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National Stock Number:
3110-00-152-2937
Federal Supply Class:
3110
National Item Identification Number:
001522937
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:
| 3TWL21-28P | 78118 | MPB CORPORATION | | 3TWL21-28PLY76 | 78118 | MPB CORPORATION | | 42206D5 | 82402 | TRIUMPH GEAR SYSTEMS INC | | S2128EISTE3P515LY231 | 40920 | MPB CORP |
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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-81322 MIL SPEC SINGLE MATERIAL RESPONSE | | LUBRICATION MATERIAL | GREASE | | OUTER RING WIDTH | 0.2450 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM | | OVERALL OUTSIDE DIAMETER | 1.7495 INCHES MINIMUM AND 1.7500 INCHES MAXIMUM | | MATERIAL | STEEL CORROSION RESISTING OVERALL | | SPECIAL FEATURES | FRACTURED OUTER RING WITH 2 CRES HOLDING RINGS,TETRAFLUOROETHYLENE SPACER SLUGS,2 INTEGRAL SHIELDS | | STYLE DESIGNATOR | SINGLE ROW, TORQUE TUBE TYPE, W/OR W/O CLOSURE |
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