Schematic

18.1
0.71
R
https://www.pololu.com/category/115/25d-mm-gearmotors
Scale: 1:1
Name:
Units:
Drawing date:
mm
[in]
Material:
© 2019 Pololu Corporation
mixed
Item number:
Metal Gearmotor 25D mm
(without encoder)
8 February 2019
1570-1577, 1581-1591, 3201-
3207, 3225-3233, 3249-3258
Depth of mounting holes is 6.0 mm [0.24 in].1.
To get the specified scale, select 100% in print settings.2.
Dev code:
—
2×M3
8.5
0.33
8.5
0.33
25.0
0.98
Gear ratio
L
4.4:1
17 mm [0.68 in]
9.7:1
20.4:1
19 mm [0.75 in]
34:1
21 mm [0.83 in]
47:1
75:1
23 mm [0.91 in]
99:1
172:1
25 mm [0.98 in]
227:1
378:1
27 mm [1.06 in]
499:1
1.
1.
24.4
0.96
0.3
0.01
2.1
0.08
6.4
0.25
2.5
0.10
7.0
0.28
3.5
0.14
4.0
0.16
12.5
0.49
L
30.8
1.21
1.5
0.06
4.2
0.17