3110-01-251-0029, BEARING,BALL,AIRFRAME

National Stock Number:
3110-01-251-0029

Federal Supply Class:
3110

National Item Identification Number:
012510029

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:

KP37BE8081	06144	INDUSTRIAL TECTONICS BEARINGS CORPORATION
KP37BE8081	21335	TIMKEN CO
MIL-B-7949	81349	MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M

Techincal Specification:

BEARING SEAL TYPE	CONTACT
BORE DIAMETER	2.3120 INCHES MINIMUM AND 2.3130 INCHES MAXIMUM
DEPARTURE FROM CITED DOCUMENT	AS MODIFIED BY LUBRICATION
FEATURES PROVIDED	EXTRA LIGHT DUTY SERIES
FUNCTIONAL DESCRIPTION	RADIAL TORQUE TUBE TYPE CONTROL
INNER RING WIDTH	0.4325 INCHES MINIMUM AND 0.4375 INCHES MAXIMUM
INTERNAL FIT-UP DESIGNATION	STANDARD
LOAD DIRECTION	RADIAL
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATION	E8081 MFR REF SINGLE MATERIAL RESPONSE
LUBRICATION MATERIAL	LUBRICANT
MATERIAL DOCUMENT AND CLASSIFICATION	66 UNS G51986 OR G93106 FED STD ALL MATERIAL RESPONSES BALL
MATERIAL DOCUMENT AND CLASSIFICATION	66 UNS G93106 FED STD SINGLE MATERIAL RESPONSE INNER RING
MATERIAL DOCUMENT AND CLASSIFICATION	66 UNS G93106 FED STD SINGLE MATERIAL RESPONSE OUTER RING
MATERIAL DOCUMENT AND CLASSIFICATION	66 UNS S41000 FED STD SINGLE MATERIAL RESPONSE RETAINER
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 3652 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 3666 ASSN STD SINGLE MATERIAL RESPONSE SEAL
MATERIAL	PLASTIC POLYTETRAFLUOROETHYLENE SEAL
MATERIAL	STEEL COMP E51100 OR STEEL COMP E52100 BALL
MATERIAL	STEEL COMP E52100 OUTER RING
MATERIAL	STEEL COMP E52100 RETAINER
MATERIAL	STEEL COMP E52100 INNER RING
OUTER RING WIDTH	0.3700 INCHES MINIMUM AND 0.3750 INCHES MAXIMUM
OVERALL OUTSIDE DIAMETER	3.0615 INCHES MINIMUM AND 3.0625 INCHES MAXIMUM
RETAINER FABRICATION METHOD	PRESSED
SEAL QUANTITY	2
SPECIFICATION/STANDARD DATA	81349-MIL-B-7949 GOVERNMENT SPECIFICATION
STANDARD TOLERANCE DESIGNATION	AFBMA STD TOLERANCE FOR AIRFRAME BALL BEARINGS
STYLE DESIGNATOR	SINGLE ROW INNER RING EXTENDED BOTH SIDES
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416,TYPE 1,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE ALL EXTERNAL/EXPOSED METAL SURFACES
SURFACE TREATMENT	CADMIUM ALL EXTERNAL/EXPOSED METAL SURFACES

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