Module
4
Teeth
15
Teeth1
45
i ratio
1:3
A centre distance
117
A1
77
B
20
Tolerance (B)
H7
B1
30
Tolerance (B1)
H7
b tooth width
27.5
d
60
d1
180
da external diameter
70.7
da1
181.5
H
54.3
H1
57
L1
51
N
50.3
N1
80.3
n
25.4
n1
35