Module
1.5
Teeth
15
Teeth1
60
i ratio
1:4
A centre distance
57
A1
42
B
8
Tolerance (B)
H7
B1
16
Tolerance (B1)
H7
b tooth width
11
d
22.5
d1
90
da external diameter
26.7
da1
90.4
H
23
H1
34
L1
31
N
20.3
N1
50.3
n
11.7
n1
25