LENZE
3
Helical gearbox dimensions
Gearbox with mounting flange for NEMA motors
3-131
L-force gearboxes en 06/2011
Gearbox
Overall length
size
k
04
293
293
318
05
323
323
348
380
06
349
349
374
406
07
405
430
462
530
538
09
493
525
593
601
614
11
550
582
650
658
671
14
740
748
761
Gearbox
GST
òò
-2N
òòò
Housing
k
1
k
2
Flange
a
3
b
3
c
3
e
3
f
3
s
3
Required
d
3
motor shafts
l
3
l
4
u
1
t
1
Drive size
5B
5C
5D
5E
5G
5H
6H
Corresponds to NEMA motor
56 C
56 C
143 TC
182 TC
213 TC
254 TC
284 TC
145 TC
184 TC
215 TC
256 TC
286 TC
104
104
119
151
206
209
222
145
145
180
180
265
300
300
170
170
170
230
300
300
300
114.3
+0.05
114.3
+0.05
114.3
+0.05
215.9
+0.07
215.9
+0.07
215.9
+0.07
266.7
+0.07
0
+0
+0
+0
+0
+0
+0
12
12
12
18
44
43
56
149.2
149.2
149.2
184.2
184.2
184.2
228.6
5
5
4
4
4
4
4
10.5
10.5
10.5
14
14
14
14
15.875
15.875
22.225
28.575
34.925
41.275
47.625
52.4
52.4
54.0
66.7
79.4
95.3
111.1
4.763
4.763
4.763
6.350
7.938
9.525
12.700
18.009
18.009
24.384
31.496
38.608
45.466
53.086
Dimensions in [mm]
For other dimensions, see Gearbox with mounting flange for IEC standard motors.