3110-00-052-0812 BEARING,BALL,AIRFRAME Index 4820-00-052-0814 VALVE,BALL

National Stock Number:
3110-00-052-0813

Federal Supply Class:
3110

National Item Identification Number:
000520813

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:
1911S40138443SKF USA INC.
6911VAE52676SKF USA INC.
HDB011-278118MPB CORPORATION
PM9311KMBRE717921335TIMKEN CO
SB1063-278286SIKORSKY AIRCRAFT CORPORATION


Techincal Specification:
BORE DIAMETER55.00 MILLIMETERS NOMINAL
BORE SHAPESTRAIGHT
INTERNAL CLEARANCE0.0009 INCHES MINIMUM RADIAL AND 0.0017 INCHES MAXIMUM RADIAL
LOAD DIRECTIONRADIAL
OVERALL OUTSIDE DIAMETER80.00 MILLIMETERS NOMINAL
OVERALL WIDTH13.00 MILLIMETERS NOMINAL
MATERIALCOPPER ALLOY RETAINER
MATERIALSTEEL BALL
MATERIALSTEEL INNER RING
MATERIALSTEEL OUTER RING
RETAINER FABRICATION METHODMACHINED
STANDARD TOLERANCE DESIGNATIONABEC NO.3
STYLE DESIGNATORNON-LOADING GROOVE, NON-SEPARABLE
SURFACE FINISHGROUND


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