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GN 57.2
Retaining magnets
rectangular-shaped, with rubber jacket
GN 57.2-A
Retaining magnets
with 1 female thread
GN 57.2-B
Retaining magnets
with 2 female threads
GN 57.2-D
Retaining magnets
with 2 bores
Description
Specification
Types
- Type A: with 1 female thread
- Type B: with 2 female threads
- Type D: with 2 bores
Steel part
zinc plated
Materials of the magnet:
Hard ferrite HF
temperature resistant up to 200 °C
NdFeB ND
Neodymium, iron, boron
temperature resistant up to 80 °C
Rubber jacket
Elastomer (TPE)
≈ 50 Shore A (Magnetic surface)
≈ 90 Shore A (Mounting surface)
black SW
Information
The retaining magnets GN 57.2 with rubber jacket form a system together with the steel part that is especially strong, shielding the magnet, increasing the depth of its effect and optimally concentrating the magnetic flux on the rubberized magnetic surfaces.
This makes these magnets particularly well suited for use on surfaces that may have thick coats of paint or feature rounded or uneven shapes.
The rubber protects sensitive surfaces from being damaged by the magnet and also delivers a high friction coefficient, resulting in high lateral displacement forces.
- More information to retaining magnets
Technical information
- Elastomer characteristics
GN 57.2-B
| l1 | d1 | b1 | b2 | d2 | h1 | h2 | h3 | l2 | l3 | m | Nominal magnetic forces FH1 in N (no air gap) | Nominal magnetic forces FH2 in N (6 mm air gap) |  |
||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Code | Actions | ||||||||||||||
| GN 57.2-HF-70-M5-B-SW | 70 | M 5 | 50 | 43.5 | 12 | 13 | 8 | 6 | 61.5 | 20.5 | 27.5 | 45 | 11 | 125 |
|
| GN 57.2-ND-70-M5-B-SW | 70 | M 5 | 50 | 43.5 | 12 | 13 | 8 | 6 | 61.5 | 20.5 | 27.5 | 290 | 72 | 149 |
|
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