Module
3
Teeth
15
Teeth1
30
i ratio
1:2
A centre distance
63.3
A1
49.9
B
14
Tolerance (B)
H9
B1
18
Tolerance (B1)
H9
b tooth width
20.3
d
45
d1
90
da external diameter
50
da1
92.5
H
36.4
H1
37.5
L
34.8
L1
33.8
N
31.2
N1
45
n
15.3
n1
19
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).