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National Stock Number:
3110-01-428-5915
Federal Supply Class:
3110
National Item Identification Number:
014285915
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.
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Manufacturer Information:
| MDW4K2 FS464 | 21335 | TIMKEN CO | | MDW4K2 FS464 | 3NPS1 | RBC AIRCRAFT PRODUCTS, INC. |
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Techincal Specification:
| BEARING SEAL TYPE | CONTACT | | BORE DIAMETER | 0.2497 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM | | INNER RING WIDTH | 0.5595 INCHES MINIMUM AND 0.5620 INCHES MAXIMUM | | LOAD DIRECTION | RADIAL | | LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATION | MIL-G-81322 MIL SPEC SINGLE MATERIAL RESPONSE | | LUBRICATION MATERIAL | GREASE | | MATERIAL | STEEL BALL | | MATERIAL | RUBBER SYNTHETIC SEAL | | MATERIAL | STEEL INNER RING | | MATERIAL | STEEL OUTER RING | | MATERIAL | STEEL RETAINER | | OUTER RING WIDTH | 0.4950 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM | | OVERALL OUTSIDE DIAMETER | 0.6246 INCHES MINIMUM AND 0.6250 INCHES MAXIMUM | | RETAINER FABRICATION METHOD | PRESSED | | SEAL QUANTITY | 2 | | SPECIAL FEATURES | 0.0001 IN. MIN 0.0005 IN. MAX RADIAL CLEARANCE UNDER 2.2 LB LOAD AND 0.0020 IN. AXIAL PLAY UNDER 5.5 LB LOAD, OUTWARD CONVERGENT ANGLE | | STYLE DESIGNATOR | DOUBLE ROW | | SURFACE TREATMENT | CADMIUM AND CHROMATE ALL EXTERNAL/EXPOSED METAL SURFACES |
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