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National Stock Number:
3110-00-293-8673
Federal Supply Class:
3110
National Item Identification Number:
002938673
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:
| A5R | 77896 | REXNORD INDUSTRIES, LLC | | DAS5-25BQ-1 | 77896 | REXNORD INDUSTRIES, LLC |
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Techincal Specification:
| BEARING SEAL TYPE | CONTACT | | BORE DIAMETER | 0.3125 INCHES NOMINAL | | INNER RING WIDTH | 1.1870 INCHES NOMINAL | | LUBRICATION MATERIAL | GREASE | | LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATION | MIL-G-81322 MIL SPEC SINGLE MATERIAL RESPONSE | | MATERIAL | RUBBER SYNTHETIC SEAL | | MATERIAL | ZINC RETAINER | | MATERIAL | STEEL INNER RING | | MATERIAL | STEEL LOCKING COLLAR | | MATERIAL | STEEL OUTER RING | | MATERIAL | STEEL ROLLER | | OUTER RING WIDTH | 0.8440 INCHES NOMINAL | | OVERALL OUTSIDE DIAMETER | 1.5625 INCHES NOMINAL | | RETAINER FABRICATION METHOD | CAST | | SEAL QUANTITY | 2 | | SPECIAL FEATURES | 10 DEG SELF-ALIGNMENT IN EITHER DIRECTION,0.0002 IN. MIN 0.0010 IN. MAX RADIAL CLEARANCE,LUBE HOLE AND GROOVE IN OD OF OUTER RING,HEAT TREATED SLEEVE AND COLLARS ON INNER RING | | STYLE DESIGNATOR | CONCAVE ROLLERS, DOUBLE CLOSURE, SELF ALIGNING | | SURFACE TREATMENT | CADMIUM INNER RING | | SURFACE TREATMENT | CADMIUM OUTER RING |
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