3110-00-293-8276 BALL,BEARING Index 7025-00-293-8281 CORE MEMORY UNIT

National Stock Number:
3110-00-293-8280

Federal Supply Class:
3110

National Item Identification Number:
002938280

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:
AP1131-181848ROYAL ELECTRIC INC


Techincal Specification:
BEARING SEAL TYPECONTACT
BORE DIAMETER0.6690 INCHES MINIMUM AND 0.6693 INCHES MAXIMUM
BORE SHAPESTRAIGHT
INTERNAL CLEARANCE0.0008 INCHES MINIMUM RADIAL AND 0.0012 INCHES MAXIMUM RADIAL
INTERNAL FIT-UP DESIGNATIONLOOSE
LOAD DIRECTIONRADIAL
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATIONMIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE
LUBRICATION MATERIALGREASE
MATERIALRUBBER SYNTHETIC SEAL
MATERIALSTEEL BALL
MATERIALSTEEL INNER RING
MATERIALSTEEL OUTER RING
MATERIALSTEEL RETAINER
OVERALL OUTSIDE DIAMETER1.5740 INCHES MINIMUM AND 1.5748 INCHES MAXIMUM
OVERALL WIDTH0.4674 INCHES MINIMUM AND 0.4724 INCHES MAXIMUM
RETAINER FABRICATION METHODPRESSED
SEAL QUANTITY2
SPECIAL FEATURESSELECTED,CLASSIFIED AND TESTED BY THE ASSEMBLY AT HIS PLANT
STYLE DESIGNATORNON-LOADING GROOVE, NON-SEPARABLE
SURFACE FINISHGROUND


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