3110-01-265-0576, BEARING,BALL,AIRFRAME

National Stock Number:
3110-01-265-0576

Federal Supply Class:
3110

National Item Identification Number:
012650576

Description:
BEARING,BALL,AIRFRAME

Detail:
A cylindrical item in which the inner or outer ring turns upon row(s) of hardened BALL, BEARING which roll on a raceway, thus minimizing friction. These items are characterized by their noncorrosive qualities, lightness of weight, inch dimensions rather than metric, inner rings generally projecting beyond the faces of the outer ring, or a very narrow width inner ring having an outside diameter slightly larger than the bore diameter. Designed primarily for use in aircraft assemblies, such as control systems and surfaces of aircraft. Excludes BEARING, BALL, ANNULAR.

Manufacturer Information:

MDW4K	83086	NEW HAMPSHIRE BALL BEARINGS INC
MDW4K-400	38443	SKF USA INC.
MDW4K-H	21760	SCHATZ BEARING CORPORATION

Techincal Specification:

BEARING SEAL TYPE	CONTACT
BORE DIAMETER	0.2497 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM
INNER RING WIDTH	0.8725 INCHES MINIMUM AND 0.8750 INCHES MAXIMUM
INTERNAL CLEARANCE	0.0005 INCHES MAXIMUM RADIAL
LOAD DIRECTION	ANGULAR
LUBRICATION MATERIAL	GREASE
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATION	MIL-G-81322 MIL SPEC SINGLE MATERIAL RESPONSE
OUTER RING WIDTH	0.7450 INCHES MINIMUM AND 0.7500 INCHES MAXIMUM
OVERALL OUTSIDE DIAMETER	0.7496 INCHES MINIMUM AND 0.7500 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 3666 ASSN STD SINGLE MATERIAL RESPONSE SEAL
MATERIAL	PLASTIC POLYTETRAFLUOROETHYLENE SEAL
MATERIAL	STEEL COMP E52100 BALL
MATERIAL	STEEL COMP E52100 INNER RING
MATERIAL	STEEL COMP E52100 OUTER RING
MATERIAL	STEEL CORROSION RESISTING RETAINER
MATERIAL	STEEL CORROSION RESISTING SNAP RING
SPECIAL FEATURES	80 PCT FULL SPECIFIED LUBRICANT; OUTWARD CONVERGENT ANGLE
RETAINER FABRICATION METHOD	PRESSED
SEAL QUANTITY	2
STYLE DESIGNATOR	DOUBLE ROW
SURFACE TREATMENT	CADMIUM ALL EXTERNAL/EXPOSED METAL SURFACES

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