3120-00-140-1957, BEARING,SLEEVE

3120-00-140-1956 BEARING,SLEEVE

5360-00-140-1959 SPRING,HELICAL,EXTENSION

National Stock Number:
3120-00-140-1957

Federal Supply Class:
3120

National Item Identification Number:
001401957

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:

90982-08-056	09455	RBC TRANSPORT DYNAMICS CORP
ATF4545DD8-056	15860	NEW HAMPSHIRE BALL BEARINGS INC
C4545DD8-056	81755	LOCKHEED MARTIN CORPORATION
GDFRDD8-056	73134	ROLLER BEARING CO OF AMERICA INC

Techincal Specification:

BODY INSIDE DIAMETER	0.5000 INCHES MINIMUM AND 0.5010 INCHES MAXIMUM
BODY OUTSIDE DIAMETER	0.6260 INCHES MINIMUM AND 0.6265 INCHES MAXIMUM
CORNER SHAPE	SQUARE OUTSIDE LEFT CORNER
CORNER SHAPE	SQUARE INSIDE LEFT CORNER
CORNER SHAPE	SQUARE INSIDE RIGHT CORNER
CORNER SHAPE	SQUARE LEFT FLANGE OUTSIDE RIGHT CORNER
CORNER SHAPE	SQUARE OUTSIDE RIGHT CORNER
CORNER SHAPE	UNDERCUT LEFT FLANGE BODY CORNER
FLANGE OUTSIDE DIAMETER	0.7400 INCHES MINIMUM AND 0.7600 INCHES MAXIMUM
FLANGE WIDTH	0.0570 INCHES MINIMUM AND 0.0620 INCHES MAXIMUM
OVERALL LENGTH	0.6120 INCHES MINIMUM AND 0.6270 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-A-200/3 FED SPEC SINGLE MATERIAL RESPONSE OUTER LAYER
MATERIAL	ALUMINUM ALLOY 2024 OUTER LAYER
MATERIAL	PLASTIC POLYTETRAFLUOROETHYLENE INNER LAYER
SPECIAL FEATURES	PLASTIC POLYTETRAFLUOROETHYLENE /LINER BONDED TO LEFT END SURFACE OF BODY AND FLANGE
STYLE DESIGNATOR	SOLID, EXTERNAL FLANGE ONE END
SURFACE FINISH	125.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF FLANGE
SURFACE FINISH	125.0 MICROINCHES RIGHT END SURFACE OF LEFT FLANGE
SURFACE FINISH	125.0 MICROINCHES RIGHT END SURFACE OF BODY
SURFACE FINISH	63.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	MIL-A-8625,TY 1 MIL SPEC 1ST TREATMENT RESPONSE AND MIL-C-5541 MIL SPEC 2ND TREATMENT RESPONSE OUTER LAYER
SURFACE TREATMENT	ANODIZE AND CHROMATE OUTER LAYER

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