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Pillow Block and Insert Bearings

Pillow Block And Insert Bearings

Pillow Block and Insert Bearings

Insert spherical seated bearings, also called outer spherical bearings, are a bearing product widely used in mechanical transmission systems. Inner spherical bearings usually consist of outer spherical bearing seat (shell), spherical bearing (inner ring) and bearing seals. Its design is suitable for working in high-speed operation and high-load conditions, and has self-adjusting and self-correcting functions.


    Outer spherical bearings can maintain normal operation even if the shaft and seat are misaligned, so they are widely used in various industrial machinery and equipment, such as agricultural machinery, excavators, wind turbines, etc. Its sealed structure makes it suitable for use in humid, dusty and polluted working environments. 

    Outer spherical bearings also have the characteristics of easy installation and adjustment and reliable use. Outer spherical bearings can be selected in different sizes, sealing forms and materials according to different usage requirements and working environments. When selecting an outer spherical bearing, it is necessary to make a reasonable selection based on factors such as workload, rotation speed, operating temperature, etc. to ensure its performance and service life.

    Product Drawing

    Pillow Block and Insert Bearings1bee
    Pillow Block and Insert Bearings22id

    Spherical insert bearings usually have the following characteristics

    ● Self-centering ability
    The design of spherical insert bearings can allow the shaft to deflect and tilt to a certain extent within the bearing, thereby enabling self-centering. This makes spherical insert housed bearings easier to install and operate. 

    ● Load carrying capacity
    Insert spherical housed bearings are usually able to withstand high radial loads and small amounts of axial loads. This allows them to provide reliable support in a variety of applications. 

    ● Sealing performance
    Spherical outer seated bearings are usually equipped with seals or dust covers, which can effectively prevent dust and impurities from entering the inside of the bearing, thus extending the service life of the bearing.

    ● Corrosion resistance
    Some outer spherical seated bearings can be made of corrosion-resistant materials and are suitable for use in humid or corrosive environments.

    ● Contact angle adjustment
    The contact angle of the outer spherical seated bearing can be adjusted by adjusting the position of the seat ring to better adapt to the load conditions under different working conditions. 

    These characteristics make spherical insert bearings widely used in industrial equipment, agricultural machinery, transportation equipment and other fields.