R828 - Neodymium Ring Magnet

• Dimensions: 1/2" od x 1/8" id x 1/2" thick
• Tolerances: ±0.004" x ±0.004" x ±0.004"
• Material: NdFeB, Grade N42
• Plating/Coating: Ni-Cu-Ni (Nickel)
• Magnetization Direction: Axial (Poles on Flat Ends)
• Weight: 0.399 oz. (11.31 g)
• Pull Force, Case 1: 13.83 lbs
• Pull Force, Case 2: 15.47 lbs
• Max Operating Temp: 176ºF (80ºC)
• Brmax: 13,200 Gauss
• BHmax: 42 MGOe

The R828 is a nice, chunky magnet with the added benefit of a 1/8" hole thru the center. The hole, which runs north to south, makes this handy magnet that much more useful. The possibilities are endless.

This size is also available Diametrically Magnetized as part number R828DIA.

	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.
	Click this link for a depiction of the magnetic field.
	View B-H curves for this magnet.