Module
1
Teeth
21
B
5
Tolerance (B)
H9
b tooth width
9
c
6
D
16
d
21
da external diameter
23
L
17
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).