All about motors and gearheads
RM345 OEM Gearboxes PMDC Compact & Geared Motors
1. Gearhead Type |
2. Motor Length In. (mm) |
3. Voltage DC |
SG4 Type |
2 |
1.827 (46.4) |
A |
12V |
SP4 Type |
3 |
2.205 (56.0) |
B |
24V |
SR4 Type |
4 |
2.406 (61.1) |
C |
Other |
SQ4 Type |
5 |
2.705 (68.7) |
|
|
6 |
77.6 (3.055) |
|
4. Gear Ratio |
5. Connector Optional |
6. Output Shaft |
395.7 ~ 3105.2 |
T |
Terminal |
M |
Key & D cut |
|
L |
Lead Wire |
K |
Key |
|
D |
D cut |
|

- Permissible Torque of Gearbox
Type |
Gear Ratio |
395.7 |
1218.1 |
1412.5 |
1620.7 |
1709.9 |
3238.2 |
SG42B[ ][ ] |
No Load rpm |
17.7 |
5.8 |
5 |
4.3 |
4.1 |
2.2 |
N-m |
4.07 |
11.28 |
13.08 |
15.01 |
15.83 |
29.98 |
oz-in |
576.4 |
1596.9 |
1851.9 |
2124.8 |
2241.8 |
4245.2 |
kgf×cm |
41.54 |
115.08 |
133.45 |
153.12 |
161.55 |
305.92 |
SG43B[ ][ ] |
No Load rpm |
15.1 |
4.9 |
4.2 |
3.7 |
3.5 |
1.9 |
N-m |
8.4 |
23.26 |
26.97 |
30.95 |
32.65 |
33.81 |
oz-in |
118.8 |
3293.8 |
3819.5 |
4382.4 |
4623.6 |
4787.5 |
kgf×cm |
85.67 |
237.36 |
275.24 |
315.81 |
333.19 |
345 |
SG44B[ ][ ] |
No Load rpm |
15.5 |
5.1 |
4.4 |
3.8 |
3.6 |
1.9 |
N-m |
10.94 |
30.31 |
33.81 |
33.81 |
33.81 |
33.81 |
oz-in |
1549.2 |
4292 |
4787.5 |
4787.5 |
4787.5 |
4787.5 |
kgf×cm |
111.64 |
309.29 |
345 |
345 |
345 |
345 |
SG45B[ ][ ] |
No Load rpm |
16 |
5.2 |
4.5 |
3.9 |
3.7 |
2 |
N-m |
12.47 |
33.81 |
33.81 |
33.81 |
33.81 |
33.81 |
oz-in |
1765.3 |
4787.5 |
4787.5 |
4787.5 |
4787.5 |
4787.5 |
kgf×cm |
127.21 |
345 |
345 |
345 |
345 |
345 |
SG46B[ ][ ] |
No Load rpm |
12.4 |
4 |
3.5 |
3 |
2.9 |
1.5 |
N-m |
17.3 |
33.81 |
33.81 |
33.81 |
33.81 |
33.81 |
oz-in |
2449.8 |
4787.5 |
4787.5 |
4787.5 |
4787.5 |
4787.5 |
kgf×cm |
176.54 |
345 |
345 |
345 |
345 |
345 |
|

- Permissible Torque of Gearbox
Type |
Gear Ratio |
32.4 |
73.5 |
148.8 |
253 |
747.5 |
3105.2 |
SP42B[ ][ ] |
No Load rpm |
216.5 |
95.4 |
47.1 |
27.7 |
9.4 |
2.3 |
N-m |
0.37 |
0.84 |
1.53 |
2.6 |
6.92 |
11.27 |
oz-in |
52.5 |
118.9 |
216.8 |
368.6 |
980 |
1595.8 |
kgf×cm |
3.78 |
8.57 |
15.62 |
26.56 |
70.62 |
115 |
SP43B[ ][ ] |
No Load rpm |
185 |
81.5 |
4o0.3 |
23.7 |
8 |
1.9 |
N-m |
0.76 |
1.73 |
3.16 |
5.37 |
11.27 |
11.27 |
oz-in |
108.1 |
245.3 |
447.1 |
760.2 |
1595.8 |
1595.8 |
kgf×cm |
7.79 |
17.68 |
32.22 |
54.78 |
115 |
115 |
SP44B[ ][ ] |
No Load rpm |
189.8 |
83.7 |
41.3 |
24.3 |
8.2 |
2 |
N-m |
1 |
2.03 |
4.11 |
7 |
11.27 |
11.27 |
oz-in |
141 |
287.8 |
582.5 |
990.5 |
1595.8 |
1595.8 |
kgf×cm |
10.16 |
20.74 |
41.98 |
7.138 |
115 |
115 |
SP45B[ ][ ] |
No Load rpm |
195.9 |
86.4 |
42.7 |
25.1 |
8.5 |
2 |
N-m |
1.13 |
2.57 |
4.69 |
7.97 |
11.27 |
11.27 |
oz-in |
160.6 |
364.3 |
663.9 |
1128.7 |
1595.8 |
1595.8 |
kgf×cm |
11.57 |
26.25 |
47.84 |
81.34 |
115 |
115 |
SP46B[ ][ ] |
No Load rpm |
151.7 |
66.9 |
33 |
19.4 |
6.6 |
1.6 |
N-m |
1.57 |
3.57 |
6.51 |
11.06 |
11.27 |
11.27 |
oz-in |
222.9 |
505.7 |
921.3 |
1566.4 |
1595.8 |
1595.8 |
kgf×cm |
16.06 |
36.44 |
66.39 |
112.88 |
115 |
115 |
|

- Permissible Torque of Gearbox
Type |
Gear Ratio |
58.8 |
62.5 |
124.9 |
144 |
192 |
SR42B[ ][ ] |
No Load rpm |
119.3 |
11.2 |
56.2 |
48.7 |
36.5 |
N-m |
0.75 |
0.79 |
1.43 |
1.65 |
2.19 |
oz-in |
105.7 |
112.4 |
202.2 |
233.1 |
310.7 |
kgf×cm |
7.62 |
8.1 |
14.57 |
16.8 |
22.39 |
SR43B[ ][ ] |
No Load rpm |
101.9 |
95.9 |
48 |
41.6 |
31.2 |
N-m |
1.54 |
1.64 |
2.94 |
3.39 |
4.53 |
oz-in |
218.1 |
231.9 |
217 |
480.7 |
641 |
kgf×cm |
15.72 |
16.71 |
30.05 |
34.64 |
46.19 |
SR44B[ ][ ] |
No Load rpm |
104.6 |
98.4 |
49.2 |
42.7 |
32 |
N-m |
2.01 |
2.13 |
3.84 |
4.42 |
5.9 |
oz-in |
284.2 |
302.1 |
543.3 |
626.4 |
835.2 |
kgf×cm |
20.48 |
21.77 |
39.15 |
45.14 |
60.19 |
SR45B[ ][ ] |
No Load rpm |
108 |
101.6 |
50.8 |
44.1 |
33.1 |
N-m |
2.29 |
2.43 |
4.37 |
5.04 |
6.72 |
oz-in |
323.9 |
344.3 |
619.2 |
713.8 |
951.7 |
kgf×cm |
23.34 |
24.81 |
44.62 |
51.44 |
68.58 |
SR46B[ ][ ] |
No Load rpm |
83.6 |
78.7 |
39.4 |
34.1 |
25.6 |
N-m |
3.17 |
3.37 |
6.07 |
7 |
9.33 |
oz-in |
449.5 |
477.8 |
857.3 |
990.5 |
1320.8 |
kgf×cm |
32.39 |
34.43 |
61.92 |
71.38 |
95.18 |
|

- Permissible Torque of Gearbox
Type |
Gear Ratio |
38.5 |
68.4 |
148.8 |
192 |
225 |
253 |
517.6 |
747.5 |
1240.2 |
3105.2 |
SQ42B[ ][ ] |
No Load rpm |
182.2 |
102.6 |
48.7 |
41.5 |
36.5 |
31.2 |
15.8 |
13.6 |
8.3 |
5.7 |
N-m |
0.44 |
0.78 |
1.65 |
1.93 |
2.2 |
2.57 |
4.57 |
5.33 |
8.69 |
12.76 |
oz-in |
62.3 |
110.7 |
233.1 |
273.5 |
311 |
364.1 |
646.7 |
754.1 |
1230.6 |
1806.6 |
kgf×cm |
4.49 |
7.98 |
16.8 |
19.71 |
22.41 |
26.24 |
46.6 |
54.34 |
88.68 |
130.19 |
SQ43B[ ][ ] |
No Load rpm |
155.7 |
87.6 |
41.6 |
35.5 |
31.2 |
26.6 |
13.5 |
11.6 |
7.1 |
4.8 |
N-m |
0.91 |
1.61 |
3.39 |
3.98 |
4.53 |
5.3 |
9.42 |
10.98 |
14.21 |
14.21 |
oz-in |
128.5 |
228.3 |
480.7 |
564.2 |
641.2 |
751.2 |
1334 |
1555.2 |
2012.1 |
2012.1 |
kgf×cm |
9.26 |
16.45 |
34.64 |
40.66 |
46.21 |
54.13 |
96.13 |
112.07 |
145 |
145 |
SQ44B[ ][ ] |
No Load rpm |
159.8 |
89.9 |
42.7 |
36.4 |
32 |
27.3 |
13.9 |
11.9 |
7.3 |
5 |
N-m |
1.18 |
2.1 |
4.42 |
5.19 |
5.9 |
6.91 |
12.28 |
14.21 |
14.21 |
14.21 |
oz-in |
167.5 |
297.5 |
626.4 |
735.2 |
835.7 |
978.7 |
1738.2 |
2012.1 |
2012.1 |
2012.1 |
kgf×cm |
12.07 |
21.44 |
45.14 |
52.98 |
60.22 |
50.53 |
125.26 |
145 |
145 |
145 |
SQ45B[ ][ ] |
No Load rpm |
164.9 |
92.8 |
44.1 |
37.6 |
33 |
28.2 |
14.3 |
12.3 |
7.5 |
5.1 |
N-m |
1.35 |
2.39 |
5.04 |
5.92 |
6.72 |
7.88 |
13.99 |
14.21 |
14.21 |
14.21 |
oz-in |
190.8 |
339 |
713.8 |
837.7 |
952.2 |
1115.3 |
1980.8 |
2012.1 |
2012.1 |
2012.1 |
kgf×cm |
13.75 |
24.43 |
51.44 |
60.37 |
68.62 |
80.37 |
142.74 |
145 |
145 |
145 |
SQ46B[ ][ ] |
No Load rpm |
127.7 |
71.9 |
34.1 |
34.1 |
25.6 |
21.8 |
11.1 |
9.5 |
5.8 |
4 |
N-m |
1.87 |
3.32 |
7 |
8.21 |
9.33 |
10.93 |
14.21 |
14.21 |
14.21 |
14.21 |
oz-in |
264.9 |
470.6 |
990.5 |
1162.6 |
1321.5 |
1547.8 |
2012.1 |
2012.1 |
2012.1 |
2012.1 |
kgf×cm |
19.09 |
33.91 |
71.38 |
83.78 |
95.23 |
111.54 |
145 |
145 |
145 |
145 |
|