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National Stock Number:
3110-00-901-7247
Federal Supply Class:
3110
National Item Identification Number:
009017247
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:
| C4556BME3 | 40920 | MPB CORP | | C4556BME5P515L02 | 40920 | MPB CORP | | TCR45-56P | 78118 | MPB CORPORATION |
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Techincal Specification:
| BORE DIAMETER | 2.8122 INCHES MINIMUM AND 2.8128 INCHES MAXIMUM | | INNER RING WIDTH | 0.3700 INCHES MINIMUM AND 0.3750 INCHES MAXIMUM | | LOAD DIRECTION | RADIAL | | OVERALL OUTSIDE DIAMETER | 3.4992 INCHES MINIMUM AND 3.5001 INCHES MAXIMUM | | MATERIAL | PLASTIC PHENOLIC RETAINER | | MATERIAL | STEEL BALL | | MATERIAL | STEEL INNER RING | | MATERIAL | STEEL OUTER RING | | OUTER RING WIDTH | 0.3120 INCHES NOMINAL | | RETAINER FABRICATION METHOD | MACHINED | | SPECIAL FEATURES | OUTER RING FRACTURED AT ONE POINT,TWO RETAINMENT RINGS ON OD OF OUTER RING,RADIAL CLEARANCE 0.0005 IN. MIN TO 0.0015 IN. MAX | | STYLE DESIGNATOR | SINGLE ROW, TORQUE TUBE TYPE, W/OR W/O CLOSURE | | SURFACE TREATMENT | CADMIUM ALL EXTERNAL/EXPOSED METAL SURFACES |
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