3110-01-087-8857, BEARING,ROLLER,AIRFRAME

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:

3110PL1938696	9009H	INSPEKTORAT WSPARCIA SIL ZBROJNYCH
58260-42	77896	REXNORD INDUSTRIES, LLC
SA4-12A1-503	77896	REXNORD INDUSTRIES, LLC
SA4-12A1-504	77896	REXNORD INDUSTRIES, LLC

Techincal Specification:

MATERIAL	STEEL COMP E52100 INNER RING
	STEEL COMP E52100 OUTER RING
	STEEL RETAINER
	STEEL COMP E52100 ROLLER
	PLASTIC POLYTETRAFLUOROETHYLENE SEAL
	STEEL COMP 430 SHIELD
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-S-7420 MIL SPEC SINGLE MATERIAL RESPONSE INNER RING
	MIL-S-7420 MIL SPEC SINGLE MATERIAL RESPONSE OUTER RING
	MIL-S-7420 MIL SPEC SINGLE MATERIAL RESPONSE ROLLER
	QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE SHIELD
STYLE DESIGNATOR	CONCAVE ROLLER, DOUBLE CLOSURE, SELF ALIGNING
BORE DIAMETER	0.2495 INCHES MINIMUM AND
	0.2501 INCHES MAXIMUM
OVERALL OUTSIDE DIAMETER	0.7492 INCHES MINIMUM AND
	0.7503 INCHES MAXIMUM
OUTER RING WIDTH	0.2450 INCHES MINIMUM AND
	0.2500 INCHES MAXIMUM
INNER RING WIDTH	0.3080 INCHES MINIMUM AND
	0.3130 INCHES MAXIMUM
SURFACE TREATMENT	CADMIUM ALL EXTERNAL/EXPOSED METAL SURFACES
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416,TY 1,CL 2 FED SPEC SINGLE TREATMENT RESPONSE ALL EXTERNAL/EXPOSED METAL SURFACES
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATION	MIL-G-81322 MIL SPEC SINGLE MATERIAL RESPONSE
RETAINER FABRICATION METHOD	PRESSED
SHIELD QUANTITY	2
SEAL QUANTITY	2
BEARING SEAL TYPE	CONTACT
SPECIAL FEATURES	5 DEG SELF ALIGNMENT EITHER DIRECTION,0.0002 MIN 0.0010 MAX INTERNAL RADIAL CLEARANCE,MINUS 65 DEG TO PLUS 165 DEG F OPERATING TEMP
LUBRICATION MATERIAL	GREASE

Click here to Register for Free 30-day Trial