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National Stock Number:
3110-00-505-2608
Federal Supply Class:
3110
National Item Identification Number:
005052608
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:
| MB539DDFS428 | 21335 | TIMKEN CO | | MS21428-39G | 0U583 | SAE INTERNATIONAL | | MS21428-39G | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC | | MS21428-39G | 96906 | MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
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Techincal Specification:
| ALIGNMENT TYPE | RIGID | | BEARING SEAL TYPE | CONTACT | | BORE DIAMETER | 0.7495 INCHES MINIMUM AND 0.7500 INCHES MAXIMUM | | INNER RING WIDTH | 0.2785 INCHES MINIMUM AND 0.2810 INCHES MAXIMUM | | LOAD DIRECTION | RADIAL | | LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATION | MIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE | | OUTER RING WIDTH | 0.2450 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM | | OVERALL OUTSIDE DIAMETER | 1.1870 INCHES MINIMUM AND 1.1875 INCHES MAXIMUM | | MATERIAL | PLASTIC POLYTETRAFLUOROETHYLENE SEAL | | MATERIAL | STEEL COMP E52100 BALL | | MATERIAL | STEEL COMP E52100 INNER RING | | MATERIAL | STEEL COMP E52100 OUTER RING | | SEAL QUANTITY | 2 | | SPECIAL FEATURES | 0.0001 IN. MIN 0.0005 IN. MAX INTERNAL CLEARANCE | | STYLE DESIGNATOR | SINGLE ROW, TORQUE TUBE TYPE, W/OR W/O CLOSURE | | SURFACE TREATMENT | CADMIUM ALL EXTERNAL/EXPOSED METAL SURFACES |
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