20x5mm Permanent Nd Disk Magnet

The 20x5mm neodymium disc magnet has a pull force over 17 pounds (~8kg) has provides enough resistance to be use in eddy current (Hall effect) brakes.

Click on Tabs below for additional information.



Related Products

SKU: 44207-5
Disc magnet, D20x5mm, NdFeb/N42, Full Sintered/Pressed

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Titanium tweezers can be used to handle small disc magnets & position them easily. The Mark I Magnaprobe is ultra sensitive & can be used to check stray magnetic fields. The Mark II Magnaprobe is a fast & convenient way to confirm magnet are positioned with their poles pointing correctly.



You can open or download a copy of the Hysteresis Graph or ROHS certification that applies to all our N42 grade magnets.

Field Strength (Gauss) & Pull Force in Pounds & Kilograms at 5 Distances Above Magnet
SKU: 44207-5Size: 20 × 5mm
Distance (mm): 0 0.1 1 10 100
Gauss 2951.6 2932.6 2738.9 824.6 3.0
Lb 17.22 17.00 14.83 1.34 0.00
Kg 7.83 7.73 6.74 0.61 0.00

 

  • N42 grade: ~13,200 gauss (1.3T)
  • magnetized through the thickness
  • nickel-copper-nickel coated
  • size tolerance for dimensions <10mm: +/- 0.05mm
  • size tolerance for dimensions >10mm: +/- 0.1mm
  • magnet strength variance piece to piece: <2%
  • 80C maximum operating temperature


Go to neodymium magnet disks to view all holding force specifications in one table.