Module
2.5
Teeth
16
Teeth1
48
i ratio
1:3
A centre distance
77.5
A1
46
B
12
Tolerance (B)
H7
B1
25
Tolerance (B1)
H7
b tooth width
20
d
40
d1
120
da external diameter
46.5
da1
120.7
H
37.2
H1
33.2
L
35
L1
30
N
30
N1
70
n
15.9
n1
15