SIEMENS
FLENDER Standard Couplings
Appendix
Fits
15/2
Siemens MD 10.1 · 2015
15
■
Overview
Fitting recommendations
For many applications, the fit assignment m6/H7 is especially suitable.
Deviation table to DIN ISO 286 for above-mentioned fits for bore diameters from 10 mm to 250 mm
Cylindrical shaft ends, extract from DIN 748 Part 1 (long)
Central holes according to DIN 332 Part 2
Description
Application
Shaft tolerance
Bore tolerance
Sliding fit with parallel key connection not suitable
for reversing operation
For steel and cast hubs
j6
H7
h6
J7
Press fit with parallel key connection not suitable for
reversing operation
For steel and cast hubs
h6
K7
k6
H7
Interference fit with parallel key connection suitable
for reversing operation
For steel and cast hubs
m6
H7
n6
H7
h6
M7
Interference fit with parallel key connection suitable
for reversing operation
Only for steel hubs
Preferred for ZAPEX and ARPEX coupling series.
h6
P7
k6
M7
m6
K7
n6
J7
p6
H7
s6
F7
Shrink fit connection without parallel key
Only for steel hubs
The permitted hub tension must be urgently checked.
u6
H6
v6
H6
x6
H6
Diameter
Bore
Shaft
F7
H7
J7
K7
M7
P7
h6
j6
k6
m6
n6
p6
over
to
Deviations in μm
10
18
+34
+18
+10
+6
0
-11
0
+8
+12
+18
+23
+29
+16
0
–8
–12
–18
–29
–11
–3
+1
+7
+12
+18
18
30
+41
+21
+12
+6
0
–14
0
+9
+15
+21
+28
+35
+20
0
–9
–15
–21
–35
–13
–4
+2
+8
+15
+22
30
50
+50
+25
+14
+7
0
–17
0
+11
+18
+25
+33
+42
+25
0
–11
–18
–25
–42
–16
–5
+2
+9
+17
+26
50
80
+60
+30
+18
+9
0
–21
0
+12
+21
+30
+39
+51
+30
0
–12
–21
–30
–51
–19
–7
+2
+11
+20
+32
80
120
+71
+35
+22
+10
0
–24
0
+13
+25
+35
+45
+59
+36
0
–13
–25
–35
–59
–22
–9
+3
+13
+23
+37
120
180
+83
+40
+26
+12
0
–28
0
+14
+28
+40
+52
+68
+43
0
–14
–28
–40
–68
–25
–11
+3
+15
+27
+43
180
250
+96
+46
+30
+13
0
–33
0
+16
+33
+46
+60
+79
+50
0
–16
–33
–46
–79
–29
–13
+4
+17
+31
+50
Diameter in mm
24
25
28
30
32
35
38
40
42
45
48
50
55
60
65
70
75
80
85
90
95
100
ISO tolerance zone
k6
m6
End length in mm
50
60
80
110
140
170
210
Recommended
diameter ranges d
6
1)
Form DS
d
1
d
2
2)
d
3
d
4
d
5
t
1
t
2
t
3
t
4
t
5
over
to
+2
min.
+1
ca.
ca.
7
10
M3
2.5
3.2
5.3
5.8
9
12
2.6
1.8
0.2
Form DS (with thread) DIN 332/2
10
13
M4
3.3
4.3
6.7
7.4
10
14
3.2
2.1
0.3
13
16
M5
4.2
5.3
8.1
8.8
12.5
17
4
2.4
0.3
16
21
M6
5
6.4
9.6
10.5
16
21
5
2.8
0.4
21
24
M8
6.8
8.4
12.2
13.2
19
25
6
3.3
0.4
24
30
M10
8.5
10.5
14.9
16.3
22
30
7.5
3.8
0.6
30
38
M12
10.2
13
18.1
19.8
28
37
9.5
4.4
0.7
38
50
M16
14
17
23
25.3
36
45
12
5.2
1.0
50
85
M20
17.5
21
28.4
31.3
42
53
15
6.4
1.3
85
130
M24
21
25
34.2
38
50
63
18
8
1.6
130
225
M30
*)
26.5
31
40.2
44.6
60
77
22
8
1.9
225
320
M36
*)
32
37
49.7
55
74
93
22
11
2.3
320
500
M42
*)
37.5
43
60.3
66.6
84
105
26
15
2.7
*)
Dimensions not acc. to DIN 332 Part 2.
1)
Diameter refers to the finished workpiece.
2)
Tap hole drill diameter according to DIN 336 Part 1.
Parallel keyway
G_MD10_EN_00198
t
2
d
6
d
2
d
3
d
4
d
5
60°
6,3
120°
d
1
t
1
t
3
t
4
t
5
© Siemens AG 2015