A pillow block bearing is a pedestal used to provide support for a rotating shaft with the help of compatible bearings and various accessories. The assembly consists of a mounting block which houses a bearing. The block is mounted to a foundation and a shaft is inserted allowing the inner part of the bearing / shaft to rotate. The inside of the bearing is typically 0.025 millimetres (0.001 in) larger diameter than the shaft to ensure a tight fit.set screws,locking collars , or set collars are commonly used to secure the shaft. Housing material for a pillow block is typically made of cast iron or cast steel.

Characteristics and classification:

This kind of bearing is also designed with a certain centrality, easy to install, with a double structure of sealing device, can work in harsh environment. The bearing seat is generally molded by casting.

Commonly used seat is vertical seat (P), square seat (F), boss square seat (FS), boss round seat (FC), diamond seat (FL), ring seat (C), slide block seat (T).

Main applications of pillow block bearing:

Suitable for applications requiring simple equipment and parts, such as agricultural machinery, transportation systems or construction machinery.