What type of bearing is typically utilized in petroleum pumps?

Sleeve bearings are commonly used in petroleum pumps due to their ability to handle high loads and low-speed applications effectively. They consist of a cylindrical sleeve that supports the shaft, allowing for smooth operation and reducing friction. This type of bearing provides a large surface area, which helps to distribute the load evenly and ensures durability in the demanding environments encountered in petroleum applications.

In a petroleum pumping system, factors such as viscosity and the presence of liquids are crucial. Sleeve bearings are well-suited to these conditions, as they can accommodate variations in lubricant and provide consistent performance over time. Their simplicity and ability to be easily replaced also make them a favorable choice in maintenance scenarios, where minimizing downtime is essential.

While other bearings like ball bearings, roller bearings, and needle bearings may be effective in various applications, they aren't as commonly used in high-load, low-speed scenarios typical of petroleum pumps as sleeve bearings are.