3110-00-446-2952, BEARING,BALL,AIRFRAME

National Stock Number:
3110-00-446-2952

Federal Supply Class:
3110

National Item Identification Number:
004462952

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:

10366971	A486G	NIMIKKEISTOKESKUS NCB FINLAND
369A7951-19	02731	MCDONNELL DOUGLAS HELICOPTER CO INC
KP4A	21335	TIMKEN CO
KP4A	38443	SKF USA INC.

Techincal Specification:

BEARING SEAL TYPE	CONTACT
BORE DIAMETER	0.2495 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM
INNER RING WIDTH	0.2760 INCHES MINIMUM AND 0.2810 INCHES MAXIMUM
LOAD DIRECTION	RADIAL
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATION	MIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE
MATERIAL DOCUMENT AND CLASSIFICATION	369A7951-19,02731 MFR REF SINGLE MATERIAL RESPONSE SEAL
MATERIAL DOCUMENT AND CLASSIFICATION	FED-STD-66 FED STD SINGLE MATERIAL RESPONSE BALL
MATERIAL DOCUMENT AND CLASSIFICATION	FED-STD-66 FED STD SINGLE MATERIAL RESPONSE INNER RING
MATERIAL DOCUMENT AND CLASSIFICATION	FED-STD-66 FED STD SINGLE MATERIAL RESPONSE OUTER RING
MATERIAL	RUBBER SEAL
MATERIAL	STEEL COMP E51100 BALL
MATERIAL	STEEL COMP E52100 OUTER RING
MATERIAL	STEEL COMP E52100 INNER RING
OUTER RING WIDTH	0.2140 INCHES MINIMUM AND 0.2190 INCHES MAXIMUM
OVERALL OUTSIDE DIAMETER	0.7495 INCHES MINIMUM AND 0.7500 INCHES MAXIMUM
SEAL QUANTITY	2
STYLE DESIGNATOR	SINGLE ROW INNER RING EXTENDED BOTH SIDES
SURFACE TREATMENT	CADMIUM ALL EXTERNAL/EXPOSED METAL SURFACES

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