Metric Size, Stainless Steel
Retaining Magnet Assemblies

Disc-Shaped, with Threaded Bushing
GN 50.25

RoHS Compliant


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Specification
Information

Housing and threaded bushing: Stainless steel
Magnet: Hard ferrite SrFe (HF type)

Shipping

GN 50.25 magnets are a shielded magnetic assembly.
Due to the lower magnetic conductivity of the stainless steel housing, the magnetic forces are lower than with steel.
Temperature resistant to 390°F (200°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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 HF Type

Dimensions in:

millimeters
(inches)

Part Number d1
Dia.
d1
tolerance
d2
thread
d3 h
Thickness
h
tolerance
l
Length
t
min.
Nominal Pulling Forces [N]
50.25-HF-25-M5
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25
(.98)
+/- .1
(+/- .004)
M5 x .8 8
(.31)
7
(.28)
+ .3 / -.1
(+ .012/- .004)
9
(.35)
9
(.35)
32
50.25-HF-32-M5
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32
(1.26)
+/- .1
(+/- .004)
M5 x .8 8
(.31)
7
(.28)
+ .3 / -.1
(+ .012/- .004)
9
(.35)
9
(.35)
64
50.25-HF-40-M5
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40
(1.57)
+ .2 / -.1
(+ .008/- .004)
M5 x .8 8
(.31)
8
(.31)
+ .3 / -.1
(+ .012/- .004)
8.5
(.33)
9
(.35)
100
50.25-HF-50-M5
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50
(1.97)
+ .2 / -.1
(+ .008/- .004)
M5 x .8 8
(.31)
10
(.39)
+ .4 / -.1
(+ .016/- .004)
8.5
(.33)
9
(.35)
175
50.25-HF-63-M5
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63
(2.48)
+ .3 / -.1
(+ .012/- .004)
M5 x .8 8
(.31)
14
(.55)
+ .5 / -.1
(+ .020/- .004)
8
(.31)
9
(.35)
280