3110-01-211-7519 BEARING,ROLLER,ROD END Index 3110-01-211-7521 BEARING,BALL,DUPLEX

National Stock Number:
3110-01-211-7520

Federal Supply Class:
3110

National Item Identification Number:
012117520

Description:
BEARING,BALL,DUPLEX

Detail:
Two single row annular ball bearings selected dimensionally to be a matched pair or set. The ring faces have been specially ground to specified offsets that will produce predetermined preload when mounted. May include a single row angular contact bearing with faces specially ground for duplex mounting.


Manufacturer Information:
639AS6522-2 A-B30003NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER
639AS6561-2 A-B30003NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER
639AS6564-2 A-B40920MPB CORP
E998-804-2 A-B40920MPB CORP
E998-808-1 A-B40920MPB CORP
SR40405B311A-2 A-B83086NEW HAMPSHIRE BALL BEARINGS INC
SR40415B30-2 A-B83086NEW HAMPSHIRE BALL BEARINGS INC


Techincal Specification:
BEARING PRELOAD RATING1.75 POUNDS MINIMUM AND 2.25 POUNDS MAXIMUM
BORE DIAMETER0.234351 INCHES MINIMUM AND 0.234400 INCHES MAXIMUM
CONTACT ANGLE5.0 DEGREES MINIMUM AND 25.0 DEGREES MAXIMUM
INTERNAL CLEARANCE0.0006 INCHES MINIMUM RADIAL AND 0.0008 INCHES MAXIMUM RADIAL
LOAD DIRECTIONANGULAR
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATION639AS3195 MFR REF SINGLE MATERIAL RESPONSE
LUBRICATION MATERIALGREASE
OVERALL OUTSIDE DIAMETER0.406101 INCHES MINIMUM AND 0.406150 INCHES MAXIMUM
OVERALL WIDTH0.2030 INCHES MINIMUM AND 0.2350 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763,COND A FED SPEC SINGLE MATERIAL RESPONSE BALL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763,COND A FED SPEC SINGLE MATERIAL RESPONSE OUTER RING
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763,COND A FED SPEC SINGLE MATERIAL RESPONSE INNER RING
MATERIALPLASTIC PHENOLIC RETAINER
MATERIALSTEEL COMP 440C BALL
MATERIALSTEEL COMP 440C INNER RING
MATERIALSTEEL COMP 440C OUTER RING
RETAINER FABRICATION METHODMACHINED
SPECIAL FEATURESCONSISTS OF ONE BEARING WITHOUT A FLANGE AND ONE BEARING WITH A FLANGE,FLANGE 0.4360 IN. MIN AND 0.4370 IN. MAX DIA,0.0220 IN. MIN AND 0.0230 IN. MAX W
SURFACE FINISHGROUND
SURFACE TREATMENTPASSIVATE BALL
SURFACE TREATMENTPASSIVATE INNER RING
SURFACE TREATMENTPASSIVATE OUTER RING


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