SIEMENS
7/3
Siemens MD 31.1 · 2016
Connection dimensions
Cylindrical shaft ends
Selection of fit, parallel keys and parallel keyways
7
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Overview
Selection of fit
Parallel keys and parallel keyways
Selection of fit
Shaft Ø d
Shaft
tolerance
Bore
tolerance
above
to
mm
mm
Shaft tolerance
acc. to
FLENDER
standard
25
k6
25
100
m6
H7
100
n6
Diameter
Width
Height
Depth of keyway
in shaft
Depth of keyway
in hub
Ø d
b
1)
h
t
1
d + t
2
above
to
DIN 6885-1
mm
mm
mm
mm
mm
mm
38
44
12
8
5
d + 3.3
44
50
14
9
5.5
d + 3.8
50
58
16
10
6
d + 4.3
58
65
18
11
7
d + 4.4
65
75
20
12
7.5
d + 4.9
75
85
22
14
9
d + 5.4
85
95
25
14
9
d + 5.4
95
110
28
16
10
d + 6.4
110
130
32
18
11
d + 7.4
130
150
36
20
12
d + 8.4
150
170
40
22
13
d + 9.4
170
200
45
25
15
d + 10.4
200
230
50
28
17
d + 11.4
G_MD30_XX_00046
h
b
Ød+t
2
Ød
t
1
Drive type fastening without taper action
Parallel key and keyway according to DIN 6885-1
Parallel key form B
1)
The tolerance field for keyway width b for parallel keys is ISO N9.
© Siemens AG 2016