3040-01-344-8301 EXTENSION SHAFT Index 3110-01-344-8303 BALL,BEARING

National Stock Number:
3110-01-344-8302

Federal Supply Class:
3110

National Item Identification Number:
013448302

Description:
BEARING,BALL,ANNULAR

Detail:
A cylindrical device in which the inner or outer ring turns upon a single or double row of hardened balls which roll easily between the two rings, thus minimizing friction. For items with faces specially ground for duplex mounting see BEARING, BALL, DUPLEX. Excludes BEARING, BALL, AIRFRAME.


Manufacturer Information:
M81793-BHFJAA2GEB51AB181349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
MATERIALSTEEL COMP 440C BALL
STEEL COMP 440C INNER RING
STEEL COMP 440C OUTER RING
STEEL COMP 440C RETAINER
PLASTIC POLYTETRAFLUOROETHYLENE AND
GLASS FIBER SEAL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE BALL
QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE INNER RING
QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OUTER RING
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 DESIGNATORNON-LOADING GROOVE, NON-SEPARABLE
OVERALL WIDTH0.1250 INCHES NOMINAL
BORE DIAMETER0.1875 INCHES NOMINAL
OVERALL OUTSIDE DIAMETER0.3125 INCHES NOMINAL
LUBRICATION MATERIALOIL
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATIONMIL-L-6085 MIL SPEC SINGLE MATERIAL RESPONSE
STANDARD TOLERANCE DESIGNATIONABEC NO. 5P
BORE SHAPESTRAIGHT
SURFACE FINISHGROUND
RETAINER FABRICATION METHODPRESSED
SEAL QUANTITY2
BEARING SEAL TYPECONTACT
ALIGNMENT TYPERIGID
LOAD DIRECTIONRADIAL
INTERNAL CLEARANCE0.0002 INCHES MINIMUM RADIAL AND
0.0004 INCHES MAXIMUM RADIAL
SPECIFICATION/STANDARD DATA81349-MIL-B-81793 GOVERNMENT SPECIFICATION
SPEC/STD CONTROLLING DATA
MANUFACTURERS CODE81349
DEFINITIVE GOVERNMENT SPEC/STD REFERENCEM81793-BHFJAA2GEB51AB1


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