Bearing assembly for round table and round table equipment

摘要

PROBLEM TO BE SOLVED: To provide a bearing structure of a circular table device which has good assembly efficiency and can eliminate rattling and vibration of a circular table. SOLUTION: A bearing assembly 20 for a circular table includes a circular table member 11 having a flange portion 13 provided on the front surface side and a shaft portion 12 projecting to the back surface side, an annular outer race 41 through which the shaft portion 12 is passed, and an annular outer race 41. A flange-shaped lid member 21 detachably fixed to the back surface side of the shaft portion 12, a hollow rolling element 45 of the first thrust bearing provided between the flange portion 13 and the outer race 41, and the outer race 41 and the lid member 21. A solid rolling element 46 of the second thrust bearing provided between the shaft portion 12 and a radial rolling element 47 of the radial bearing provided between the shaft portion 12 and the outer race 41 are provided. [Selection diagram] Fig. 2