3110-01-087-8856 SEAT,BEARING Index 4820-01-087-8863 VALVE,CHECK

National Stock Number:
3110-01-087-8857

Federal Supply Class:
3110

National Item Identification Number:
010878857

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.


Manufacturer Information:
3110PL19386969009HINSPEKTORAT WSPARCIA SIL ZBROJNYCH
58260-4277896REXNORD INDUSTRIES, LLC
SA4-12A1-50377896REXNORD INDUSTRIES, LLC
SA4-12A1-50477896REXNORD INDUSTRIES, LLC


Techincal Specification:
BEARING SEAL TYPECONTACT
BORE DIAMETER0.2495 INCHES MINIMUM AND 0.2501 INCHES MAXIMUM
INNER RING WIDTH0.3080 INCHES MINIMUM AND 0.3130 INCHES MAXIMUM
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATIONMIL-G-81322 MIL SPEC SINGLE MATERIAL RESPONSE
LUBRICATION MATERIALGREASE
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-7420 MIL SPEC SINGLE MATERIAL RESPONSE INNER RING
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-7420 MIL SPEC SINGLE MATERIAL RESPONSE OUTER RING
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-7420 MIL SPEC SINGLE MATERIAL RESPONSE ROLLER
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE SHIELD
MATERIALPLASTIC POLYTETRAFLUOROETHYLENE SEAL
MATERIALSTEEL COMP E52100 OUTER RING
MATERIALSTEEL COMP E52100 INNER RING
MATERIALSTEEL COMP E52100 ROLLER
MATERIALSTEEL RETAINER
MATERIALSTEEL COMP 430 SHIELD
OUTER RING WIDTH0.2450 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM
OVERALL OUTSIDE DIAMETER0.7492 INCHES MINIMUM AND 0.7503 INCHES MAXIMUM
RETAINER FABRICATION METHODPRESSED
SEAL QUANTITY2
SHIELD QUANTITY2
SPECIAL FEATURES5 DEG SELF ALIGNMENT EITHER DIRECTION,0.0002 MIN 0.0010 MAX INTERNAL RADIAL CLEARANCE,MINUS 65 DEG TO PLUS 165 DEG F OPERATING TEMP
STYLE DESIGNATORCONCAVE ROLLER, DOUBLE CLOSURE, SELF ALIGNING
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 1,CL 2 FED SPEC SINGLE TREATMENT RESPONSE ALL EXTERNAL/EXPOSED METAL SURFACES
SURFACE TREATMENTCADMIUM ALL EXTERNAL/EXPOSED METAL SURFACES


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