3110-00-871-0248, BEARING,ROLLER,AIRFRAME

National Stock Number:
3110-00-871-0248

Federal Supply Class:
3110

National Item Identification Number:
008710248

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:

BR6	77896	REXNORD INDUSTRIES, LLC
DAS6-23A	77896	REXNORD INDUSTRIES, LLC

Techincal Specification:

BEARING SEAL TYPE	CONTACT
BORE DIAMETER	0.3745 INCHES MINIMUM AND 0.3750 INCHES MAXIMUM
INNER RING WIDTH	0.9320 INCHES MINIMUM AND 0.9370 INCHES MAXIMUM
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATION	MIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE
LUBRICATION MATERIAL	GREASE
OUTER RING WIDTH	0.7500 INCHES NOMINAL
OVERALL OUTSIDE DIAMETER	1.4370 INCHES MINIMUM AND 1.4375 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 6382 ASSN STD SINGLE MATERIAL RESPONSE LOCKING COLLAR
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 6382 ASSN STD SINGLE MATERIAL RESPONSE SLEEVE
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-S-7420 FED SPEC SINGLE MATERIAL RESPONSE INNER RING
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-S-7420 FED SPEC SINGLE MATERIAL RESPONSE OUTER RING
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-S-7420 FED SPEC SINGLE MATERIAL RESPONSE ROLLER
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-C-390 FED SPEC SINGLE MATERIAL RESPONSE RETAINER
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE SHIELD
MATERIAL	COPPER ALLOY RETAINER
MATERIAL	RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEAL
MATERIAL	STEEL COMP E52100 OUTER RING
MATERIAL	STEEL COMP E52100 ROLLER
MATERIAL	STEEL COMP E52100 INNER RING
MATERIAL	STEEL COMP 4140 LOCKING COLLAR
MATERIAL	STEEL COMP 4140 SLEEVE
MATERIAL	STEEL COMP 430 SHIELD
SPECIAL FEATURES	10 DEG SELF-ALIGNMENT IN EITHER DIRECTION,LUB HOLES AND GROOVE IN OD OF OUTER RING,HEAT TREATED SLEEVE AND COLLARS IN INNER RING,RADIAL CLEARANCE 0.0006 IN. MIN,0.0014 IN. MAX
RETAINER FABRICATION METHOD	CAST
SEAL QUANTITY	2
STYLE DESIGNATOR	CONCAVE ROLLERS, DOUBLE CLOSURE, SELF ALIGNING

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