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Designing magnetic bearings involves several critical factors, including the choice of materials, the size and shape of the magnets, and the control system. The material selection is crucial as it affects the strength and efficiency of the magnetic field. Rare-earth magnets, such as neodymium iron，are commonly used due to their high magnetic energy density Rare-earth magnets, such as neodymium iron，are commonly used due to their high magnetic energy density Rare-earth magnets, such as neodymium iron，are commonly used due to their high magnetic energy density Rare-earth magnets, such as neodymium iron，are commonly used due to their high magnetic energy densitymagnetic bearings theory design and application to rotating machinery. The size and shape of the magnets must be carefully chosen to ensure optimal performance and stability. Additionally, the control system must be designed to accurately sense and control the rotor's position, ensuring stable operation.

The material composition of these bearings is also significant. Typically made from high-grade steel, they often incorporate anti-corrosive coatings to enhance durability Typically made from high-grade steel, they often incorporate anti-corrosive coatings to enhance durability Typically made from high-grade steel, they often incorporate anti-corrosive coatings to enhance durability Typically made from high-grade steel, they often incorporate anti-corrosive coatings to enhance durability55x90x23 bearing. Some advanced designs may utilize ceramic or composite materials for increased resistance to heat and wear, further improving performance in harsh environments.