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National Stock Number:
3110-01-132-0562
Federal Supply Class:
3110
National Item Identification Number:
011320562
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:
| 38950-00906-106 | 78286 | SIKORSKY AIRCRAFT CORPORATION | | 38950-00906-16 | 78286 | SIKORSKY AIRCRAFT CORPORATION | | MKP37BSA1173 | 21335 | TIMKEN CO | | MKP37BS-003M | 40920 | MPB CORP |
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Techincal Specification:
| MATERIAL | STEEL ALIGNMENT RING | | STEEL BALL | | STEEL INNER RING | | STEEL OUTER RING | | PLASTIC POLYTETRAFLUOROETHYLENE SEAL | | STYLE DESIGNATOR | SINGLE ROW, EXTERNAL SELF ALIGNING, W/ALIGNING RING | | LOAD DIRECTION | RADIAL | | SURFACE TREATMENT | CADMIUM ALL EXTERNAL/EXPOSED METAL SURFACES | | BORE DIAMETER | 2.3125 INCHES MINIMUM AND | | 2.3130 INCHES MAXIMUM | | OVERALL OUTSIDE DIAMETER | 3.2490 INCHES MINIMUM AND | | 3.2500 INCHES MAXIMUM | | OUTER RING WIDTH | 0.3700 INCHES MINIMUM AND | | 0.3750 INCHES MAXIMUM | | INNER RING WIDTH | 0.4345 INCHES MINIMUM AND | | 0.4370 INCHES MAXIMUM | | LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATION | MIL-G-81322 MIL SPEC SINGLE MATERIAL RESPONSE | | SEAL QUANTITY | 2 | | BEARING SEAL TYPE | CONTACT | | ALIGNMENT TYPE | SELF-ALIGNING | | SELF-ALIGNMENT LOCATION | EXTERNAL | | FEATURES PROVIDED | ALIGNING RING | | SPECIAL FEATURES | 40 TO 50 PCT FULL OF SPECIFIED LUBRICANT; LOW STARTING TORQUE | | LUBRICATION MATERIAL | GREASE |
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