Metric Size, Steel
Retaining Magnet Assemblies

Disc-Shaped, With Tapped Hole
GN 50.5

RoHS Compliant


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Specification
Information

Housing: Steel, zinc plated
Magnet: Neodymium, iron and boron NdFeB (ND type)
Cover cap (diameter d1 >/= 50): Technopolymer plastic (Polyamide PA)

Shipping


GN 50.5 magnets are a shielded magnetic assembly.
To ensure that the magnetic forces are not impaired, the mounting screws must be made of non-magnetic material.
For magnets with d1 diameter </= 40 mm, magnet surface is exposed. For d1 diameters >/= 50 mm, the magnetic surface of the magnet is covered with a plastic cap.
Temperature resistant to 175°F (80°C),
See also Types of Retaining Magnet Assemblies, Materials Composition of Retaining Magnet Assemblies, and Pulling Force Information for Retaining Magnet Assemblies.

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 ND Type

Dimensions in:

millimeters
(inches)

Part Number d1
+/- 0.1 mm
d2
Thread
d3 h
+/- 0.2 mm
t Nominal Pulling Forces [N]
50.5-ND-32
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32
(1.26)
M5 x .8 5.5
(.22)
7
(.28)
3
(.12)
330
50.5-ND-40
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40
(1.57)
M5 x .8 10.5
(.41)
8
(.31)
6
(.24)
500
50.5-ND-50
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50
(1.97)
M8 x 1.25 10.5
(.41)
10
(.39)
5.5
(.22)
800
50.5-ND-63
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63
(2.48)
M10 x 1.5 11.7
(.46)
14
(.55)
8.5
(.33)
1100
50.5-ND-75
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75
(2.95)
M10 x 1.5 13
(.51)
15
(.59)
8.5
(.33)
1750