3110-00-987-3745 BEARING,BALL,ANNULAR Index 4920-00-987-3751 FIXTURE,AIRCRAFT MAINTENANCE

National Stock Number:
3110-00-987-3747

Federal Supply Class:
3110

National Item Identification Number:
009873747

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:
320SFNT338443SKF USA INC.
6320ZE10053035NSK CORP BEARING DIV
7620-707724617GENERAL MOTORS CORP
7620S7077HA443334GENERAL MOTORS CORP DELCO MORAINE NDH DIV
6320ZW1B52676SKF USA INC.
999999K17080064NAVAL SHIP SYSTEMS COMMAND
MIL-B-17931NT03950NAVAL INVENTORY CONTROL POINT MECHANICSBURG
MIL-B-1793181349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
CRITICALITY CODE JUSTIFICATIONZZZW
DEPARTURE FROM CITED DOCUMENTQUIET OPERATION TESTED FOR SUBMARINE USE
BORE DIAMETER3.9367 INCHES MINIMUM AND 3.9370 INCHES MAXIMUM
INTERNAL FIT-UP DESIGNATIONTIGHT
RETAINER FABRICATION METHODPRESSED
LUBRICATION MATERIALGREASE
MATERIALSTEEL OVERALL
NONDEFINITIVE SPEC/STD DATA111 TYPE AND 2 CLASS
SHIELD QUANTITY1
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATIONMIL-G-18709 MIL SPEC SINGLE MATERIAL RESPONSE
INTERNAL CLEARANCE0.0009 INCHES MINIMUM RADIAL AND 0.0014 INCHES MAXIMUM RADIAL
BORE SHAPESTRAIGHT
OVERALL OUTSIDE DIAMETER8.4643 INCHES MINIMUM AND 8.4646 INCHES MAXIMUM
STYLE DESIGNATORNON-LOADING GROOVE, NON-SEPARABLE
OVERALL WIDTH1.8484 INCHES MINIMUM AND 1.8504 INCHES MAXIMUM
SURFACE FINISHGROUND
LOAD DIRECTIONRADIAL


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