3120-01-211-0756, BEARING,SLEEVE

National Stock Number:
3120-01-211-0756

Federal Supply Class:
3120

National Item Identification Number:
012110756

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:

501-2143862 PIECE 16 AND 17	80064	NAVAL SHIP SYSTEMS COMMAND
77643-69X3 PIECE 16 AND 17	96169	ELECTRIC BOAT CORPORATION
SSN637-501-2143862 PC 16 AND 17	80064	NAVAL SHIP SYSTEMS COMMAND

Techincal Specification:

BODY INSIDE DIAMETER	2.5000 INCHES MINIMUM AND 2.5020 INCHES MAXIMUM
BODY OUTSIDE DIAMETER	2.8750 INCHES NOMINAL
CORNER SHAPE	SQUARE ALL CORNERS
LEFT FLANGE OUTSIDE DIAMETER	4.0000 INCHES NOMINAL
LEFT FLANGE WIDTH	0.1250 INCHES NOMINAL
LUBRICANT ACCOMMODATION STYLE	GROOVED CIRCULAR
OVERALL LENGTH	1.9960 INCHES MINIMUM AND 1.9980 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATION	BEARIUM B-8,FSCM 85373 MFR REF SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	COPPER ALLOY OVERALL
RIGHT FLANGE OUTSIDE DIAMETER	4.0000 INCHES NOMINAL
RIGHT FLANGE WIDTH	0.1230 INCHES NOMINAL
SPECIAL FEATURES	URETHANE RUBBER SEGMENTED BUSHING,3.820 IN. DIA OD,2.875 IN. DIA ID,1.590 IN. ID WIDTH TAPERED TO 1.500 IN. OD WIDTH,BONDED TO OD OF BODY
STYLE DESIGNATOR	SEGMENTED, EXTERNAL FLANGES BOTH ENDS
SURFACE FINISH	32.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY
SURFACE FINISH	32.0 MICROINCHES LEFT END SURFACE OF BODY AND FLANGE
SURFACE FINISH	32.0 MICROINCHES RIGHT END SURFACE OF BODY AND FLANGE
SURFACE GROOVE LOCATION AND QUANTITY	1 INTERNAL

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