Concept：

The outer spherical ball bearing is actually a variant of deep groove ball bearing,characterized by its outer ring outer diameter surface is spherical, which can be fitted into the corresponding concave spherical bearing seat to play a role of self-aligning.
The outer spherical bearing is mainly used to bear the combined radial and axial loads mainly in the radial load, generally no suitable to bear the axial load alone.
The outer spherical bearing with seat is a kind of bearing element which combines the rolling bearing with the bearing seat. Most of the outer spherical bearings are made of spherical outer diameter and installed together with the bearing seat with spherical inner hole. The structure is diverse, and the versatility and interchangeability are good.

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.

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Pillow Block Bearing, also known as plummer block bearing or housed bearing, is a type of bearing that is commonly used to provide support and alignment for rotating shafts in industrial applications. It consists of a housing (or block) and an insert bearing that is typically a ball or roller bearing.

The key feature of Pillow Block Bearing is its housing, which is designed to provide a secure and stable mounting for the bearing. The housing is usually made of cast iron, stainless steel, or thermoplastic material, and it has a flat base with holes for easy installation. The insert bearing is mounted inside the housing and secured with setscrews or other locking mechanisms.

Pillow Block Bearing is available in various sizes and configurations to accommodate different shaft diameters and load capacities. It is commonly used in conveyor systems, agricultural machinery, mining equipment, and other applications where reliable shaft support and alignment are required.

One of the advantages of Pillow Block Bearing is its versatility and ease of installation. The housing can be easily mounted on a flat surface or attached to a bracket, providing flexibility in design and assembly. Additionally, Pillow Block Bearing often comes with built-in lubrication features, such as grease fittings or oil holes, to ensure smooth operation and extended bearing life.

In summary, Pillow Block Bearing is a versatile and reliable bearing used in various industrial applications. Its housing provides secure mounting and alignment for the insert bearing, allowing for smooth rotation and support of rotating shafts. With its ease of installation and maintenance, this type of bearing is a popular choice for applications that require reliable shaft support and alignment.