R424DIA - Neodymium Diametric Ring Magnet

• Dimensions: 1/4" od x 1/8" id x 1/4" thick
• Tolerances: ±0.004" x ±0.004" x ±0.004"
• Material: NdFeB, Grade N42
• Plating/Coating: Ni-Cu-Ni (Nickel)
• Magnetization Direction: Diametrical
• Weight: 0.0399 oz. (1.13 g)
• Pull Force, Case 1: 1.36 lbs
• Pull Force, Case 2: 1.91 lbs
• Surface Field: 5299 Gauss
• Max Operating Temp: 176ºF (80ºC)
• Brmax: 13,200 Gauss
• BHmax: 42 MGOe

These rings are diametrically magnetized, which means they are magnetized perpendicular to the axis of the hole. The poles are located on opposite sides of the circular faces. They can be placed on a shaft to work with sensors or to generate electricity.


This size is also available axially magnetized in grade N42 as part number R424.

	Pull Force, Case 1 vs. distance: Magnet to a Steel Plate.
	Pull Force, Case 2 vs. distance: Between 2 Steel Plates.
	Pull Force, Case 3 vs. distance: Magnet to Magnet.
	Pull Force, Case 4 vs. distance: Magnet to Magnet Repulsion.
	View B-H curves for this magnet.

	Click here to download a PDF Specification Sheet.
	Click here to download a PDF drawing of this product.
	Click here to download a Certificate of Compliance for this product.
	Click here to download a RoHS Statement of Compliance for this product.
	Click here to download a Material Safety Data Sheet (MSDS) for this product.
	Click here to download a Conflict Minerals Reporting Template (CMRT).
	Click here to download a Certificate of Origin for this product.
	Click here for a REACH compliance statement.
	Click here to download a .STEP file (3D model).
	Click here to download an .IGS file (3D model).

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