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National Stock Number:
3110-00-732-1808
Federal Supply Class:
3110
National Item Identification Number:
007321808
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:
| 3TWF14-21S | 40920 | MPB CORP | | 3TWF14-21S | 78118 | MPB CORPORATION |
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Techincal Specification:
| MATERIAL | STEEL CORROSION RESISTING OVERALL | | STYLE DESIGNATOR | SINGLE ROW INNER RING EXTENDED BOTH SIDES | | LOAD DIRECTION | RADIAL | | BORE DIAMETER | 0.8746 INCHES MINIMUM AND | | 0.8754 INCHES MAXIMUM | | OVERALL OUTSIDE DIAMETER | 1.3118 INCHES MINIMUM AND | | 1.3125 INCHES MAXIMUM | | OUTER RING WIDTH | 0.2500 INCHES NOMINAL | | INNER RING WIDTH | 0.2760 INCHES MINIMUM AND | | 0.2810 INCHES MAXIMUM | | LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATION | MIL-L-6085 MIL SPEC SINGLE MATERIAL RESPONSE | | SHIELD QUANTITY | 2 | | SPECIAL FEATURES | INTEGRAL SHIELDS ARE FORMED BY EXTENDING THE LANDS OF THE INNER RING,OUTER RING FRACTURED AT ONE POINT,0.0005 IN. TO 0.0015 IN. RADIAL CLEARANCE | | LUBRICATION MATERIAL | OIL |
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