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National Stock Number:
3110-00-508-3051
Federal Supply Class:
3110
National Item Identification Number:
005083051
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:
| 3110PL1014860 | 9009H | INSPEKTORAT WSPARCIA SIL ZBROJNYCH | | 9408328402 | S4080 | PILATUS AIRCRAFT LTD | | AS27648 | 0U583 | SAE INTERNATIONAL | | KP21BS | 21335 | TIMKEN CO | | KP21BS | 38443 | SKF USA INC. | | AS27648 | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC | | KP21BSFS464 | 06144 | INDUSTRIAL TECTONICS BEARINGS CORPORATION | | MS27648-21 | 0U583 | SAE INTERNATIONAL | | KP21BSFS464 | 21335 | TIMKEN CO | | MS27648-21 | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC | | SAE AS27648 | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC | | MS27648-21 | 96906 | MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
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Techincal Specification:
| ALIGNMENT TYPE | SELF-ALIGNING | | BEARING SEAL TYPE | CONTACT | | BORE DIAMETER | 1.3130 INCHES NOMINAL | | FEATURES PROVIDED | ALIGNING RING | | INNER RING WIDTH | 0.4370 INCHES NOMINAL | | LOAD DIRECTION | RADIAL | | LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATION | MIL-G-81322 MIL SPEC SINGLE MATERIAL RESPONSE | | OUTER RING WIDTH | 0.3750 INCHES NOMINAL | | OVERALL OUTSIDE DIAMETER | 2.2500 INCHES NOMINAL | | SPECIAL FEATURES | 80 PCT FULL OF SPECIFIED GREASE,0.0003 IN. TO 0.0010 IN. RADIAL CLEARANCE,6.5 DEG SELF ALIGNMENT IN EITHER DIRECTION | | SEAL QUANTITY | 2 | | SELF-ALIGNMENT LOCATION | EXTERNAL | | STANDARD TOLERANCE DESIGNATION | AFBMA STD TOLERANCE FOR AIRFRAME BALL BEARINGS | | STYLE DESIGNATOR | SINGLE ROW, EXTERNAL SELF ALIGNING, W/ALIGNING RING |
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