3120-01-212-6181, BEARING,SLEEVE

National Stock Number:
3120-01-212-6181

Federal Supply Class:
3120

National Item Identification Number:
012126181

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:

77643-70X3 PIECE 9	96169	ELECTRIC BOAT CORPORATION
SSN637-501-2143868 PIECE 9	80064	NAVAL SHIP SYSTEMS COMMAND

Techincal Specification:

ANTIROTATION/LUBRICATION TYPE AND QUANTITY	8 HOLE
BODY INSIDE DIAMETER	1.7500 INCHES MINIMUM AND 1.7520 INCHES MAXIMUM
BODY OUTSIDE DIAMETER	2.3740 INCHES MINIMUM AND 2.3750 INCHES MAXIMUM
CORNER SHAPE	SQUARE ALL CORNERS
FLANGE OUTSIDE DIAMETER	4.0000 INCHES NOMINAL
FLANGE WIDTH	0.3750 INCHES NOMINAL
HOLE DIAMETER	0.1875 INCHES NOMINAL FIRST
HOLE DIAMETER	0.4062 INCHES NOMINAL SECOND
LUBRICANT ACCOMMODATION STYLE	GROOVED CIRCULAR
OVERALL LENGTH	10.7500 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATION	BEARIUM B-8,FSCM 85373 MFR REF SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	GREASE LUBRICATION
MATERIAL	COPPER ALLOY OVERALL
STYLE DESIGNATOR	SOLID, EXTERNAL FLANGE ONE END
SPECIAL FEATURES	REDUCED OUTSIDE BODY DIAMETER IN THREE PLACES 2.250 IN. DIA; 4 0.8125 HOLES THRU FLANGE FACE,3.187 IN. DIA BOLT CIRCLE
SURFACE FINISH	32.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY
SURFACE FINISH	63.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY
SURFACE GROOVE LOCATION AND QUANTITY	2 INTERNAL

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