Module
2.5
Teeth
16
Teeth1
40
i ratio
1:1.25
A centre distance
70
A1
52
B
12
Tolerance (B)
H7
B1
16
Tolerance (B1)
H7
b tooth width
19
d
40
d1
100
da external diameter
46.4
da1
101.1
H
38.4
H1
39.8
L1
36
N
32.3
N1
55.3
n
18.5
n1
25