3110-01-078-8987 BEARING,BALL,ANNULAR Index 3120-01-078-8989 BUSHING,SLEEVE

National Stock Number:
3110-01-078-8988

Federal Supply Class:
3110

National Item Identification Number:
010788988

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:
AS276470U583SAE INTERNATIONAL
AS2764781343SOCIETY OF AUTOMOTIVE ENGINEERS INC
MS27647-80U583SAE INTERNATIONAL
DW8FS46421335TIMKEN CO
DW838443SKF USA INC.
DW8FS4643NPS1RBC AIRCRAFT PRODUCTS, INC.
MS27647-881343SOCIETY OF AUTOMOTIVE ENGINEERS INC
SAE AS2764781343SOCIETY OF AUTOMOTIVE ENGINEERS INC
MS27647-896906MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
MATERIALSTEEL COMP E51100 OR
STEEL COMP E52100 BALL
STEEL COMP E52100 INNER RING
STEEL COMP E52100 OUTER RING
STEEL CORROSION RESISTING RETAINER
PLASTIC POLYTETRAFLUOROETHYLENE SEAL
STYLE DESIGNATORDOUBLE ROW
LOAD DIRECTIONRADIAL
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD ALL MATERIAL RESPONSES BALL
66 FED STD SINGLE MATERIAL RESPONSE INNER RING
AMS 3652 ASSN STD SINGLE MATERIAL RESPONSE SEAL
SURFACE TREATMENTCADMIUM EXPOSED SURFACES AS MOUNTED
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 1,CL 2 FED SPEC SINGLE TREATMENT RESPONSE EXPOSED SURFACES AS MOUNTED
BORE DIAMETER0.4995 INCHES MINIMUM AND
0.5000 INCHES MAXIMUM
OVERALL OUTSIDE DIAMETER1.4370 INCHES MINIMUM AND
1.4375 INCHES MAXIMUM
OUTER RING WIDTH1.3700 INCHES MINIMUM AND
1.3750 INCHES MAXIMUM
INNER RING WIDTH1.4950 INCHES MINIMUM AND
1.5000 INCHES MAXIMUM
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATIONMIL-G-81322 MIL SPEC SINGLE MATERIAL RESPONSE
SEAL QUANTITY2
BEARING SEAL TYPECONTACT
SPECIAL FEATURES80 PCT FULL OF SPECIFIED LUBRICANT
LUBRICATION MATERIALGREASE


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