Module
4.5
Teeth
15
Teeth1
45
i ratio
1:3
A centre distance
128
A1
87
B
25
Tolerance (B)
H7
B1
30
Tolerance (B1)
H7
b tooth width
28.5
d
67.5
d1
202.5
da external diameter
79.5
da1
204.2
H
55.2
H1
63.9
L1
57
N
55.3
N1
90.3
n
24.8
n1
40