3110-00-143-3017, BEARING,ROLLER,AIRFRAME

3110-00-143-3016 BEARING,ROLLER,AIRFRAME

3110-00-143-3018 BEARING,ROLLER,AIRFRAME

National Stock Number:
3110-00-143-3017

Federal Supply Class:
3110

National Item Identification Number:
001433017

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:

A4	77896	REXNORD INDUSTRIES, LLC
DAS4-20A	77896	REXNORD INDUSTRIES, LLC
DAS4-20A	F7527	I.S.O. ROULEMENTS
DAS4-20AQ	77896	REXNORD INDUSTRIES, LLC

Techincal Specification:

BEARING SEAL TYPE	CONTACT
BORE DIAMETER	0.2500 INCHES NOMINAL
INNER RING WIDTH	1.0000 INCHES NOMINAL
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	1.2500 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 6382 ASSN STD SINGLE MATERIAL RESPONSE SLEEVE
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 6382 ASSN STD SINGLE MATERIAL RESPONSE LOCKING COLLAR
MATERIAL DOCUMENT AND CLASSIFICATION	IL-S-7420 MIL SPEC SINGLE MATERIAL RESPONSE INNER RING
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-S-7420 MIL SPEC SINGLE MATERIAL RESPONSE OUTER RING
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-S-7420 MIL SPEC SINGLE MATERIAL RESPONSE SHAFT
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 INNER RING
MATERIAL	STEEL COMP E52100 OUTER RING
MATERIAL	STEEL COMP E52100 SHAFT
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,LUBRICANT HOLES AND GROOVE IN OUTER RING
RETAINER FABRICATION METHOD	CAST
SEAL QUANTITY	2
STYLE DESIGNATOR	CONCAVE ROLLERS, DOUBLE CLOSURE, SELF ALIGNING
SURFACE TREATMENT	CADMIUM ALL EXTERNAL/EXPOSED METAL SURFACES

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