MULTIROW AXIAL BEARING OF DOWNHOLE MOTOR VERTICAL SHAFT

摘要

FIELD: axial bearings for downhole hydraulic motors applicable in well drilling. SUBSTANCE: axial bearing includes body, vertical multidiameter shaft whose steps carries rings with rolling thrust bearings located between said rings. Body accommodates concentrically arranged cylindrical bushings whose one ends lean against rings, and the other, against flexible member located in thrust bearing installed in body. EFFECT: simplified design with preserved functional properties. 1 dwg