This is a radial 4-pole injection molded rotor magnetic ring made of injection molded ferrite, provided by a Chinese manufacturer of courage magnets. The outer diameter of the magnetic ring is 26.75mm, the inner hole is 15.1mm (the deepest point is 18.9mm), and the height is 26.6mm. It is magnetized through the outer diameter, and the surface magnetic strength is around 1450 Gauss. It has a beautiful appearance and is mainly used in various permanent magnet DC motors, synchronous motors, induction motors, automotive motors, and reduction motors.
Motor 4 pole magnet rotor ring 26.75x15.1x26.6mm sample picture;
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