insert bearing with housing (insert bearing with housing) is a bearing unit that combines a rolling bearing with a bearing seat. Most of the outer spherical bearings are made of spherical outer diameters, and are installed together with the inlet bearing seat with a spherical inner hole. The structure is diverse, and the versatility and interchangeability are good. At the same time, this kind of bearing also has a certain aligning in design, is easy to install, has a dual-structure sealing device, and can work in harsh environments. Bearing seat is generally cast molding. Common seats are vertical seat (P), square seat (F), convex square seat (FS), convex circular seat (FC), diamond seat (FL), ring seat (C), slide block seat (T) and so on.