What is high temperature bearing? High temperature bearings are specially designed bearings that can operate effectively in elevated temperature environments, typically over 150°C (302°F) and sometimes up to 300°C (572°F) or higher. These bearings are engineered to withstand the thermal stress, lubrication challenges, and material degradation that occur at high temperatures. Key Features of High Temperature Bearings: 1. Material Composition: High-temperature bearings are often made from specialized materials such as ceramics, high-temperature alloys, or polymers that can withstand thermal expansion and maintain their mechanical properties at elevated temperatures. 2. Lubrication: Standard lubricants may break down at high temperatures, so high-temperature bearings often use specialized lubricants that remain stable and effective under extreme conditions. Solid lubricants, such as graphite or certain types of ceramic-based lubricants, can also be used. 3. Design: These bearings may have modified designs, including seals and coatings that help retain lubrication and reduce wear and tear. 4. Applications: High-temperature bearings are commonly used in environments such as steel mills, ceramic processing, high-temperature ovens, aerospace applications, and various industrial machinery where elevated temperatures are present. 5. Thermal Conductivity: