Ball bearings are mechanical components used to reduce friction between two surfaces that are in relative motion. They are commonly used in machines to support rotating shafts and axles, and to facilitate smooth and efficient movement of machine parts. Ball bearings consist of an inner and outer ring, with a set of steel balls sandwiched between them. The balls are held in place by a cage, which also helps to maintain their relative positions. The design of ball bearings allows them to withstand both radial and axial loads, making them versatile components in many types of machinery. They are also known for their durability, which is attributed to the high-quality materials used in their construction. The steel balls are typically made from high-carbon chrome alloy steel, which is hardened and polished to ensure a smooth surface finish. The rings are also made from high-quality steel, which is heat-treated to enhance their strength and durability. Ball bearings come in a variety of sizes and designs, depending on the specific application. Some common types of ball bearings include deep groove ball bearings, angular contact ball bearings, and thrust ball bearings. Deep groove ball bearings are the most commonly used type of ball bearing, and are suitable for moderate radial and axial loads. Angular contact ball bearings are designed to withstand higher axial loads, while thrust ball bearings are used to support axial loads in one direction. In summary, ball bearings are essential components in many types of machinery, providing smooth and efficient movement while reducing friction and wear. Their versatility, durability, and high-quality construction make them a popular choice for engineers and manufacturers across a wide range of industries.
machinery, friction, steel balls, radial loads, axial loads
CITATION : "John Taylor. 'Ball Bearings For Machines.' Design+Encyclopedia. https://design-encyclopedia.com/?E=363986 (Accessed on August 02, 2025)"
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