3120-00-123-4021, BEARING,SLEEVE

National Stock Number:
3120-00-123-4021

Federal Supply Class:
3120

National Item Identification Number:
001234021

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:

646043	52661	RTX CORPORATION
646043	77445	RTX CORPORATION

Techincal Specification:

MATERIAL	STEEL COMP 8740 OVERALL
HARDNESS RATING	32.0 ROCKWELL C MINIMUM AND
	38.0 ROCKWELL C MAXIMUM OVERALL
STYLE DESIGNATOR	SPLIT, PLAIN, NO OUTSIDE FLANGES, INTERNAL FLANGE AT BOTH ENDS
OVERALL LENGTH	1.6050 INCHES MINIMUM AND
	1.6150 INCHES MAXIMUM
BODY OUTSIDE DIAMETER	3.3900 INCHES MINIMUM AND
	3.4000 INCHES MAXIMUM
BODY INSIDE DIAMETER	3.1900 INCHES MINIMUM AND
	3.2100 INCHES MAXIMUM
LEFT INTERNAL FLANGE HOLE DIAMETER	3.0980 INCHES MINIMUM AND
	3.1010 INCHES MAXIMUM
RIGHT INTERNAL FLANGE HOLE DIAMETER	3.1080 INCHES MINIMUM AND
	3.1100 INCHES MAXIMUM
LEFT INTERNAL FLANGE WIDTH	0.1300 INCHES MINIMUM AND
	0.1500 INCHES MAXIMUM
RIGHT INTERNAL FLANGE WIDTH	0.0600 INCHES MINIMUM AND
	0.0700 INCHES MAXIMUM
CORNER SHAPE	SQUARE OUTSIDE LEFT CORNER
	CHAMFERED OUTSIDE RIGHT CORNER
	SQUARE INSIDE RIGHT CORNER
	SQUARE INSIDE LEFT CORNER
ANTIROTATION/LUBRICATION TYPE AND QUANTITY	6 HOLE
HOLE DIAMETER	0.2450 INCHES MINIMUM AND
	0.2550 INCHES MAXIMUM FIRST
SURFACE FINISH	16.0 MICROINCHES EXTERNAL CYLINDRICAL SURFACE
THE MANUFACTURERS DATA
MANUFACTURERS CODE	77445
DESIGN CONTROL REFERENCE	646043

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