Module
1.5
Teeth
15
Teeth1
75
i ratio
1:5
A centre distance
72
A1
42
B
8
Tolerance (B)
H7
B1
16
Tolerance (B1)
H7
b tooth width
12
d
22.5
d1
112.5
da external diameter
26.7
da1
112.8
H
27.8
H1
33.7
L1
30
N
20.3
N1
50.3
n
15
n1
20