3110-01-145-6998, BEARING,BALL,AIRFRAME

National Stock Number:
3110-01-145-6998

Federal Supply Class:
3110

National Item Identification Number:
011456998

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:

MDW4A1173	21335	TIMKEN CO
MDW4A1173	3NPS1	RBC AIRCRAFT PRODUCTS, INC.

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
LOAD DIRECTION	ANGULAR
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATION	MIL-G-81322 MIL SPEC SINGLE MATERIAL RESPONSE
LUBRICATION MATERIAL	GREASE
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	66 FED STD SINGLE MATERIAL RESPONSE BALL
MATERIAL DOCUMENT AND CLASSIFICATION	66 FED STD SINGLE MATERIAL RESPONSE INNER RING
MATERIAL DOCUMENT AND CLASSIFICATION	66 FED STD SINGLE MATERIAL RESPONSE OUTER RING
MATERIAL	PLASTIC POLYTETRAFLUOROETHYLENE SEAL
MATERIAL	STEEL COMP E52100 BALL
MATERIAL	STEEL COMP E52100 OUTER RING
MATERIAL	STEEL COMP E52100 INNER RING
SPECIAL FEATURES	40 TO 50 PCT FULL OF SPECIFIED LUBRICANT FOR LOW STARTING TORQUE; PRECISION SERIES
SEAL QUANTITY	2
STYLE DESIGNATOR	DOUBLE ROW
SURFACE TREATMENT	CADMIUM ALL EXTERNAL/EXPOSED METAL SURFACES

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