Module
3
Teeth
15
Teeth1
30
i ratio
1:2
A centre distance
66
A1
56
B
12
Tolerance (B)
H7
B1
16
Tolerance (B1)
H7
b tooth width
17
d
45
d1
90
da external diameter
52.2
da1
91.8
H
37.3
H1
42.1
L1
38
N
40.3
N1
55.3
n
19.9
n1
25