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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 load ratings, denoted as C (dynamic) and Co (static), represent the maximum load a bearing can withstand in a radial direction. The higher these values, the more robust the bearing, suitable for heavy-duty applications. Engineers often consider the expected load and service life when choosing the appropriate rating Engineers often consider the expected load and service life when choosing the appropriate rating Engineers often consider the expected load and service life when choosing the appropriate rating Engineers often consider the expected load and service life when choosing the appropriate ratingspherical roller bearing size chart.