4 pole rotor magnets

4 pole bonded ndfeb ring rotor magnet 16 x 5 x 20 mm

This is a radial 4-pole ring (Hollow cylinder) magnet, the material is bonded NdFeB, with high magnetic performance, the size is 16mm outer diameter, inner hole 5mm, height 20mm, surface gray epoxy treatment, suitable for water pump motor...