The sample is a ring magnet with notch groove, is made of sintered ferrite. The specific size is 30mm in outer diameter, 12mm in inner diameter, 5mm in thickness, the concave is 1mm. The working temperature is less than 250℃, there is not coating and is black. The notch concave of this magnet is always used for the bearings. This magnet is resistant to corrosion and oxidation, which also makes its use effect better guaranteed.
We are wholesale manufacturer with own processing line. This shaped magnet is one customer of our company customized by their drawing, the size of diameter,thickness and cancave all is for fiting costomer production, we also hope that customers can put forward to demand, let's give you customize a belong to your unique magnet.
The measurement of Bearing Sintered ferrite ring magnet with notch concave 30 x 12 x 5mm:
Size close to the recommended ferrite ring;
Axial multipole ferrite ring magnet 4 poles 6 poles 30 x 16 x 5 mm