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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:
| MATERIAL | STEEL COMP E52100 OR | | STEEL COMP E51100 BALL | | STEEL COMP E52100 INNER RING | | STEEL COMP E52100 OUTER RING | | PLASTIC POLYTETRAFLUOROETHYLENE OR | | PLASTIC SEAL | | STYLE DESIGNATOR | SINGLE ROW, EXTERNAL SELF ALIGNING, W/ALIGNING RING | | LOAD DIRECTION | RADIAL | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 3652 ASSN STD 1ST MATERIAL RESPONSE OR | | AMS 3666 ASSN STD 2ND MATERIAL RESPONSE SEAL | | SURFACE TREATMENT | CADMIUM EXPOSED SURFACES AS MOUNTED | | BORE DIAMETER | 1.3130 INCHES NOMINAL | | OVERALL OUTSIDE DIAMETER | 2.2500 INCHES NOMINAL | | OUTER RING WIDTH | 0.3750 INCHES NOMINAL | | INNER RING WIDTH | 0.4370 INCHES NOMINAL | | LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATION | MIL-G-81322 MIL SPEC SINGLE MATERIAL RESPONSE | | STANDARD TOLERANCE DESIGNATION | AFBMA STD TOLERANCE FOR AIRFRAME BALL BEARINGS | | SEAL QUANTITY | 2 | | BEARING SEAL TYPE | CONTACT | | ALIGNMENT TYPE | SELF-ALIGNING | | SELF-ALIGNMENT LOCATION | EXTERNAL | | FEATURES PROVIDED | ALIGNING RING | | 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 |
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