Module
0.5
Teeth
40
B
4
Tolerance (B)
H9
b tooth width
3
c
2
D
14.8
d
20
da external diameter
21
L
10
N
12
The bores of these plastic gears are machined with a reamer H7. 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).