GN 000.4Coupling attachments

Coupling attachments

for safety handwheels, with friction bearing

GN 000.4

Catalogue
No.
d1 ø Handwheel
GN 321
GN 322
GN 323
d2 H7
d3
d4 max.
d5 Minimum-ø
of handwheel hub
d6 -0.03 Bore-ø of
hub d6 H7
l1
l2 ±0.1
l3
t
w min.
GN 000.4-1-K12
1
125
K 12
28
17
29
25
28.5
18 19
5
26
4
GN 000.4-2-K14
2
140
K 14
32
21
33
29
32.5
19 20
6
30
4
GN 000.4-2-K16
2
140
K 16
32
21
33
29
32.5
19 20
6
30
4
GN 000.4-3-K18
3
160
K 18
38
26
39
35
36.5
24
6
36
4
GN 000.4-3-K20
3
200
K 20
38
26
39
35
36.5
24
6
36
4
GN 000.4-4-K22
4
250
K 22
45
30
46
41
47.5
28
12
42
4

Steel

nitrided

Bearing surface ground and / or PTFE-coated

The PTFE-coated surfaces of the coupling attachments GN 000.4 provide minimal friction between bearing surfaces even when lubrication is being neglected.

An oil-hole is provided which in the completely assembled safety handwheel connects with the wheel hub.

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Plain or threaded hole

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