Module
2.5
Teeth
10
Teeth1
30
i ratio
1:3
A centre distance
52.4
A1
35.8
B
8
Tolerance (B)
H9
B1
18
Tolerance (B1)
H9
b tooth width
15.2
d
25
d1
75
da external diameter
29.6
da1
77.2
H
28.7
H1
29
L1
25
N
18.8
N1
36
n
13
n1
15.9
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).