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National Stock Number:
3110-00-974-4141
Federal Supply Class:
3110
National Item Identification Number:
009744141
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:
| BACB10C134H | 17765 | THE BOEING COMPANY | | BACB10C134H | 81205 | THE BOEING COMPANY | | BR4 | 77896 | REXNORD INDUSTRIES, LLC | | BR4H | 77896 | REXNORD INDUSTRIES, LLC | | BR4MILG3278 | 77896 | REXNORD INDUSTRIES, LLC | | DAS-14A(U)-41 | 77896 | REXNORD INDUSTRIES, LLC | | DAS4-14A | 77896 | REXNORD INDUSTRIES, LLC | | DAS4-14A(U)-41 | 77896 | REXNORD INDUSTRIES, LLC | | EAB1030 | 81996 | U S ARMY AVIATION AND MISSILE COMMAND | | MS28913-4C | 0U583 | SAE INTERNATIONAL | | MS28913-4C | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC | | MS28913-4C | 96906 | MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
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Techincal Specification:
| BEARING SEAL TYPE | CONTACT | | BORE DIAMETER | 0.2495 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM | | INNER RING WIDTH | 0.6200 INCHES MINIMUM AND 0.6250 INCHES MAXIMUM | | LUBRICATION MATERIAL | GREASE | | LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATION | MIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE | | OUTER RING WIDTH | 0.4640 INCHES NOMINAL | | OVERALL OUTSIDE DIAMETER | 0.9009 INCHES MINIMUM AND 0.9014 INCHES MAXIMUM | | MATERIAL | RUBBER SYNTHETIC SEAL | | MATERIAL | STEEL INNER RING | | MATERIAL | STEEL OUTER RING | | MATERIAL | STEEL RETAINER | | MATERIAL | STEEL ROLLER | | SEAL QUANTITY | 2 | | SPECIAL FEATURES | LUBRICANT HOLES AND GROOVE IN OUTER RING,TWO HEAT TREATED SLEEVES AND COLLARS ON INNER RING,RADIAL CLEARANCE 0.0002 IN. TO 0.0017 IN. | | STYLE DESIGNATOR | CONCAVE ROLLERS, DOUBLE CLOSURE, SELF ALIGNING | | SURFACE TREATMENT | CADMIUM ALL EXTERNAL/EXPOSED METAL SURFACES |
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