubricated. The over all length must exceed 25 percent of the outside diameter or the shortest distance between peripheral flats of the body, except for straight tubular (without flange or shoulder) items having a bearing surface(s) parallel to the axis of the bore only. Includes items which are divided into two or more segments which include 180 degrees (3.141 radians) or less of the bearing periphery. See also BUSHING, SLEEVE; SPACER, SLEEVE; and WASHER (as modified). Excludes PIN, HOLLOW.


Manufacturer Information:
810-2178000-6 ITEM 1280064NAVAL SHIP SYSTEMS COMMAND


Techincal Specification:
BODY INSIDE DIAMETER2.6250 INCHES MINIMUM AND 2.6270 INCHES MAXIMUM
BODY OUTSIDE DIAMETER2.8760 INCHES MINIMUM AND 2.8770 INCHES MAXIMUM
CORNER SHAPECHAMFERED INSIDE LEFT CORNER
CORNER SHAPESQUARE LEFT FLANGE BODY CORNER
CORNER SHAPESQUARE LEFT FLANGE OUTSIDE RIGHT CORNER
CORNER SHAPESQUARE OUTSIDE LEFT CORNER
CORNER SHAPESQUARE INSIDE RIGHT CORNER
CORNER SHAPESQUARE OUTSIDE RIGHT CORNER
FLANGE OUTSIDE DIAMETER3.7500 INCHES NOMINAL
FLANGE WIDTH0.3730 INCHES MINIMUM AND 0.3750 INCHES MAXIMUM
LUBRICANT ACCOMMODATION STYLEGROOVED CLOSED BOTH ENDS
OVERALL LENGTH2.2500 INCHES NOMINAL
MATERIALCOPPER ALLOY 632 OVERALL
STYLE DESIGNATORSOLID, EXTERNAL FLANGE ONE END
SURFACE FINISH125.0 MICROINCHES LEFT END SURFACE OF BODY AND FLANGE
SURFACE FINISH125.0 MICROINCHES RIGHT END SURFACE OF BODY
SURFACE FINISH125.0 MICROINCHES RIGHT END SURFACE OF LEFT FLANGE
SURFACE FINISH32.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY
SURFACE FINISH63.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY
SURFACE GROOVE LOCATION AND QUANTITY4 INTERNAL


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