ROLLER SUPPORTING DEVICE OF ROLLING EQUIPMENT

摘要

PURPOSE: A roller supporting device is provided to promote the lengthening of the life span of a bearing and to easily mend and examine. CONSTITUTION: The cone ball bearing has:a pair of inner wheels having an orbit face of two rows; a pair of outer wheels having an orbit face of a singular row; a n outer wheel having an orbit face of two rows; a four-row cone ball placed to make the rotation free between the orbit faces of the inner and the outer wheels; a keeping instrument for having the cone ball keep a certain interval of a circumference.