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National Stock Number:
3110-00-541-9008
Federal Supply Class:
3110
National Item Identification Number:
005419008
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:
| MDW4KFS428 | 21335 | TIMKEN CO | | MDW4KFS428 | 3NPS1 | RBC AIRCRAFT PRODUCTS, INC. |
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Techincal Specification:
| BEARING SEAL TYPE | CONTACT | | BORE DIAMETER | 0.2500 INCHES NOMINAL | | LOAD DIRECTION | ANGULAR | | LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATION | MIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE | | LUBRICATION MATERIAL | GREASE | | MATERIAL | PLASTIC POLYTETRAFLUOROETHYLENE SEAL | | MATERIAL | STEEL COMP E52100 BALL | | MATERIAL | STEEL COMP E52100 INNER RING | | MATERIAL | STEEL COMP E52100 OUTER RING | | MATERIAL | STEEL RETAINER | | INNER RING WIDTH | 0.8750 INCHES NOMINAL | | OUTER RING WIDTH | 0.7500 INCHES NOMINAL | | OVERALL OUTSIDE DIAMETER | 0.7500 INCHES NOMINAL | | SEAL QUANTITY | 2 | | SPECIAL FEATURES | OUTWARD CONVERGENT ANGLE | | STANDARD TOLERANCE DESIGNATION | ABEC NO.3 | | STYLE DESIGNATOR | DOUBLE ROW | | SURFACE TREATMENT | CADMIUM ALL EXTERNAL/EXPOSED METAL SURFACES |
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