A cone type crusher which has a crushing chamber constituted by a crushing head assembly and a conical cap ring securely fitted in a fixed frame, the crusher including an eccentric drive cylinder for supportng therein and driving a vertical main shaft of the head assembly for gyration. The eccentric drive cylinder is supported by bearings which are located in two vertically spaced positions to preclude frictional wear due to metallic contacts, and is vertically movable for the purpose of adjusting the exit clearance of the crushing chamber.