3110-01-287-2970 BEARING,BALL,DUPLEX Index 3110-01-287-2972 BEARING,BALL,DUPLEX

National Stock Number:
3110-01-287-2971

Federal Supply Class:
3110

National Item Identification Number:
012872971

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:
717801718-00104939LOCKHEED MARTIN CORPORATION
H56140920MPB CORP


Techincal Specification:
BEARING PRELOAD RATING1.75 POUNDS MINIMUM AND 2.25 POUNDS MAXIMUM
BORE DIAMETER0.1875 INCHES NOMINAL
LOAD DIRECTIONRADIAL
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATIONBRAYCO 815Z,CAGEC 04939 MFR REF SINGLE MATERIAL RESPONSE
OVERALL OUTSIDE DIAMETER0.3750 INCHES NOMINAL
OVERALL WIDTH0.2500 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5514,COND A ASSN STD SINGLE MATERIAL RESPONSE RETAINER
MATERIAL DOCUMENT AND CLASSIFICATIONAMS5516,CONDA ASSN STD 1ST MATERIAL RESPONSE OR AMS 5517 ASSN STD 2ND MATERIAL RESPONSE SHIELD
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
MATERIALOIL LUBRICATION
MATERIALSTEEL COMP 302 OR STEEL COMP 301 SHIELD
MATERIALSTEEL COMP 305 RETAINER
MATERIALSTEEL COMP 440C BALL
MATERIALSTEEL COMP 440C INNER RING
MATERIALSTEEL COMP 440C OUTER RING
SHIELD QUANTITY4
RETAINER FABRICATION METHODPRESSED
SPECIAL FEATURESEACH BEARING LUBRICATED WITH ONE DROP FROM NO. 26 HYPODERMIC NEEDLE WITH SPECIFIED LUBE
STANDARD TOLERANCE DESIGNATIONABEC NO. 5P
STYLE DESIGNATORNON-LOADING GROOVE, NON-SEPARABLE, TANDEM MOUNTING
SURFACE FINISHGROUND
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONASTM A380 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL


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