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You are here: Product Overview > 3.9 Holding with Magnets > Retaining Magnets, Disk-Shaped > GN 50.4 Retaining Magnets previous product next product

GN 50.4 Retaining Magnets Disk-Shaped, with Bore

Photo

GN 50.4 Retaining Magnets with Bore Material: HF - Hard ferrite

Material: HF - Hard ferrite

GN 50.4 Retaining Magnets with Bore Material: HF - Hard ferrite

GN 50.4 Retaining Magnets with Bore Material: ND - NdFeB

GN 50.4 Retaining Magnets with Bore Material: SC - SmCo

Standard sheet GN 50.4 Print this page More Information on Retaining Magnets

Product description

Information

Retaining magnets GN 50.4 are combined with a steel housing and a plastic ring into a system that shields and strengthens the magnet for optimal transmission of the magnetic flux onto the magnetic surface.

To avoid negatively impacting the magnetic properties, the fastening screws should be made of a non-magnetic material such as stainless steel, brass or plastic.

Specification

Housing
Steel, zinc plated

Materials of the magnet:

Hard ferriteHF
Temperature resistant up to 200° C
NdFeBND
Neodymium, iron, boron
Temperature resistant up to 80° C
SmCoSC
Samarium, cobalt
Temperature resistant up to 280 °C

RoHS

Accessory

Holding Disks GN 70
Adhesive Disks GN 70.1
Rubber Caps GN 70.2

Technical drawing

GN 50.4 Retaining Magnets with Bore sketch

Hide technical drawing

GN 50.4 Retaining Magnets with Bore sketch

Article options / Table

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d₁	Tolerances HF	ND / SC	h	Tolerances HF	ND	SC	d₂ HF	ND / SC	d₃ HF	d₄ HF / SC	ND	d₅ HF	t HF	Nominal magnetic forces in N HF	ND	SC

10	-	±0.1	4,5	-	±0.1	-	-	2,6	-	-	5,2	-	-	-	19	-
13	-	±0.1	4,5	-	±0.1	-	-	3,5	-	-	6,6	-	-	-	40	-
16	±0.1	±0.1	4,5	+0.2/-0.1	±0.1	±0.1	3,5	3,5	-	7	6,6	-	-	14	75	57
20	±0.1	±0.1	6	+0.2/-0.1	±0.1	±0.1	4,3	4,5	-	10	9,3	-	-	27	105	81
25	±0.1	±0.1	7	+0.3/-0.2	±0.2	±0.1	5,5	4,5	-	12	9	-	-	36	160	105
32	±0.1	±0.1	7	+0.3/-0.2	±0.2	±0.1	5,5	5,5	-	12	11	-	-	72	310	235
40	+0.2/-0.1	±0.1	8	+0.4/-0.2	±0.2	±0.1	5,5	5,5	-	13	10,3	-	-	90	500	540
47	-	+0.2/-0.1	9,2	-	±0.3	-	-	8,5	-	-	17,3	-	-	-	740	-
50	+0.2/-0.1	-	10	+0.5/-0.2	-	-	-	-	8,5	-	-	22	8,5	180	-	-
57	+0.2/-0.1	-	11	+0.5/-0.2	-	-	-	-	6,5	-	-	24	9	230	-	-
63	+0.3/-0.1	-	14	+0.5/-0.2	-	-	-	-	6,5	-	-	24	12	290	-	-
80	+0.3/-0.1	-	10	+0.5/-0.2	-	-	-	-	6,5	-	-	32	8	450	-	-
80	+0.3/-0.1	-	18	+0.5/-0.2	-	-	-	-	6,5	-	-	11,5	15	540	-	-
83	+0.3/-0.1	-	18	+0.5/-0.2	-	-	-	-	10,5	-	-	32	15	600	-	-
100	+0.5/-0.1	-	22	+0.5/-0.2	-	-	-	-	10,5	-	-	34	18	680	-	-

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