3110-00-501-9925, BEARING,ROLLER,AIRFRAME

National Stock Number:
3110-00-501-9925

Federal Supply Class:
3110

National Item Identification Number:
005019925

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:

DAS5-20C

77896

REXNORD INDUSTRIES, LLC

Techincal Specification:

BEARING SEAL TYPE	CONTACT
BORE DIAMETER	0.3125 INCHES NOMINAL
INNER RING WIDTH	1.1250 INCHES NOMINAL
LUBRICATION MATERIAL	GREASE
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATION	MIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE
MATERIAL DOCUMENT AND CLASSIFICATION	66 FED STD SINGLE MATERIAL RESPONSE INNER RING
MATERIAL DOCUMENT AND CLASSIFICATION	66 FED STD SINGLE MATERIAL RESPONSE ROLLER
MATERIAL DOCUMENT AND CLASSIFICATION	66 FED STD SINGLE MATERIAL RESPONSE OUTER RING
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-C-390 FED SPEC SINGLE MATERIAL RESPONSE RETAINER
MATERIAL	COPPER ALLOY RETAINER
MATERIAL	PLASTIC POLYTETRAFLUOROETHYLENE SEAL
MATERIAL	STEEL COMP E52100 OUTER RING
MATERIAL	STEEL COMP E52100 ROLLER
MATERIAL	STEEL COMP E52100 INNER RING
MATERIAL	STEEL CORROSION RESISTING SHIELD
MATERIAL	STEEL LOCKING COLLAR
MATERIAL	STEEL SLEEVE
OUTER RING WIDTH	0.7500 INCHES NOMINAL
OVERALL OUTSIDE DIAMETER	1.2500 INCHES NOMINAL
SPECIAL FEATURES	8 DEG SELF ALIGNMENT IN EITHER DIRECTION,OIL HOLE AND LUBRICATION GROOVE ON OUTER RING
RETAINER FABRICATION METHOD	MACHINED
SEAL QUANTITY	2
SHIELD QUANTITY	2
STANDARD TOLERANCE DESIGNATION	RBEC NO.1
STYLE DESIGNATOR	CONCAVE ROLLERS, DOUBLE CLOSURE, SELF ALIGNING
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416,TY 1,CL 2 FED SPEC SINGLE TREATMENT RESPONSE ALL EXTERNAL/EXPOSED METAL SURFACES
SURFACE TREATMENT	CADMIUM ALL EXTERNAL/EXPOSED METAL SURFACES

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