Module
4.5
Teeth
16
Teeth1
24
i ratio
1:1.5
A centre distance
83
A1
81
B
20
Tolerance (B)
H7
B1
25
Tolerance (B1)
H7
b tooth width
20
d
72
d1
108
da external diameter
81.4
da1
111.7
H
47.6
H1
57.8
L1
52
N
60.3
N1
80.3
n
25.1
n1
35