Module
1
Teeth
15
Teeth1
30
i ratio
1:2
A centre distance
22
A1
20
B
4
Tolerance (B)
H8
B1
5
Tolerance (B1)
H8
b tooth width
5
d
15
d1
30
da external diameter
17.4
da1
30.6
H
11.9
H1
15.1
L1
14
N
13.3
N1
20.3
n
6.5
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).