Arc Magnets Neodymium Magnets Motor Magnets
Arc Magnets Neodymium Magnets Motor Magnets
Arc Magnets Neodymium Magnets Motor Magnets
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Arc Magnets Neodymium Magnets Motor MagnetsArc Magnets Neodymium Magnets Motor MagnetsArc Magnets Neodymium Magnets Motor Magnets

M2550 - Arc Motor Magnets - 35.75mm OD x 32.75mm ID x 9mm L - N50 - Nickel Plated

Length 0.354" (9mm)
Inside Diameter 1.289" (32.75mm)
Outside Diameter 1.407" (35.75mm)
Grade Neodymium 50
Max Working Temp 60°C
Coating Nickel
Direction of Magnetism Radially magnetized
MOQ 1
Quantity Per Pack 4 pieces
Price:
$14.90
Stock:
In stock (55 units), ready to be shipped

Additional Resources

Pull Force Calculator

Estimate holding power for your application.

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Coating Specifications

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Material Grades & Curves

Explore Neodymium & Samarium Cobalt magnet material specs and BH curves to ensure proper material selection for your specific application.

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Custom Solutions

SuperMagnetMan is the e-commerce brand of SM Magnetics, here to make it easy to get the magnets you need for prototyping, testing, or small-scale use. When you're ready for a custom solution—whether that’s a fully engineered magnetic system, simulation support, or a complete assembly—our team at SM Magnetics is ready to help you bring it to life.

About the Product

Neodymium arc magnets are built for rotor and stator prototypes, magnetic couplings, and curved fixtures. The arc radius nests on hubs or housings so you can assemble partial or full rings to tune pole count and air gap. Magnetization is typically axial through thickness, with radial options for motor development. Tight arc angle, ID/OD, and thickness tolerances support repeatable fits and balance. Estimate attraction with the pull-force calculator, then review grade and temperature limits in the material data and select coatings that suit your test environment.

Customer Reviews

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Anonymous
Arc shaped magnets are powerful but fragile

Arc shaped magnets are powerful but fragile, it doesn't take much for them to attract to one another from a distance and thus break in half, a lot of care is required when handling these. There also kind of expensive especially when losing two right off the bat. Note, they do come in reverse polarity as indicated on the site and will be shipped, with the top of the arcs opposite and magnetized together.
The other cylinder shaped ones were also powerful for their size, be sure to order the higher magnitude, a 40 rating is pointless in this size.

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