Module
3.5
Teeth
15
Teeth1
30
i ratio
1:2
A centre distance
79
A1
61
B
16
Tolerance (B)
H7
B1
20
Tolerance (B1)
H7
b tooth width
20.5
d
52.5
d1
105
da external diameter
60.9
da1
107.1
H
46.1
H1
45
L1
40
N
45.3
N1
60.3
n
24.7
n1
25