3120-00-230-1898, BEARING,SLEEVE

2815-00-230-1899 COVER ASSEMBLY,TIMING GEAR

National Stock Number:
3120-00-230-1898

Federal Supply Class:
3120

National Item Identification Number:
002301898

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:

90983-08-023	09455	RBC TRANSPORT DYNAMICS CORP
ATF4545C8-023	15860	NEW HAMPSHIRE BALL BEARINGS INC
GDFRC8-023	73134	ROLLER BEARING COMPANY OF AMERICA, INC.
C4545C8-023	81755	LOCKHEED MARTIN CORPORATION

Techincal Specification:

MATERIAL	PLASTIC TETRAFLUOROETHYLENE INNER LAYER
	STEEL COMP 630 OUTER LAYER
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE OUTER LAYER
STYLE DESIGNATOR	SOLID, EXTERNAL FLANGE ONE END
OVERALL LENGTH	0.2820 INCHES MINIMUM AND
	0.2970 INCHES MAXIMUM
BODY OUTSIDE DIAMETER	0.6260 INCHES MINIMUM AND
	0.6265 INCHES MAXIMUM
BODY INSIDE DIAMETER	0.5000 INCHES MINIMUM AND
	0.5010 INCHES MAXIMUM
FLANGE OUTSIDE DIAMETER	0.7400 INCHES MINIMUM AND
	0.7600 INCHES MAXIMUM
FLANGE WIDTH	0.0570 INCHES MINIMUM AND
	0.0620 INCHES MAXIMUM
CORNER SHAPE	SQUARE OUTSIDE LEFT CORNER
	SQUARE OUTSIDE RIGHT CORNER
	SQUARE INSIDE RIGHT CORNER
	SQUARE INSIDE LEFT CORNER
	SQUARE LEFT FLANGE OUTSIDE RIGHT CORNER
	UNDERCUT LEFT FLANGE BODY CORNER
SURFACE FINISH	63.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY
	125.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF FLANGE
	125.0 MICROINCHES RIGHT END SURFACE OF BODY
	125.0 MICROINCHES RIGHT END SURFACE OF LEFT FLANGE
SPECIAL FEATURES	PLASTIC/POLYTETRAFLUOROETHYLENE/81755 BONDED TO LEFT END FLANGE FACE
SPEC/STD CONTROLLING DATA
MANUFACTURERS CODE	81755
MFR SOURCE CONTROLLING REFERENCE	C4545C8-023

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