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National Stock Number:
3110-00-679-1146
Federal Supply Class:
3110
National Item Identification Number:
006791146
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:
| BR12 | 77896 | REXNORD INDUSTRIES, LLC | | DAS12-38A | 77896 | REXNORD INDUSTRIES, LLC |
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Techincal Specification:
| BEARING SEAL TYPE | CONTACT | | BORE DIAMETER | 0.7500 INCHES NOMINAL | | INNER RING WIDTH | 1.3120 INCHES NOMINAL | | LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATION | MIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE | | LUBRICATION MATERIAL | GREASE | | OUTER RING WIDTH | 1.1250 INCHES NOMINAL | | OVERALL OUTSIDE DIAMETER | 2.3750 INCHES NOMINAL | | MATERIAL | COPPER ALLOY RETAINER | | MATERIAL | RUBBER SYNTHETIC SEAL | | MATERIAL | STEEL SLEEVE | | MATERIAL | STEEL INNER RING | | MATERIAL | STEEL LOCKING COLLAR | | MATERIAL | STEEL OUTER RING | | MATERIAL | STEEL ROLLER | | SPECIAL FEATURES | 10 DEG SELF ALIGNMENT IN EITHER DIRECTION,LUBRICANT HOLE AND GROOVE IN OD OF OUTER RING,HEAT TREATED SLEEVE AND COLLARS ON INNER RING | | RETAINER FABRICATION METHOD | CAST | | SEAL QUANTITY | 2 | | STYLE DESIGNATOR | CONCAVE ROLLERS, DOUBLE CLOSURE, SELF ALIGNING | | SURFACE TREATMENT | CADMIUM ALL EXTERNAL/EXPOSED METAL SURFACES |
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