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National Stock Number:
3110-01-124-0953
Federal Supply Class:
3110
National Item Identification Number:
011240953
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:
| AS21428 | 0U583 | SAE INTERNATIONAL | | AS21428 | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC | | MB544DD-FS100 | 06144 | INDUSTRIAL TECTONICS BEARINGS CORPORATION | | MS21428-44 | 0U583 | SAE INTERNATIONAL | | MB544DDFS464 | 21335 | TIMKEN CO | | MS21428-44 | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC | | SAE AS21428 | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC | | MS21428-44 | 96906 | MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
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Techincal Specification:
| BEARING SEAL TYPE | CONTACT | | BORE DIAMETER | 1.8125 INCHES NOMINAL | | INNER RING WIDTH | 0.2810 INCHES NOMINAL | | LOAD DIRECTION | RADIAL | | LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATION | MIL-G-81322 MIL SPEC SINGLE MATERIAL RESPONSE | | LUBRICATION MATERIAL | GREASE | | OUTER RING WIDTH | 0.2500 INCHES NOMINAL | | OVERALL OUTSIDE DIAMETER | 2.2500 INCHES NOMINAL | | SEAL QUANTITY | 2 | | SPECIAL FEATURES | HEAT STABILIZED FOR OPERATION AT 250 DEG F; 80 PCT FULL OF SPECIFIED LUBRICANT | | STANDARD TOLERANCE DESIGNATION | AFBMA STD TOLERANCE FOR AIRFRAME BALL BEARINGS | | STYLE DESIGNATOR | SINGLE ROW INNER RING EXTENDED BOTH SIDES |
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