This is a single-sided multi-pole magnetized ring magnet, only one side is magnetic, there are 4 poles on the surface, 2 N-pole, 2 S-pole, the material is injection molded ferrite, the outer diameter size of 17mm, the thickness of 4.5mm, the surface magnetic strength of about 1140 gauss, such as this size is suitable for you can contact us to provide you with a quote, you need other sizes you can consult, we have a lot of smaller or larger multi-pole magnetic ring We also have many smaller or larger multi-pole magnetic rings.
Single-sided 4-pole ferrite ring 17x4.5mm physical sample pictures

Go to Carich Magnet manufacturer injection molded ferrite magnet column for more shape specifications.
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This product is a radially magnetized 10-pole (5N5S) ring magnet, the material is bonded NdFeB, the surface coating is black epoxy, the magnet size is 27mm outer diameter, 22.7mm inner diameter, 21mm height, if you feel this specification If you are interested, you can contact our company for a quotation, provide samples...
This product is a 12 poles axial ferrite ring designed for rowing machines. It features a relatively large central bore and is manufactured from high-performance sintered ferrite material....
If you are looking for a 6-pole (3-pole pair) multi-pole ferrite ring sample, take a look at this one. Made of sintered ferrite, it has an outer diameter of 26.5 mm, an inner bore of 12.5 mm, and a thickness of 3 mm....
This product is a radial 8-pole rotor magnet. The material is injection-molded ferrite. The surface has no special treatment. At present, our company can provide injection-molded magnetic products with various properties, including injection-molded ferrite, injection-molded NdFeB and injection-molded ferrite....
Buy motor radial magnetized ring magnets, courage magnet mold, provided today is a radial 8 pole ceramic ferrite magnetic ring, the inner circle (inner diameter) for the use of strong magnetic surface, sintered ferrite material, magnetic ring specification outer diameter 40.3mm, inner diameter about 28mm, height 16mm, surface magnetic strength 1205 Gauss,...
This product is a magnetic encoder disk designed specifically for encoders. It features a ring-shaped design made of rubber-ferrite material with a dual-ring magnetization structure, available in 64-pole and 62-pole configurations. The specifications are: outer diameter 29 mm, inner diameter 15 mm, and thickness 1.1 mm....
The sample is a high-performance ferrite rotor magnet with a radial 3-pair pole configuration (6 poles), measuring 20mm in outer diameter, center bore diameter of 8mm, and height of 27mm. surface magnetic flux density reaches approximately 1800 Gauss....
This is a 20mm outer diameter, 6mm thick same-pole ferrite ring magnet manufactured from Y10 grade material. It offers stable magnetic properties and excellent temperature resistance, making it suitable for various sensing and motor applications....