Module
3
Teeth
16
Teeth1
40
i ratio
1:1.25
A centre distance
81
A1
63
B
16
Tolerance (B)
H7
B1
20
Tolerance (B1)
H7
b tooth width
21.5
d
48
d1
120
da external diameter
55.7
da1
121.4
H
41.9
H1
47.9
L1
44
N
40.3
N1
60.3
n
19.6
n1
30