Pillow Block Bearings: The Ultimate Guide

Pillow block bearings consist of a housing and an insert bearing. The housing is typically made of cast iron or steel and is designed to provide support and alignment for the insert bearing. The insert bearing, also known as the rolling element, is typically made of steel and is designed to rotate with the shaft.

 

One of the main advantages of pillow block bearings is their ease of installation. They can be simply mounted onto a shaft and fastened in place, making them a convenient option for many applications. Additionally, pillow block bearings offer excellent support and alignment for the shaft, helping to reduce wear and extend the life of the bearing.

 

Another advantage of pillow block bearings is their versatility. They can be used in both horizontal and vertical applications, and can support both radial and thrust loads. They are also available in a variety of materials, such as cast iron, steel, and stainless steel, to suit the specific requirements of different applications.

 

When choosing pillow block bearings, it is important to consider the specific requirements of your application, including the size and weight of the shaft, the type of load that will be placed on the bearing, and the operating environment.

 

There are several types of pillow block bearings available, each with their own unique set of features and benefits. These include:

• Split pillow block bearings: These bearings are designed with a split housing, which allows for easy installation and removal of the insert bearing. This makes them a convenient option for applications where the bearing needs to be frequently accessed or replaced.

• Flange pillow block bearings: These bearings have a flange on the bottom of the housing, which provides added support and stability. They are often used in applications where the shaft is subject to heavy loads or vibration.

• Take-up pillow block bearings: These bearings are typically used in conveyor systems, and have a special locking mechanism that allows for easy adjustment of the conveyor belt tension.

• Eccentric locking collar pillow block bearings: These bearings have a special collar that can be adjusted to provide a tighter fit on the shaft, which helps to reduce the risk of shaft movement or misalignment.

• Set screw pillow block bearings: These bearings are designed with set screws that can be tightened to provide a secure fit on the shaft. They are typically used in applications where the shaft is subject to heavy loads or vibration.

Pillow block bearings are commonly used in a variety of industrial and commercial applications, including:

• Conveyor systems: Pillow block bearings are often used in conveyor systems, and can be found in various components such as pulleys, rollers, and take-up units.

• Pumps: Pillow block bearings are used in pumps to support the shaft and help ensure smooth operation.

• Fans: Pillow block bearings are used in fans to support the shaft and help ensure smooth operation.

• Power transmissions: Pillow block bearings are used in power transmissions to support the shaft and help ensure smooth operation.

• Agriculture equipment: Pillow block bearings are used in agriculture equipment to support the shafts in gearboxes, and PTOs.
  
  When choosing pillow block bearings, it is important to consider the specific requirements of your application, including the size and weight of the shaft, the type of load that will be placed on the bearing, and the operating environment.