3110-00-238-4769, BEARING,BALL,AIRFRAME

National Stock Number:
3110-00-238-4769

Federal Supply Class:
3110

National Item Identification Number:
002384769

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:

212-001-066-001	21335	TIMKEN CO
212-001-066-001	38443	SKF USA INC.
212-001-066-001	40920	MPB CORP
212-001-066-001	83086	NEW HAMPSHIRE BALL BEARINGS INC
212-001-066-001	97499	BELL TEXTRON INC
212-001-066-1	97499	BELL TEXTRON INC
MDW4A1657	21335	TIMKEN CO
MDW4	38443	SKF USA INC.
MDW4A1657	3NPS1	RBC AIRCRAFT PRODUCTS, INC.

Techincal Specification:

BEARING SEAL TYPE	CONTACT
BORE DIAMETER	0.2497 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM
INNER RING WIDTH	0.8725 INCHES MINIMUM AND 0.8750 INCHES MAXIMUM
LOAD DIRECTION	RADIAL
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATION	MIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE
MATERIAL DOCUMENT AND CLASSIFICATION	212-001-066-1,97499 MFR REF SINGLE MATERIAL RESPONSE SEAL
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 DOCUMENT AND CLASSIFICATION	FED-STD-66 FED STD SINGLE MATERIAL RESPONSE BALL
MATERIAL	RUBBER SYNTHETIC 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
OVERALL OUTSIDE DIAMETER	0.7496 INCHES MINIMUM AND 0.7500 INCHES MAXIMUM
SEAL QUANTITY	2
STYLE DESIGNATOR	DOUBLE ROW
SURFACE TREATMENT	CADMIUM ALL EXTERNAL/EXPOSED METAL SURFACES

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