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National Stock Number:
3110-01-032-3631
Federal Supply Class:
3110
National Item Identification Number:
010323631
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:
| DP-138H | 77896 | REXNORD INDUSTRIES, LLC |
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Techincal Specification:
| BEARING SEAL TYPE | CONTACT | | BORE DIAMETER | 2.3616 INCHES MINIMUM AND 2.3622 INCHES MAXIMUM | | INNER RING WIDTH | 1.5720 INCHES MINIMUM AND 1.5770 INCHES MAXIMUM | | LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATION | MIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE | | LUBRICATION MATERIAL | GREASE | | OUTER RING WIDTH | 1.3770 INCHES NOMINAL | | OVERALL OUTSIDE DIAMETER | 4.2500 INCHES MINIMUM AND 4.2510 INCHES MAXIMUM | | MATERIAL | PLASTIC TETRAFLUOROETHYLENE AND GLASS FIBER SEAL | | MATERIAL | STEEL INNER RING | | MATERIAL | STEEL OUTER RING | | MATERIAL | STEEL ROLLER | | MATERIAL | STEEL RETAINER | | RETAINER FABRICATION METHOD | PRESSED | | SEAL QUANTITY | 2 | | SPECIAL FEATURES | LUBRICANT HOLE AND GROOVE IN OD OF OUTER RING,2 DEG SELF-ALIGNMENT IN EITHER DIRECTION | | STYLE DESIGNATOR | CONCAVE ROLLERS, DOUBLE CLOSURE, SELF ALIGNING | | SURFACE TREATMENT | CADMIUM ALL EXTERNAL/EXPOSED METAL SURFACES |
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