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National Stock Number:
3110-00-787-8888
Federal Supply Class:
3110
National Item Identification Number:
007878888
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:
| 3TWA21-28P | 78118 | MPB CORPORATION | | 3TWA21-28PLY196 | 78118 | MPB CORPORATION | | 3TWA21-28PMILG3278A | 78118 | MPB CORPORATION | | 6201-11 | 82005 | ALLARD NAZARIAN GROUP, INC. |
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Techincal Specification:
| BORE DIAMETER | 1.3122 INCHES MINIMUM AND 1.3128 INCHES MAXIMUM | | INNER RING WIDTH | 0.2760 INCHES MINIMUM AND 0.2810 INCHES MAXIMUM | | LOAD DIRECTION | RADIAL | | LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATION | MIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE | | LUBRICATION MATERIAL | GREASE | | OUTER RING WIDTH | 0.2500 INCHES NOMINAL | | OVERALL OUTSIDE DIAMETER | 1.7495 INCHES MINIMUM AND 1.7500 INCHES MAXIMUM | | MATERIAL | STEEL CORROSION RESISTING OVERALL | | SHIELD QUANTITY | 2 | | SPECIAL FEATURES | INTEGRAL SEALS ARE FORMED BY EXTENDING THE LANDS OF THE OUTER RING TO WITHIN 0.0040 IN. MIN TO 0.0050 IN. MAX OF LANDS OF THE INNER RING,OD FRACTURED AT ONE POINT,ALTERNATE BALL TYPE BEARING WITH ALTER WATING UNDERSIZED BALLS | | STYLE DESIGNATOR | SINGLE ROW INNER RING EXTENDED BOTH SIDES |
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