This is a ring magnet with oval hole, the material is injection molded ferrite, belongs to molded magnet, the outer diameter of the ring is 12mm, the thickness is 4mm, radial 1 pair of poles (2 poles) magnetization, the surface magnetic strength is more than 1000 gauss, suitable for supporting the magnetic encoding chip, hall sensor, etc. Welcome to consult the price or customize the size and number of poles you need.
Matching magnets for magnetic encoder chips
Associated radial 2-pole magnetic rings;
Radial 2 pole ring ferrite magnet rotor 16mm x 5.2mm x 3mm