High Temperature Bearings are specialized rolling bearings designed to operate reliably in environments where temperatures exceed the capabilities of standard bearings. These bearings are engineered to maintain their mechanical properties and lubrication even at elevated temperatures, ensuring smooth and continuous operation in demanding applications.

Working Principle

The working principle of High Temperature Bearings is based on the use of materials and designs that can withstand high temperatures without compromising performance. These bearings typically incorporate high-temperature resistant materials such as high-chromium steel, nickel-chromium alloys, or ceramic materials. The rolling elements and raceways are precision-machined to ensure smooth rolling contact, while special lubricants or lubrication systems are employed to maintain lubrication at high temperatures.

Product Characteristics

High Temperature Bearings are characterized by their ability to operate reliably at temperatures ranging from 150°C to 800°C or even higher, depending on the specific bearing type and material. They are designed to maintain dimensional stability, hardness, and wear resistance at elevated temperatures. Many models also incorporate advanced lubrication systems to ensure continuous lubrication and reduce friction. Additionally, these bearings are often equipped with special seals and shields to prevent contamination and extend service life.

Product Brands

Several leading brands offer High Temperature Bearings, each with its own range of products and technologies. SKF, for example, offers a comprehensive range of high-temperature bearings for various applications, including those in the steel, cement, and glass industries. NSK and FAG, two other industry leaders, also provide high-temperature bearings with advanced materials and designs to meet the demands of harsh operating environments. Timken specializes in high-temperature cylindrical roller bearings and tapered roller bearings for critical applications.

Industry Applications

High Temperature Bearings are widely used in industries where high temperatures are a common operating condition. In the steel industry, they support rolling mills and other heavy-duty equipment. Cement plants rely on high-temperature bearings for kilns and mills. The glass industry uses these bearings in furnaces and annealing lehrs. Additionally, high-temperature bearings are found in power generation, aerospace, and automotive applications where extreme heat and mechanical loads are present. The versatility and reliability of High Temperature Bearings make them essential components in countless industrial applications, ensuring smooth and efficient operation even under the most demanding conditions.

high temperature bearings and bearing units are designed to deliver increased reliability, reduced complexity and decreased environmental impact in operating temperatures up to 350 °C (660 °F), making these products very suitable for applications in kiln trucks, roller hearth furnaces, and bakeries. Because high temperature bearings correspond to the ISO dimensions of grease-lubricated bearings, production efficiencies and cost savings can be realized with a simple change to the bearing solution.

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