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National Stock Number:
3110-00-516-5487
Federal Supply Class:
3110
National Item Identification Number:
005165487
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:
| A4AMILG3278 | 77896 | REXNORD INDUSTRIES, LLC | | DAS4-20A1-501 | 77896 | REXNORD INDUSTRIES, LLC |
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Techincal Specification:
| MATERIAL | STEEL INNER RING | | STEEL OUTER RING | | STEEL RETAINER | | STEEL ROLLER | | RUBBER SYNTHETIC SEAL | | STYLE DESIGNATOR | CONCAVE ROLLERS, DOUBLE CLOSURE, SELF ALIGNING | | BORE DIAMETER | 0.2500 INCHES NOMINAL | | OVERALL OUTSIDE DIAMETER | 1.2500 INCHES NOMINAL | | OUTER RING WIDTH | 0.7500 INCHES NOMINAL | | INNER RING WIDTH | 1.0000 INCHES NOMINAL | | SURFACE TREATMENT | CADMIUM ALL EXTERNAL/EXPOSED METAL SURFACES | | LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATION | MIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE | | SEAL QUANTITY | 2 | | BEARING SEAL TYPE | CONTACT | | SPECIAL FEATURES | 12 DEG SELF ALIGNMENT IN EITHER DIRECTION; LUBRICANT HOLE AND GROOVE INOD OF OUTER RING AND HEAT TREATED COLLARS IN INNER RING; STEEL RETAINING WASHER | | LUBRICATION MATERIAL | GREASE |
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