A carbon thrust bearing, also known as a carbon thrust pad or carbon thrust washer, is a specialized bearing component designed to support axial loads in rotating machinery such as pumps, turbines, and gearboxes. It ensures smooth operation by reducing friction between rotating and stationary parts, helping prevent excessive wear and mechanical failure. These bearings are widely used in high-speed, high-temperature, and corrosive environments, offering long-lasting and reliable axial support.

Carbon thrust bearings are typically composed of carbon fibres, graphite particles, and high-strength binders, forming a solid, heat-resistant structure. The bearing features a self-lubricating surface, which allows it to handle thrust loads with minimal friction. As axial forces act on the rotating shaft, the carbon thrust pad absorbs the load while enabling smooth, low-wear sliding contact. This makes it ideal for demanding applications that require maintenance-free, high-performance thrust support.