Thrust Bearings

Frequently Asked Questions

Why Choose Quality Bearings for Thrust Bearings?

We pride ourselves on offering high-quality thrust bearings. With a vast inventory available for immediate dispatch, we provide fast and reliable global shipping to ensure you get the parts you need, when you need them. Our expert team is always on hand to offer technical support and guidance, helping you find the right solution for your application. Plus, with detailed product specifications and competitive pricing, we make it easy to source the perfect thrust bearing for your needs. Choose QBOL for exceptional customer service and industry expertise.

What is a thrust bearing and how does it work?

A thrust bearing is a rotary bearing designed specifically to support axial loads—forces that act along the shaft’s axis. It works by reducing friction between moving parts and ensuring smooth rotation under pressure. Thrust bearings are commonly used in applications including automotive gearboxes, turbines, and machine tool spindles where axial force is prominent.

What are the main types of thrust bearings?

The two primary types are ball thrust bearings, suitable for lighter loads and lower-speed applications, and roller thrust bearings, which can handle higher axial loads and are more robust. There are also single-direction thrust bearings that support load in one direction, and double-direction bearings that support load in both directions, often used in more complex assemblies.

When should I use a thrust bearing instead of a radial bearing?

Use a thrust bearing when your application involves primarily axial (push/pull) loads rather than radial (side-to-side) loads. Radial bearings are better for loads perpendicular to the shaft, whilst thrust bearings excel at managing forces that are aligned with the axis of the shaft. Selecting the correct type helps to ensure smoother operation and a longer service life.

Can thrust bearings handle radial loads as well?

Typically, no. Thrust bearings are designed to manage axial loads only and are not suitable for radial forces. Using them in an application with significant radial load can lead to premature wear or bearing failure. For combined load conditions, a bearing that supports both axial and radial loads (like an angular contact or tapered roller bearing) may be more appropriate.

How do I select the right thrust bearing for my application?

Consider factors such as load direction and size, rotational speed, available space, operating temperature, and lubrication requirements. It’s also important to account for environmental conditions like moisture or contaminants. Still unsure? At Quality Bearings Online our technical team can help assess your needs and recommend the most suitable type of thrust bearing.