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40mm (1.57") Diameter Ring Magnets

Large, 40mm (1.57") diameter neodymium, samarium cobalt and ceramic ring magnets used industrial applications.
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  • 40mm O.D x 25mm I.D x 5mm thick Neodymium Magnet - 20kg Pull
  • 40mm O.D x 25mm I.D x 5mm thick Samarium Cobalt Ring Magnet - 11.4kg Pull

These large ring magnets all measure 40mm (1.57") either in their outer diameter or inner diameter and are made from a range of magnetic materials. Below you will see ring magnets made from super-strength neodymium, high maximum temperature samarium cobalt and great value ceramic. Ring magnets are often used in motors, generators, audio equipment, conveyor systems and magnetic separation applications.