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National Stock Number:
3110-14-349-9740
Federal Supply Class:
3110
National Item Identification Number:
143499740
Description:
BEARING,ROLLER,AIRFRAME
Detail:
A CYLINDRICAL ITEM IN WHICH THE INNER OR OUTER RING TURNS UPON ROW(S) OF HARDENED ROLLER, 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, ROLLER, CYLINDRICAL.
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Manufacturer Information:
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Techincal Specification:
| ALIGNMENT TYPE | SELF-ALIGNING | | BORE DIAMETER | 7.993 MILLIMETERS MINIMUM AND 8.002 MILLIMETERS MAXIMUM | | INTERNAL FIT-UP DESIGNATION | STANDARD | | LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATION | AIR 4210B-G354 MIL STD SINGLE MATERIAL RESPONSE | | LUBRICATION MATERIAL | GREASE | | MATERIAL DOCUMENT AND CLASSIFICATION | F3025 AIR 9160C MIL STD SINGLE MATERIAL RESPONSE INNER RING | | MATERIAL DOCUMENT AND CLASSIFICATION | F3025 AIR 9160C MIL STD SINGLE MATERIAL RESPONSE OUTER RING | | MATERIAL | STEEL COMP 100C6 INNER RING | | MATERIAL | STEEL COMP 100C6 OUTER RING | | MATERIAL | STEEL COMP 100C6 ROLLER | | MATERIAL | STEEL CORROSION RESISTING SHIELD | | INNER RING WIDTH | 14.9 MILLIMETERS MINIMUM AND 15.0 MILLIMETERS MAXIMUM | | OUTER RING WIDTH | 9.9 MILLIMETERS MINIMUM AND 10.0 MILLIMETERS MAXIMUM | | OVERALL OUTSIDE DIAMETER | 29.991 MILLIMETERS MINIMUM AND 30.000 MILLIMETERS MAXIMUM | | SELF-ALIGNMENT LOCATION | INTERNAL | | SHIELD QUANTITY | 2 | | STYLE DESIGNATOR | SPHERICAL ROLLER, DOUBLE CLOSURE, SELF ALIGNING | | UNPACKAGED UNIT WEIGHT | 49.0 GRAMS NOMINAL |
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