9390-00-180-7706 NONMETALLIC CHANNEL Index 3110-00-180-7715 BEARING,ROLLER,CYLINDRICAL

National Stock Number:
3120-00-180-7713

Federal Supply Class:
3120

National Item Identification Number:
001807713

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:
258444780064NAVAL SHIP SYSTEMS COMMAND


Techincal Specification:
ANTIROTATION/LUBRICATION TYPE AND QUANTITY2 HOLE
BODY INSIDE DIAMETER3.0550 INCHES MINIMUM AND 3.0750 INCHES MAXIMUM
BODY OUTSIDE DIAMETER3.3170 INCHES MINIMUM AND 3.3180 INCHES MAXIMUM
CORNER SHAPEROUND LEFT FLANGE BODY CORNER
CORNER SHAPESQUARE OUTSIDE RIGHT CORNER
CORNER SHAPESQUARE INSIDE LEFT CORNER
CORNER SHAPESQUARE INSIDE RIGHT CORNER
CORNER SHAPESQUARE LEFT FLANGE OUTSIDE RIGHT CORNER
CORNER SHAPESQUARE OUTSIDE LEFT CORNER
FLANGE OUTSIDE DIAMETER3.5625 INCHES NOMINAL
FLANGE WIDTH0.0830 INCHES MINIMUM AND 0.1030 INCHES MAXIMUM
HARDNESS RATING28.0 ROCKWELL C MINIMUM AND 33.0 ROCKWELL C MAXIMUM OVERALL
HOLE DIAMETER0.1130 INCHES NOMINAL FIRST
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-T-825 FED SPEC 1ST MATERIAL RESPONSE AND MIL-S-18729 MIL SPEC 2ND MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 4140 OR STEEL COMP 4142 OR STEEL COMP 4145 OR STEEL COMP 4130 OR STEEL COMP 4130H OR STEEL COMP 4135H OR STEEL COMP 4140H OVERALL
OVERALL LENGTH0.7180 INCHES NOMINAL
RIGHT INTERNAL FLANGE HOLE DIAMETER2.9375 INCHES NOMINAL
RIGHT INTERNAL FLANGE WIDTH0.1560 INCHES NOMINAL
STYLE DESIGNATORSOLID, EXTERNAL FLANGE ONE END, INTERNAL FLANGE ONE END
SURFACE FINISH125.0 MICROINCHES OVERALL


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