Product name: Radial 8 pole inner diameter magnetized ring NdFeb magnet
Specifications: Outer diameter 50mm, inner diameter 44mm, height 20mm
Appearance Color: Black
Coating: black epoxy
Magnet material: bonded NdFeb
Number of magnetic poles: 8
Strong magnetic surface: inside diameter of magnetic ring
Application: permanent magnet brushless DC motor
Magnetic field intensity: about 2020 Gauss
Features: Strong magnetism, precision tolerance, high cost performance.
Our company is a supplier of motor magnet in China. For this kind of multi-pole ring magnets (NdFeb ferrite), we have more ready-made molds, which can save the cost of magnet mold opening for you. If your company needs this kind of magnet, you can contact our company to provide you with sample testing and quotation.
8-pole magnetized ring neodymium magnet D50x44x20mm physical sample;

Check out the Multipole Bonded Neodymium Magnet column for more sample pictures.
Ferrite grade, sintered ferrite magnetic property parameter table
NdFeB magnet grade, Sintered neodymium magnet performance grade parameter table
Neodymium(Ndfeb) Magnet Material Safety Data Sheet
Sintered Ferrite Material Safety Data Sheet Pdf
Magnetic properties grade parameters of smco rare earth magnets
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