Module
2.5
Teeth
15
Teeth1
45
i ratio
1:3
A centre distance
73
A1
52
B
12
Tolerance (B)
H7
B1
20
Tolerance (B1)
H7
b tooth width
18
d
37.5
d1
112.5
da external diameter
44.2
da1
113.4
H
34.6
H1
39.7
L1
36
N
32.3
N1
60.3
n
15.9
n1
25