5331-01-420-4728 O-RING Index 6540-01-420-4731 LENS BLANK,OPHTHALMIC,BIFOCAL,SE

National Stock Number:
3110-01-420-4729

Federal Supply Class:
3110

National Item Identification Number:
014204729

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:
6310M/C352676SKF USA INC.
6310MA/P652676SKF USA INC.
987671871ALFA LAVAL INC
98760071871ALFA LAVAL INC


Techincal Specification:
BORE DIAMETER50.0 MILLIMETERS NOMINAL
BORE SHAPESTRAIGHT
INTERNAL FIT-UP DESIGNATIONSTANDARD
LOAD DIRECTIONRADIAL
MATERIALSTEEL OVERALL
OVERALL OUTSIDE DIAMETER110.0 MILLIMETERS NOMINAL
OVERALL WIDTH27.0 MILLIMETERS NOMINAL
SPECIAL FEATURESLUBE MASTER LUBRICANT M-31
STANDARD TOLERANCE DESIGNATIONABEC NO.3
STYLE DESIGNATORNON-LOADING GROOVE, NON-SEPARABLE
SURFACE FINISHGROUND


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