Module
1
Teeth
15
Teeth1
30
i ratio
1:2
A centre distance
26.3
A1
20.8
B
5
Tolerance (B)
H9
B1
8
Tolerance (B1)
H9
b tooth width
6.4
d
15
d1
30
da external diameter
16.6
da1
31
H
17.1
H1
16
L1
14.7
N
12.2
N1
18
n
10.5
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).