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National Stock Number:
3110-00-580-3292
Federal Supply Class:
3110
National Item Identification Number:
005803292
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:
| DAT28-43A | 77896 | REXNORD INDUSTRIES, LLC | | DT28A | 77896 | REXNORD INDUSTRIES, LLC |
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Techincal Specification:
| MATERIAL | STEEL COMP E52100 INNER RING | | COPPER ALLOY RETAINER | | STEEL COMP E52100 ROLLER | | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEAL | | STEEL COMP 430 SHIELD | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-7420 MIL SPEC SINGLE MATERIAL RESPONSE INNER RING | | QQ-C-390 FED SPEC SINGLE MATERIAL RESPONSE RETAINER | | MIL-S-7420 MIL SPEC SINGLE MATERIAL RESPONSE ROLLER | | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE SHIELD | | BORE DIAMETER | 1.7500 INCHES NOMINAL | | OVERALL OUTSIDE DIAMETER | 2.6880 INCHES NOMINAL | | OUTER RING WIDTH | 0.5800 INCHES NOMINAL | | INNER RING WIDTH | 0.6700 INCHES NOMINAL | | SURFACE TREATMENT | CADMIUM ALL EXTERNAL/EXPOSED METAL SURFACES | | LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATION | MIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE | | RETAINER FABRICATION METHOD | CAST | | SHIELD QUANTITY | 2 | | SEAL QUANTITY | 2 | | BEARING SEAL TYPE | CONTACT | | SPECIAL FEATURES | 2 DEG SELF ALIGNMENT IN EITHER DIRECTION,OIL HOLES AND GROOVE IN OD | | LUBRICATION MATERIAL | GREASE |
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