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Ring Magnets | Neodymium & Samarium Cobalt

57 products

Showing 25 - 48 of 57 products

Showing 25 - 48 of 57 products
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SuperMagnetMan Neodymium Ring Magnet.  Used as medical magnets, motor magnets, sensor magnets, consumer electronics magnets.  These ring magnets are strong rare earth neodymium magnets also used as automotive magnets.  www.supermagnetman.comSuperMagnetMan Neodymium Ring Magnet.  Used as medical magnets, motor magnets, sensor magnets, consumer electronics magnets.  These ring magnets are strong rare earth neodymium magnets also used as automotive magnets.  www.supermagnetman.com
R1014
Sale price$1.99
Sold out
0.500" (12.70mm) OD x 0.250" (6.35mm) ID x 0.250" (6.35mm) thick, N50 Neodymium Magnets Rare Earth Magnets! Ring Magnets magnetized through thickness. Nickel Plated. Minimum Order Quantity (MOQ) = 5 pcs
SuperMagnetMan Neodymium Ring Magnet.  Used as medical magnets, motor magnets, sensor magnets, consumer electronics magnets.  These ring magnets are strong rare earth neodymium magnets also used as automotive magnets.  www.supermagnetman.comSuperMagnetMan Neodymium Ring Magnet.  Used as medical magnets, motor magnets, sensor magnets, consumer electronics magnets.  These ring magnets are strong rare earth neodymium magnets also used as automotive magnets.  www.supermagnetman.com
R100745H
Sale price$1.65
Sold out
0.472" (12mm) OD x 0.315" (8mm) ID x 0.118" (3mm) thick, N45H Neodymium Magnets Rare Earth Magnets! Ring Magnets magnetized through thickness. Nickel Plated. Minimum Order Quantity (MOQ) = 10 pcs  
Strong Rare Earth Neodymium Ring Magnet!  Great for use as a medical magnet, sensor magnet, holding magnet, motor magnet, and more.  Large inventory!Strong Rare Earth Neodymium Ring Magnet!  Great for use as a medical magnet, sensor magnet, holding magnet, motor magnet, and more.  Large inventory!
R1007G
Sale price$1.35
In stock, 1299 units
0.472" (12mm) OD x 0.315" (8mm) ID x 0.118" (3mm) thick, N40 Neodymium Magnets Rare Earth Magnets! Ring Magnets magnetized through thickness. Gold Plated. Minimum Order Quantity (MOQ) = 10 pcs
SuperMagnetMan Neodymium Ring Magnet.  Used as medical magnets, motor magnets, sensor magnets, consumer electronics magnets.  These ring magnets are strong rare earth neodymium magnets also used as automotive magnets.  www.supermagnetman.comSuperMagnetMan Neodymium Ring Magnet.  Used as medical magnets, motor magnets, sensor magnets, consumer electronics magnets.  These ring magnets are strong rare earth neodymium magnets also used as automotive magnets.  www.supermagnetman.com
R1008D45H
Sale price$1.25
In stock, 4404 units
0.472" (12mm) OD x 0.315" (8mm) ID x 0.118" (3mm) thick, N45H Neodymium Magnets Rare Earth Magnets! Ring Magnets magnetized across the diameter. Nickel Plated. Minimum Order Quantity (MOQ) = 10 pcs    
SuperMagnetMan Neodymium Ring Magnet.  Used as medical magnets, motor magnets, sensor magnets, consumer electronics magnets.  These ring magnets are strong rare earth neodymium magnets also used as automotive magnets.  www.supermagnetman.comSuperMagnetMan Neodymium Ring Magnet.  Used as medical magnets, motor magnets, sensor magnets, consumer electronics magnets.  These ring magnets are strong rare earth neodymium magnets also used as automotive magnets.  www.supermagnetman.com
R1014A
Sale price$1.55
In stock, 500 units
0.625" (15.88mm) OD x 0.358" (9.10mm) ID x 0.039" (1mm) thick, N45H Neodymium Magnets Rare Earth Magnets! Ring Magnets magnetized through thickness. Nickel Plated. Minimum Order Quantity (MOQ) = 5 pcs
CS_0050NRing Magnets Neodymium Magnets Rare Earth Magnets
CS_0050N
Sale price$2.40
In stock, 127 units
0.500" (12.70mm) x 0.187" (4.76mm) thick with countersunk hole 0.300" (7.62mm) / 0.127" (3.22mm), N40 Neodymium Magnets Rare Earth Magnets. North on 0.300" countersunk face side of magnet. Ring Magnets magnetized through thickness. Nickel plated. Minimum Order Quantity (MOQ) = 10 pcs    
CS_0050SRing Magnets Neodymium Magnets Rare Earth Magnets
CS_0050S
Sale price$2.40
In stock, 212 units
0.500" (12.70mm) x 0.187" (4.76mm) thick with countersunk hole 0.300" (7.62mm) / 0.127" (3.22mm), N40 Neodymium Magnets Rare Earth Magnets. South on 0.300" countersunk face side of magnet. Ring Magnets magnetized through thickness. Nickel plated. Minimum Order Quantity (MOQ) = 10 pcs    
SuperMagnetMan Neodymium Ring Magnet.  Used as medical magnets, motor magnets, sensor magnets, consumer electronics magnets.  These ring magnets are strong rare earth neodymium magnets also used as automotive magnets.  www.supermagnetman.comSuperMagnetMan Neodymium Ring Magnet.  Used as medical magnets, motor magnets, sensor magnets, consumer electronics magnets.  These ring magnets are strong rare earth neodymium magnets also used as automotive magnets.  www.supermagnetman.com
R1014B
Sale price$1.57
In stock, 21442 units
0.669" (17mm) OD x 0.394" (10mm) ID x 0.039" (1mm) thick, N50 Neodymium Magnets Rare Earth Magnets! Ring Magnets magnetized through thickness. Nickel Plated. Minimum Order Quantity (MOQ) = 5 pcs
SuperMagnetMan Neodymium Ring Magnet.  Used as medical magnets, motor magnets, sensor magnets, consumer electronics magnets.  These ring magnets are strong rare earth neodymium magnets also used as automotive magnets.  www.supermagnetman.comSuperMagnetMan Neodymium Ring Magnet.  Used as medical magnets, motor magnets, sensor magnets, consumer electronics magnets.  These ring magnets are strong rare earth neodymium magnets also used as automotive magnets.  www.supermagnetman.com
R1014B N45H
Sale price$1.65
In stock, 8715 units
0.669" (17mm) OD x 0.394" (10mm) ID x 0.039" (1mm) thick, N45H Neodymium Magnets Rare Earth Magnets! Ring Magnets magnetized through thickness. Nickel Plated. Minimum Order Quantity (MOQ) = 5 pcs
SuperMagnetMan Neodymium Ring Magnet.  Used as medical magnets, motor magnets, sensor magnets, consumer electronics magnets.  These ring magnets are strong rare earth neodymium magnets also used as automotive magnets.  www.supermagnetman.comSuperMagnetMan Neodymium Ring Magnet.  Used as medical magnets, motor magnets, sensor magnets, consumer electronics magnets.  These ring magnets are strong rare earth neodymium magnets also used as automotive magnets.  www.supermagnetman.com
R1050
Sale price$3.00
In stock, 342 units
0.750" (19mm) OD x 0.472" (12mm) ID x 0.118" (3mm) thick, N52 Multi-Pole Neodymium Magnets Rare Earth Magnets! Ring Magnets with 8 poles on the same face. Nickel Plated. Minimum Order Quantity (MOQ) = 10 pcs    
SuperMagnetMan Neodymium Ring Magnet.  Used as medical magnets, motor magnets, sensor magnets, consumer electronics magnets.  These ring magnets are strong rare earth neodymium magnets also used as automotive magnets.  www.supermagnetman.comSuperMagnetMan Neodymium Ring Magnet.  Used as medical magnets, motor magnets, sensor magnets, consumer electronics magnets.  These ring magnets are strong rare earth neodymium magnets also used as automotive magnets.  www.supermagnetman.com
R1018B
Sale price$1.05 Regular price$1.50
In stock, 12 units
0.750" (19.05mm) OD x 0.037" (0.95mm) ID x 0.039" (1mm) thick, N40 Neodymium Magnets Rare Earth Magnets! Ring Magnets magnetized through thickness. Nickel Plated. Minimum Order Quantity (MOQ) = 12 pcs    
SuperMagnetMan Neodymium Ring Magnet.  Used as medical magnets, motor magnets, sensor magnets, consumer electronics magnets.  These ring magnets are strong rare earth neodymium magnets also used as automotive magnets.  www.supermagnetman.comSuperMagnetMan Neodymium Ring Magnet.  Used as medical magnets, motor magnets, sensor magnets, consumer electronics magnets.  These ring magnets are strong rare earth neodymium magnets also used as automotive magnets.  www.supermagnetman.com
R1021
Sale price$1.95
In stock, 2870 units
0.750" (19.05mm) OD x 0.375" (9.53mm) ID x 0.250" (6.35mm) thick, N50 Neodymium Magnets Rare Earth Magnets! Ring Magnets magnetized through thickness. Nickel Plated. Minimum Order Quantity (MOQ) = 8 pcs    
SuperMagnetMan Neodymium Ring Magnet.  Used as medical magnets, motor magnets, sensor magnets, consumer electronics magnets.  These ring magnets are strong rare earth neodymium magnets also used as automotive magnets.  www.supermagnetman.comSuperMagnetMan Neodymium Ring Magnet.  Used as medical magnets, motor magnets, sensor magnets, consumer electronics magnets.  These ring magnets are strong rare earth neodymium magnets also used as automotive magnets.  www.supermagnetman.com
R102045H
Sale price$5.75
In stock, 248 units
0.750" (19.05mm) OD x 0.375" (9.53mm) ID x 0.250" (6.35mm) thick, N45H Neodymium Magnets Rare Earth magnets! Ring Magnets magnetized through thickness. Nickel Plated. Minimum Order Quantity (MOQ) = 5 pcs
SuperMagnetMan Neodymium Ring Magnet.  Used as medical magnets, motor magnets, sensor magnets, consumer electronics magnets.  These ring magnets are strong rare earth neodymium magnets also used as automotive magnets.  www.supermagnetman.comSuperMagnetMan Neodymium Ring Magnet.  Used as medical magnets, motor magnets, sensor magnets, consumer electronics magnets.  These ring magnets are strong rare earth neodymium magnets also used as automotive magnets.  www.supermagnetman.com
R1018B45H
Sale price$1.65
In stock, 376 units
0.750" (19.05mm) OD x 0.384" (9.75mm) ID x 0.039" (1mm) thick, N45H Neodymium Magnets Rare Earth Magnets! Ring Magnets magnetized through thickness. Nickel Plated. Minimum Order Quantity (MOQ) = 5 pcs
SuperMagnetMan Neodymium Ring Magnet.  Used as medical magnets, motor magnets, sensor magnets, consumer electronics magnets.  These ring magnets are strong rare earth neodymium magnets also used as automotive magnets.  www.supermagnetman.comSuperMagnetMan Neodymium Ring Magnet.  Used as medical magnets, motor magnets, sensor magnets, consumer electronics magnets.  These ring magnets are strong rare earth neodymium magnets also used as automotive magnets.  www.supermagnetman.com
R1010
Sale price$1.99
Sold out
0.750" (19.05mm) OD x 0.472" (12mm) ID x 0.118" (3mm) thick, N50 Neodymium Magnets Rare Earth Magnets! Ring Magnets magnetized through thickness. Nickel Plated. Minimum Order Quantity (MOQ) = 5 pcs
SuperMagnetMan Neodymium Ring Magnet.  Used as medical magnets, motor magnets, sensor magnets, consumer electronics magnets.  These ring magnets are strong rare earth neodymium magnets also used as automotive magnets.  www.supermagnetman.comSuperMagnetMan Neodymium Ring Magnet.  Used as medical magnets, motor magnets, sensor magnets, consumer electronics magnets.  These ring magnets are strong rare earth neodymium magnets also used as automotive magnets.  www.supermagnetman.com
R1010D
Sale price$1.75
In stock, 201 units
0.750" (19.05mm) OD x 0.472" (12mm) ID x 0.118" (3mm) thick, N50 Neodymium Magnets Rare Earth Magnets! Ring Magnets magnetized across diameter. Nickel Plated. Minimum Order Quantity (MOQ) = 5 pcs
SuperMagnetMan Neodymium Ring Magnet.  Used as medical magnets, motor magnets, sensor magnets, consumer electronics magnets.  These ring magnets are strong rare earth neodymium magnets also used as automotive magnets.  www.supermagnetman.comSuperMagnetMan Neodymium Ring Magnet.  Used as medical magnets, motor magnets, sensor magnets, consumer electronics magnets.  These ring magnets are strong rare earth neodymium magnets also used as automotive magnets.  www.supermagnetman.com
R1015
Sale price$1.95
In stock, 3835 units
0.750" (19.05mm) OD x 0.472" (12mm) ID x 0.394" (10mm) thick, N40 Neodymium Magnets Rare Earth Magnets! Ring Magnets magnetized through thickness. Nickel Plated. Minimum Order Quantity (MOQ) = 5 pcs
SuperMagnetMan Neodymium Ring Magnet.  Used as medical magnets, motor magnets, sensor magnets, consumer electronics magnets.  These ring magnets are strong rare earth neodymium magnets also used as automotive magnets.  www.supermagnetman.comSuperMagnetMan Neodymium Ring Magnet.  Used as medical magnets, motor magnets, sensor magnets, consumer electronics magnets.  These ring magnets are strong rare earth neodymium magnets also used as automotive magnets.  www.supermagnetman.com
R1025
Sale price$2.75
In stock, 1021 units
0.750" (19.05mm) OD x 0.500" (12.70mm) ID x 0.200" (5.08mm) thick, N50 Neodymium Magnets Rare Earth Magnets! Ring Magnets magnetized through thickness. Nickel Plated. Minimum Order Quantity (MOQ) = 4 pcs
SuperMagnetMan Neodymium Ring Magnet.  Used as medical magnets, motor magnets, sensor magnets, consumer electronics magnets.  These ring magnets are strong rare earth neodymium magnets also used as automotive magnets.  www.supermagnetman.comSuperMagnetMan Neodymium Ring Magnet.  Used as medical magnets, motor magnets, sensor magnets, consumer electronics magnets.  These ring magnets are strong rare earth neodymium magnets also used as automotive magnets.  www.supermagnetman.com
R1101
Sale price$5.50
In stock, 305 units
1" (25.40mm) OD x 0.500" (12.70mm) ID x 0.250" (6.35mm) thick, N40 Neodymium Magnets Rare Earth Magnets! Ring Magnets magnetized through thickness. Nickel Plated. Minimum Order Quantity (MOQ) = 1 pc
SuperMagnetMan Neodymium Ring Magnet.  Used as medical magnets, motor magnets, sensor magnets, consumer electronics magnets.  These ring magnets are strong rare earth neodymium magnets also used as automotive magnets.  www.supermagnetman.comSuperMagnetMan Neodymium Ring Magnet.  Used as medical magnets, motor magnets, sensor magnets, consumer electronics magnets.  These ring magnets are strong rare earth neodymium magnets also used as automotive magnets.  www.supermagnetman.com
R1101D
Sale price$5.50
In stock, 328 units
1" (25.40mm) OD x 0.500" (12.70mm) ID x 0.250" (6.35mm) thick, N40 Neodymium Magnets Rare Earth Magnets! Ring Magnets magnetized across diameter. Nickel Plated. Minimum Order Quantity (MOQ) = 1 pc
SuperMagnetMan Neodymium Ring Magnet.  Used as medical magnets, motor magnets, sensor magnets, consumer electronics magnets.  These ring magnets are strong rare earth neodymium magnets also used as automotive magnets.  www.supermagnetman.comSuperMagnetMan Neodymium Ring Magnet.  Used as medical magnets, motor magnets, sensor magnets, consumer electronics magnets.  These ring magnets are strong rare earth neodymium magnets also used as automotive magnets.  www.supermagnetman.com
R110345H
Sale price$5.75
In stock, 8 units
1" (25.40mm) OD x 0.500" (12.70mm) ID x 0.250" (6.35mm) thick, N45H Neodymium Magnets Rare Earth Magnets! Ring Magnets magnetized through thickness. Black Epoxy Coated. Minimum Order Quantity (MOQ) = 1 pc
SuperMagnetMan Neodymium Ring Magnet.  Used as medical magnets, motor magnets, sensor magnets, consumer electronics magnets.  These ring magnets are strong rare earth neodymium magnets also used as automotive magnets.  www.supermagnetman.comSuperMagnetMan Neodymium Ring Magnet.  Used as medical magnets, motor magnets, sensor magnets, consumer electronics magnets.  These ring magnets are strong rare earth neodymium magnets also used as automotive magnets.  www.supermagnetman.com
R1106
Sale price$10.95
In stock, 308 units
1.378" (35mm) OD x 0.984" (25mm) ID x 0.197" (5mm) thick, N50 Neodymium Magnets Rare Earth Magnets! Ring Magnets magnetized through thickness. Nickel Plated. Minimum Order Quantity (MOQ) = 1 pc
SuperMagnetMan Neodymium Ring Magnet.  Used as medical magnets, motor magnets, sensor magnets, consumer electronics magnets.  These ring magnets are strong rare earth neodymium magnets also used as automotive magnets.  www.supermagnetman.comSuperMagnetMan Neodymium Ring Magnet.  Used as medical magnets, motor magnets, sensor magnets, consumer electronics magnets.  These ring magnets are strong rare earth neodymium magnets also used as automotive magnets.  www.supermagnetman.com
R111045H
Sale price$10.80
In stock, 58 units
1.500" (38.10mm) OD x 0.500" (12.70mm) ID x 0.250" (6.35mm) thick, N45H Neodymium Magnets Rare Earth Magnets! Ring Magnets magnetized through thickness. Nickel Plated. Minimum Order Quantity (MOQ) = 1 pc
SuperMagnetMan Teflon coated neodymium ring magnet.  Used as medical magnets, sensor magnets, motor magnets, and consumer electronics magnets.  Teflon coated ring magnets are strong rare earth magnets and the Teflon coating provides great protection to the neodymium magnet.  www.supermagnetman.comSuperMagnetMan Teflon coated neodymium ring magnet.  Used as medical magnets, sensor magnets, motor magnets, and consumer electronics magnets.  Teflon coated ring magnets are strong rare earth magnets and the Teflon coating provides great protection to the neodymium magnet.  www.supermagnetman.com
TEF R1715
Sale price$18.00
In stock, 136 units
1.715" (43.55mm) OD x 1.160" (29.46mm) ID x 0.215" (5.46mm) thick, tolerance +/- 0.004" (0.10mm), Molded PTFE Coated, N42 Neodymium Magnets Rare Earth Magnets!Ring Magnets magnetized through the thickness. Minimum Order Quantity (MOQ) = 1 pc  

Frequently Asked Questions

Ring magnets are commonly used in motors, couplings, sensors, and magnetic assemblies.

Neodymium magnets are the strongest and most cost-effective but require protective coatings and have lower heat resistance. Samarium Cobalt magnets are slightly less powerful but offer superior temperature stability, natural corrosion resistance, and long-term durability in harsh environments.

Ring magnets provide smooth integration in shafts, encoders, and motion systems. Their centered alignment makes them ideal for testing rotational prototypes.

We provide a wide range of coatings to match different applications. Common options include nickel, gold, and epoxy. Nickel is the standard for durability, gold is our biocompatible coating and preferred for medical use, and epoxy adds strong chemical resistance. Additional specialty coatings are also available depending on your requirements.

Yes. Through our engineering division, SM Magnetics, we can design and manufacture custom sizes, magnetization directions, and specialized coatings. You can either submit a custom request form or contact us directly to speak with our experts.

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