3120-00-701-2956, BEARING,SLEEVE

National Stock Number:
3120-00-701-2956

Federal Supply Class:
3120

National Item Identification Number:
007012956

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:

652D250-7	01289	GENERAL ELECTRIC COMPANY DBA GE DIV GE-AVIATION GEAR PLANT
652D250-7	24446	GENERAL ELECTRIC COMPANY
652D250PC7	24446	GENERAL ELECTRIC COMPANY

Techincal Specification:

ANTIROTATION/LUBRICATION TYPE AND QUANTITY	2 HOLE
BODY INSIDE DIAMETER	10.0130 INCHES MINIMUM AND 10.0150 INCHES MAXIMUM
BODY OUTSIDE DIAMETER	12.4990 INCHES MINIMUM AND 12.5010 INCHES MAXIMUM
CORNER SHAPE	CHAMFERED OUTSIDE RIGHT CORNER
CORNER SHAPE	CHAMFERED OUTSIDE LEFT CORNER
CORNER SHAPE	SQUARE INSIDE LEFT CORNER
CORNER SHAPE	SQUARE INSIDE RIGHT CORNER
HOLE DIAMETER	0.2500 INCHES NOMINAL FIRST
OVERALL LENGTH	7.0000 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-S-635 FED SPEC SINGLE MATERIAL RESPONSE OUTER LAYER
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-T-390 FED SPEC SINGLE MATERIAL RESPONSE INNER LAYER
MATERIAL	OIL LUBRICATING LUBRICATION
MATERIAL	STEEL COMP 1020 OUTER LAYER
MATERIAL	TIN ALLOY UNS L13840 INNER LAYER
STYLE DESIGNATOR	SEGMENTED, PLAIN, NO OUTSIDE FLANGES
SURFACE FINISH	125.0 MICROINCHES LEFT END SURFACE OF BODY
SURFACE FINISH	125.0 MICROINCHES RIGHT END SURFACE OF BODY
SURFACE FINISH	32.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY
SURFACE FINISH	63.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY

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