In the multi-pole magnetized ring magnets, 2N2S four-pole ring magnets are considered to be more, often used in DC motor rotor, such as water pump motors, etc., you are now browsing this is also a radial distribution of 4-pole ring magnets, outer diameter of 20mm, hole of 10.5mm or so, the height of 27mm, in stock, need to know the price or consult other different sizes, please give us a message.
OD 20mm x H 27mm radial distribution 4 poles rotor ring magnets sample photos
Magnets of different materials of the same size;
Injection molded magnetic rotors for silent pump motors 20x27mm