Module
4.5
Teeth
16
Teeth1
40
i ratio
1:1.25
A centre distance
117
A1
83
B
25
Tolerance (B)
H7
B1
30
Tolerance (B1)
H7
b tooth width
30
d
72
d1
180
da external diameter
83.6
da1
182.1
H
56.3
H1
59.7
L1
53
N
60.3
N1
80.3
n
24.6
n1
35