Module
1.5
Teeth
15
Teeth1
30
i ratio
1:2
A centre distance
35
A1
32
B
8
Tolerance (B)
H7
B1
8
Tolerance (B1)
H7
b tooth width
9
d
22.5
d1
45
da external diameter
26.1
da1
45.9
H
21.1
H1
25.2
L1
23
N
20.3
N1
32.3
n
11.9
n1
16