Metric Size, Stainless Steel
Retaining Magnet Assemblies

Disc-Shaped, With Thru Hole
GN 50.45

RoHS Compliant


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Specification
Information

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

Shipping

GN 50.45 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.
To ensure that the magnetic forces are not impaired, the mounting screws must be made of non-magnetic material.
Type HF 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 d3 d4 d5 h
Thickness
h
tolerance
t Nominal Pulling Forces [N]
50.45-HF-20
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20
(.79)
+/- .1
(+/- .004)
4.1
(.16)
-- 10
(.39)
-- 6
(.24)
+ .2 / -.1
(+ .008/- .004)
-- 22
50.45-HF-25
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25
(.98)
+/- .1
(+/- .004)
5.5
(.22)
-- 11.5
(.45)
-- 7
(.28)
+ .3 / -.1
(+ .012/- .004)
-- 29
50.45-HF-32
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32
(1.26)
+/- .1
(+/- .004)
5.5
(.22)
-- 11.5
(.45)
-- 7
(.28)
+ .3 / -.1
(+ .012/- .004)
-- 58
50.45-HF-40
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40
(1.57)
+ .2 / -.1
(+ .008/- .004)
5.5
(.22)
-- 11.5
(.45)
-- 8
(.31)
+ .4 / -.1
(+ .016/- .004)
-- 72
50.45-HF-50
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50
(1.97)
+ .2 / -.1
(+ .008/- .004)
-- 8.5
(.33)
-- 22
(.87)
10
(.39)
+ .5 / -.1
(+ .020/- .004)
8.5
(.33)
145
50.45-HF-63
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63
(2.48)
+ .3 / -.1
(+ .012/- .004)
-- 8.5
(.33)
-- 24
(.94)
14
(.55)
+ .5 / -.1
(+ .020/- .004)
12
(.47)
230