4520-00-052-3112 VALVE,AIR VENTING,STEAM Index 5930-00-052-3121 SWITCH,TOGGLE

National Stock Number:
3110-00-052-3116

Federal Supply Class:
3110

National Item Identification Number:
000523116

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.


Techincal Specification:
LOAD DIRECTIONANGULAR
SELF-ALIGNMENT LOCATIONINTERNAL
LUBRICATION MATERIALLUBRICANT
FEATURES PROVIDEDALIGNING RING
BORE DIAMETER20.00 MILLIMETERS NOMINAL
CONTACT ANGLE25.0 DEGREES MAXIMUM
INTERNAL FIT-UP DESIGNATIONSTANDARD
RETAINER FABRICATION METHODPRESSED
ALIGNMENT TYPESELF-ALIGNING
SURFACE FINISHGROUND
MATERIALSTEEL OVERALL
STYLE DESIGNATORLOADING GROOVE, NON-SEPARABLE
INTERNAL FIT-UP CONTACT ANGULAR DIRECTIONOUTWARD CONVERGENT
OVERALL WIDTH20.6 MILLIMETERS NOMINAL
BORE SHAPESTRAIGHT
OVERALL OUTSIDE DIAMETER47.00 MILLIMETERS NOMINAL
STANDARD TOLERANCE DESIGNATIONABEC NO.1


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