The outer spherical bearing UCT with sliding block seat is a bearing assembly composed of a bearing and a bearing seat with guide rail groove. Bearing pedestal T can be combined with UK, UEL and other components. There are two chutes at the top and bottom of the bearing pedestal, which can move back and forth on the frame. Therefore, it is most suitable for the occasion where the distance between shafts needs to be adjusted. The shaft can also move when the machine is running. UCT300 series bears more load than UCT200 series. This kind of spherical ball bearing with seat is mostly used on transmission shafts such as belts and chains.