Module
3
Teeth
20
Teeth1
30
i ratio
1:1.5
A centre distance
59.3
A1
53.9
B
15
Tolerance (B)
H7
B1
20
Tolerance (B1)
H7
b tooth width
25
d
60
d1
90
da external diameter
65.3
da1
93.5
H
35.9
H1
39
L
32
L1
35
N
40
N1
50
n
10
n1
15