Module
3.5
Teeth
16
Teeth1
40
i ratio
1:1.25
A centre distance
97
A1
73
B
20
Tolerance (B)
H7
B1
25
Tolerance (B1)
H7
b tooth width
22.6
d
56
d1
140
da external diameter
65
da1
141.6
H
49.1
H1
54.6
L1
50
N
45.3
N1
80.3
n
25
n1
35