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National Stock Number:
3110-01-037-0841
Federal Supply Class:
3110
National Item Identification Number:
010370841
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:
| 10130561 | A486G | NIMIKKEISTOKESKUS NCB FINLAND | | MB540DDFS428 | 21335 | TIMKEN CO | | MB540DDFS464 | 06144 | INDUSTRIAL TECTONICS BEARINGS CORPORATION | | MB540DDFS464 | 21335 | TIMKEN CO | | MS21428-40 | 96906 | MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
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Techincal Specification:
| MATERIAL | STEEL COMP E52100 BALL | | STEEL COMP E52100 INNER RING | | STEEL COMP E52100 OUTER RING | | GLASS FIBER AND | | PLASTIC POLYTETRAFLUOROETHYLENE SEAL | | STYLE DESIGNATOR | SINGLE ROW, TORQUE TUBE TYPE, W/OR W/O CLOSURE | | LOAD DIRECTION | RADIAL | | SURFACE TREATMENT | CADMIUM ALL EXTERNAL/EXPOSED METAL SURFACES | | BORE DIAMETER | 0.8745 INCHES MINIMUM AND | | 0.8750 INCHES MAXIMUM | | OVERALL OUTSIDE DIAMETER | 1.3120 INCHES MINIMUM AND | | 1.3125 INCHES MAXIMUM | | OUTER RING WIDTH | 0.2450 INCHES MINIMUM AND | | 0.2500 INCHES MAXIMUM | | INNER RING WIDTH | 0.2785 INCHES MINIMUM AND | | 0.2810 INCHES MAXIMUM | | LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATION | MIL-G-81322 MIL SPEC SINGLE MATERIAL RESPONSE | | SEAL QUANTITY | 2 | | BEARING SEAL TYPE | CONTACT | | SPECIAL FEATURES | 0.0001 IN. MIN 0.0005 IN. MAX INTERNAL CLEARANCE | | LUBRICATION MATERIAL | GREASE | | SPEC/STD CONTROLLING DATA | | | MANUFACTURERS CODE | 96906 | | DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | MS21428-40 |
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