Module
1
Teeth
16
Teeth1
40
i ratio
1:2.5
A centre distance
28
A1
20
B
4
Tolerance (B)
H8
B1
8
Tolerance (B1)
H8
b tooth width
7
d
16
d1
40
da external diameter
18.6
da1
40.4
H
14.4
H1
14.8
L1
14
N
13
N1
25
n
7.4
n1
9
The bores of these plastic gears are machined with a reamer H9. Due to the material, it is possible that a size reduction to the bore diameter of 0.02 to 0.04 mm can occur (temperature, air humidity).