3110-00-277-8348, BEARING,BALL,AIRFRAME

National Stock Number:
3110-00-277-8348

Federal Supply Class:
3110

National Item Identification Number:
002778348

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:

10107371	A486G	NIMIKKEISTOKESKUS NCB FINLAND
AS7949	0U583	SAE INTERNATIONAL
DW4KFAFNIR	21335	TIMKEN CO
DW4KFS464	21335	TIMKEN CO
DW4K	38443	SKF USA INC.
AS7949	81343	SOCIETY OF AUTOMOTIVE ENGINEERS INC
MS27647-4	0U583	SAE INTERNATIONAL
DW4KFS464	3NPS1	RBC AIRCRAFT PRODUCTS, INC.
SAE AS7949	81343	SOCIETY OF AUTOMOTIVE ENGINEERS INC
MS27647-4	81343	SOCIETY OF AUTOMOTIVE ENGINEERS INC
MS27647-4	96906	MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M

Techincal Specification:

BEARING SEAL TYPE	CONTACT
BORE DIAMETER	0.2495 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM
INNER RING WIDTH	0.8700 INCHES MINIMUM AND 0.8750 INCHES MAXIMUM
LOAD DIRECTION	RADIAL
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATION	MIL-G-81322 MIL SPEC SINGLE MATERIAL RESPONSE
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 3652 ASSN STD SINGLE MATERIAL RESPONSE SEAL
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 6440 ASSN STD SINGLE MATERIAL RESPONSE BALL
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 6440 ASSN STD SINGLE MATERIAL RESPONSE INNER RING
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 6440 ASSN STD SINGLE MATERIAL RESPONSE OUTER RING
OVERALL OUTSIDE DIAMETER	0.7495 INCHES MINIMUM AND 0.7500 INCHES MAXIMUM
PART NAME ASSIGNED BY CONTROLLING AGENCY	BEARING BALL, AIRFRAME, ANTI FRICTION, EXTRA WIDE DOUBLE ROW, INTERMEDIATE DUTY
MATERIAL	PLASTIC POLYTETRAFLUOROETHYLENE SEAL
MATERIAL	STEEL COMP E52100 BALL
MATERIAL	STEEL COMP E52100 OUTER RING
MATERIAL	STEEL COMP E52100 INNER RING
OUTER RING WIDTH	0.7450 INCHES MINIMUM AND 0.7500 INCHES MAXIMUM
SPECIAL FEATURES	80 PCT FULL OF GREASE MIL-G-81322,HEAT TREAT RINGS AND BALLS TO ROCKWELL C SCALE 60 TO 66 AND HEAT STABILIZED FOR OPERATION AT 250 DEG F,RADIAL AND LATERAL ECCENTRICITY 0.0010 IN. INNER RING,0.0016 IN. OUTER RING
SEAL QUANTITY	2
STYLE DESIGNATOR	DOUBLE ROW
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416,TY 1,CL2 FED SPEC SINGLE TREATMENT RESPONSE ALL EXTERNAL/EXPOSED METAL SURFACES
SURFACE TREATMENT	CADMIUM ALL EXTERNAL/EXPOSED METAL SURFACES

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