Pillow blcok bearing is a kind of bearing unit that combines rolling bearing and bearing seat. Most of the Pillow blcok bearings use the outer diameter as a spherical surface, and are installed together with an imported bearing seat with a spherical inner hole. The structure is diverse, and the versatility and interchangeability are good.
At the same time, this type of bearing also has a certain self-alignment in design, and it is easy to install a sealing device with a double structure, which can work in harsh environments. The bearing seat is generally formed by casting. Commonly used seats are vertical seat (P), square seat (F), boss square seat (FS), boss circular seat (FC), diamond seat (FL), T-shaped seat (T) seat, etc.