Ring Magnet Ø 140 x 63 x 17 mm Ceramic Ferrite Y30 - holds 19kg - Magnetic Rings

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Ring Magnet Ferrite Y30 Ø 140 x Ø 63 x 17mm holds 19,0 kg


Most widely used magnetic material because of its low cost and high coercivity (doesn't lose magnetic power easily).


Ring magnets are similar to discs, but feature a hole in the centre. The reduced volume of the magnet results in less strength, but increases their versatility - rings slide easily onto tubes or rods. Ferrite rings are available in sizes up to 145mm diameter, and with a variety of internal diameters and thicknesses.


Toroids are used to confine and guide magnetic fields.These doughnut-shaped forms are wrapped in a coil to create a substantial increase in magnetic field strength. The design allows a coil to be wound through the hole and around the outside.


Toroid Applications:

Toroids are typically used in EMI filters, medical devices, musical instruments, amplifiers, power inductors and a wide array of transformers, including broadband, pulse and high frequency transformers.


Ferrite Toroid Benefits:

The shape of the toroid achieves the highest inductance per unit of volume, and helps to distribute the coil evenly around the circumference of the magnetic core. The continuous magnetic path yields the highest effective permeability and owest flux leakage of any shape. Toroids are available in various diameters, thicknesses, permeability and types depending upon the frequency range of interest. They provide exceptionally high inductance for the physical space occupied, without interacting with adjacent components.


Material Information:

Produced by powder metallurgical method with chemical compostition of Ba/SrO.6 Fe2 O3

Relativly brittle & hard

Good resistance to demangnetization

Excellent corrosion resistance

Raw material is readily available and low in cost

Good temperature stability

high coercive force and high electric resistance

Most widely used permanent magnets.


Use where:

  • You need a 'general purpose' magnet
  • Cost is a consideration
  • Temperature is lower than 250 °C

Ferrite magnets are also known as 'ceramic' because they are hard and brittle.


Ring Magnet Ø 140 x 63 x 17 mm Ceramic Ferrite Y30 - holds 19 kg - Magnetic RingsRing Magnet Ø 140 x 63 x 17 mm Ceramic Ferrite Y30 - holds 19 kg - Magnetic Rings, Hard Ferrite Magnets



Applications of ferrite magnets

Ring magnets are made specifically for loudspeaker systems and their sizes have evolved with demand from this market. However, they are also commonly used in magnetic rollers for separating applications and in the printing industry. They are also a vital component found in fast running conveyor systems in many manufacturing plants dealing with ferrous material.




  Manufactured after 2013/01/01, The object of the declaration described above is in conformity with DIRECTIVE 2011/65/EU OF THE EUROPEAN PARLIAMENT AND OF THE COUNCIL an the restriction of the use of certain hazardous substances in electrical and electronic equipment.

  • Ring Magnets - Ceramic Rings Ø 140 mm x Ø 63 mm x 17 mm Ferrite, Y35 pull 19 kg
  • Dimensions: Outer Ø 140 mm, internal Ø 63 mm, height 17 mm, Adhesive force: 19 kg, Weight: 1250 g
  • Material: Ferrite, Quality: Anitsotrop


Product Code:


Pack Size:





Outer-Ø 140 mm, Inner-Ø 63 mm


17 mm






Fe2O3 (Ferrit)



Vertical Pull (Kg):

19 kg

Slide Resistance (Kg):


Max Temp (Grad C):

250 °C


1250 g




Extreme Power Warning!

These magnets are dangerous! If your fingers are trapped between two of these magnets, they will be crushed! Please note that they should only be handled and used after a thorough risk assessment has been undertaken.


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