3020-01-070-3765 GEAR,SPUR Index 5985-01-070-3767 CIRCUMFERENTIAL

National Stock Number:
3110-01-070-3766

Federal Supply Class:
3110

National Item Identification Number:
010703766

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:
SM-A-949353-180063US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR


Techincal Specification:
BORE DIAMETER12.7500 INCHES NOMINAL
BORE SHAPESTRAIGHT
CONTACT ANGLE60.0 DEGREES NOMINAL
INTERNAL CLEARANCE0.0050 INCHES MAXIMUM RADIAL
LOAD DIRECTIONRADIAL
LUBRICATION MATERIALLUBRICANT
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATIONMIL-G-21164 MIL SPEC SINGLE MATERIAL RESPONSE
OVERALL OUTSIDE DIAMETER20.5000 INCHES NOMINAL
OVERALL WIDTH2.7500 INCHES NOMINAL
SPECIAL FEATURESBEARING CONTAINS INNER AND OUTER RING; FORTYSIX BALL BEARINGS,1.0000 IN. DIA FOR MTG PURPOSES; 20 THREADED HOLES 5/8-11-UNC-2B; 1.0000 IN. DEEP; EQUALLY SPACED ON 14.3750 IN. BOLT CIRCLE DIA
STORAGE TEMP RANGE-70.0 TO 160.0 FAHRENHEIT
STYLE DESIGNATOR4 POINT BALL CONTACT, SOLID INNER AND OUTER RINGS, NON-SEPARABLE
SURFACE FINISHUNGROUND


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