3110-01-213-8389 BALL,BEARING Index 3110-01-213-8391 BEARING,BALL,DUPLEX

National Stock Number:
3110-01-213-8390

Federal Supply Class:
3110

National Item Identification Number:
012138390

Description:
BALL,BEARING

Detail:
A homogenous spherical body, a series of which provides the rolling elements in a BEARING, BALL (as modified). The item is designed primarily to alleviate friction. It may have other usages such as the checking component in a ball-type check valve. Excludes BALL, CHECK; BALL, VALVE, PORTED.


Manufacturer Information:
ASTM F 221581346AMERICAN SOCIETY FOR TESTING AND MATERIALS
MS19060-100581346AMERICAN SOCIETY FOR TESTING AND MATERIALS
MS19060-100596906MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD ALL MATERIAL RESPONSES OVERALL
MATERIALSTEEL COMP 440B OR STEEL COMP 440C OVERALL
ROLLING ELEMENT DIAMETER0.0781 INCHES NOMINAL
SPECIAL FEATURESSURFACE HARDNESS RC55.0-62.0 FOR TYPE 440B AND RC58.0-65.0 FOR TYPE 440C
STANDARD TOLERANCE DESIGNATIONAFBMA STD TOLERANCE FOR BALLS, GRADE 10
STYLE DESIGNATORBALL


Click here to Register for Free 30-day Trial