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Bearing steel is a high-carbon alloy steel specifically designed for the manufacture of bearings. It is characterized by its high hardness, wear resistance, and ability to withstand high loads. Typically, bearing steel is made from a combination of iron, carbon, and other alloying elements such as chromium, manganese, and nickel to enhance its properties. This type of steel is commonly used in applications where durability and precision are critical, such as in automotive, aerospace, and machinery components.
| Material Composition | High-carbon alloy steel with chromium and manganese |
| Hardness | Typically 58-66 HRC |
| Standard Sizes | Varies by application, commonly available in bars and sheets |
| Tensile Strength | Approximately 1,200-2,000 MPa |
| Applications | Bearings, gears, and other precision components |
When selecting bearing steel, consider the specific application requirements such as load capacity, operating environment, and desired lifespan. Specify the grade of steel, as different grades offer varying levels of hardness and wear resistance. Additionally, inquire about tolerances and any necessary certifications for quality assurance. Quantities should also be clearly defined to ensure proper supply chain management.
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Common grades include AISI 52100, 440C, and 8620.
Bearing steel typically has a hardness range of 58-66 HRC.
Yes, heat treatment is often used to enhance hardness and wear resistance.
It is used in bearings, gears, and various precision components.
Specify the grade, size, tolerances, and quantity required.
Certain grades, like stainless bearing steel, offer good corrosion resistance.