High-temperature self-lubricating bearing is a kind of self-lubricating stainless steel dust-proof double-sealed rolling bearing with a temperature resistance of 300 degrees, low speed, heavy load and full complement of balls. The size ranges from 1 mm in diameter to 5 meters in outer diameter.

The so-called high-temperature self-lubricating bearing is a bearing that realizes high-temperature lubrication by relying on special components inside the FAG bearing itself without relying on the external lubricating grease.

High-temperature self-lubricating materials must have the physical and chemical properties that do not change in high-temperature environments, have thermal lubrication, and do not "evaporate" in high-temperature environments. Solids are ideal. Graphite is the most common one that can take on its important responsibilities. Graphite is characterized by simple manufacturing process, high temperature resistance and corrosion resistance, stable physical and chemical properties in high temperature environments, low cost, and good lubricating effect.

There is another process to realize the bearing self-lubrication, which is to treat the relative sliding surface of the bearing, which is the purpose of achieving oil-free and self-lubricating on the relative moving surface of the bearing. This process can also make the bearing work in an oil-free state for a long time, and the lubrication effect is good. It has a long life and is suitable for high-speed operation, but this process is more complicated and costly. It is generally used in important machinery, military, aerospace and other industries.