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4.5
Gearbox with flange fastening
Note
Siemens AG recommends an anaerobic adhesive to enhance the friction lock between flange
and mounting surface.
Table 4- 3
Thread
size
M6
M8
M10
M12
M16
M16
M16
M20
Use screws / nuts of strength class 8.8 for gearboxes with a flange-mounted design.
Note the following exceptions:
Table 4- 4
Gearbox
size
39
49
69
79
89
109
129
149
169
189
BA 2030
Operating Instructions, 02/2021, A5E37880173A/RS-AM
Thread size of the fastening bolt
Flange
Helical gearbox
E, D/Z
Size
A120
19, 29, 39
A140, A160
19, 29, 39, 49, 59
A200
39, 49, 59, 69
A250, A300
49, 59, 69, 79, 89,
109
A350
79, 89, 109, 129,
149
A450
89, 109, 129, 149,
169
A550
129, 149, 169, 189
A660
169, 189
Strength class of the fastening bolt for FF/FAF and KF/KAF
Flange
Strength class for motor size
90
100
112
A160
10.9
10.9
-
A200
8.8
10.9
10.9
A250
8.8
8.8
8.8
A250
8.8
8.8
8.8
A300
8.8
10.9
10.9
A350
8.8
8.8
8.8
A450
8.8
8.8
8.8
A450
-
8.8
8.8
A550
-
-
8.8
A660
-
-
8.8
4.5 Gearbox with flange fastening
Parallel shaft
Bevel gearbox
gearbox F
B, K
29
B19, B29
29, 39
B29, B39, K39
49
B39, B49, K49
69, 79, 89
K69, K79, K89
109
K109
129, 149
K129, K149
169
K169
189
K189
132
160
180
200
-
-
-
-
10.9
-
-
-
10.9
-
-
-
10.9
10.9
-
-
10.9
10.9
10.9
-
8.8
10.9
10.9
10.9
8.8
8.8
8.8
8.8
8.8
8.8
8.8
10.9
8.8
8.8
10.9
10.9
8.8
8.8
8.8
8.8
Installation
Helical worm
gearbox C
29
29, 39
49, 69
89
-
-
-
-
225
250
280
315
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
10.9
-
-
-
8.8
-
-
-
10.9
10.9
-
-
10.9
10.9
10.9
-
8.8
10.9
10.9
10.9
33
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