3110-01-333-2884 BEARING,BALL,ANNULAR Index 3120-01-333-2886 BUSHING,SLEEVE

National Stock Number:
3110-01-333-2885

Federal Supply Class:
3110

National Item Identification Number:
013332885

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:
1758106144INDUSTRIAL TECTONICS BEARINGS CORPORATION
717801762-00304939LOCKHEED MARTIN CORPORATION
717801762-00306144INDUSTRIAL TECTONICS BEARINGS CORPORATION
717801762-00332828KAYDON CORPORATION


Techincal Specification:
MATERIALSTEEL COMP 440C BALL
STEEL COMP 440C INNER RING
STEEL COMP 440C OUTER RING
PLASTIC POLYAMIDE RETAINER
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763,COND A FED SPEC SINGLE MATERIAL RESPONSE BALL
QQ-S-763,COND A FED SPEC SINGLE MATERIAL RESPONSE INNER RING
QQ-S-763,COND A FED SPEC SINGLE MATERIAL RESPONSE OUTER RING
MIL-R-46198,TYPE 1 MIL SPEC SINGLE MATERIAL RESPONSE RETAINER
SURFACE TREATMENTPASSIVATE BALL
PASSIVATE INNER RING
PASSIVATE OUTER RING
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONASTM A380 ASSN STD SINGLE TREATMENT RESPONSE BALL
ASTM A380 ASSN STD SINGLE TREATMENT RESPONSE INNER RING
ASTM A380 ASSN STD SINGLE TREATMENT RESPONSE OUTER RING
STYLE DESIGNATORCOUNTERBORED OUTER RINGS, NON-SEPARABLE, BACK TO BACK MOUNTING
OVERALL WIDTH0.7100 INCHES MINIMUM AND
0.7500 INCHES MAXIMUM
BORE DIAMETER11.9994 INCHES MINIMUM AND
12.0000 INCHES MAXIMUM
OVERALL OUTSIDE DIAMETER12.7494 INCHES MINIMUM AND
12.7500 INCHES MAXIMUM
LUBRICATION MATERIALOIL
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATION717806000,CAGEC 04939 MFR REF SINGLE MATERIAL RESPONSE
SURFACE FINISHGROUND
RETAINER FABRICATION METHODMACHINED
LOAD DIRECTIONANGULAR
BEARING PRELOAD RATING475.0 POUNDS MINIMUM AND
525.0 POUNDS MAXIMUM
CONTACT ANGLE30.0 DEGREES NOMINAL
SPECIAL FEATURESEACH BEARING SHALL BE LUBRICATED WITH 9 DROPS MIN,11 DROPS MAX OF SPECIFIED LUBE EVENLY DISTRIBUTED AROUND CIRCUMFERENCE


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