Pumps are essential hydraulic machines that play a crucial role in transferring liquids from one place to another. They are widely used in various industries, including water treatment plants, chemical processing facilities, oil and gas refineries, and many others.

Pumps can be categorized into different types based on their operating principles, including centrifugal, positive displacement, and axial flow pumps. Each type of pump requires specific types of bearing technology to ensure efficient and reliable operations.

For instance, centrifugal pumps rely on ball bearings, which provide high-speed rotation capabilities and reduce friction. On the other hand, positive displacement pumps require slide bearings or journal bearings, which offer excellent load-bearing capacity and can handle high pressure and high viscosity fluids. Axial flow pumps use thrust bearings, which are designed to withstand axial thrust loads and maintain the shaft's axial position.

Among all these bearing technologies, the most commonly used are ball bearings and journal bearings. They offer excellent load-bearing capacity, durability, and longevity, making them ideal for use in most pumps.