3110-01-196-7725, BEARING,BALL,AIRFRAME

National Stock Number:
3110-01-196-7725

Federal Supply Class:
3110

National Item Identification Number:
011967725

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:

MKP21BA1173	21335	TIMKEN CO
MKP21BFS464	21335	TIMKEN CO
MS27642-21S	0U583	SAE INTERNATIONAL
MS27642-21S	81343	SOCIETY OF AUTOMOTIVE ENGINEERS INC
MS27642-21S	96906	MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M

Techincal Specification:

MATERIAL	STEEL COMP E51100 OR
	STEEL COMP E52100 BALL
	STEEL COMP E52100 INNER RING
	STEEL COMP E52100 OUTER RING
	PLASTIC POLYTETRAFLUOROETHYLENE OR
	PLASTIC POLYTETRAFLUOROETHYLENE AND
	GLASS SEAL
STYLE DESIGNATOR	SINGLE ROW INNER RING EXTENDED BOTH SIDES
LOAD DIRECTION	RADIAL
MATERIAL DOCUMENT AND CLASSIFICATION	66 FED STD ALL MATERIAL RESPONSES BALL
	66 FED STD SINGLE MATERIAL RESPONSE INNER RING
	66 FED STD SINGLE MATERIAL RESPONSE OUTER RING
	AMS 3652 ASSN STD 1ST MATERIAL RESPONSE OR
	AMS 3666 ASSN STD 2ND MATERIAL RESPONSE AND
	AMS 3666 ASSN STD 3RD MATERIAL RESPONSE SEAL
BORE DIAMETER	1.3120 INCHES MINIMUM AND
	1.3125 INCHES MAXIMUM
OVERALL OUTSIDE DIAMETER	2.0615 INCHES MINIMUM AND
	2.0625 INCHES MAXIMUM
OUTER RING WIDTH	0.3700 INCHES MINIMUM AND
	0.3750 INCHES MAXIMUM
INNER RING WIDTH	0.4320 INCHES MINIMUM AND
	0.4370 INCHES MAXIMUM
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATION	MIL-G-81322 MIL SPEC SINGLE MATERIAL RESPONSE
SEAL QUANTITY	2
BEARING SEAL TYPE	CONTACT
SPECIAL FEATURES	HEAT STABILIZED FOR OPERATION AT 250 DEG F; 80 PCT FULL OF SPECIFIED LUBRICANT; EXTRA PRECISION ID TOLERANCE; ALL EXTERNAL SURFACES EXCEPT BORE AND CORROSION RESISTANT STEEL SEAL RETAINERS TREATED W/CADMIUM PER QQ-P-416,TY 1,CL 2
LUBRICATION MATERIAL	GREASE

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