Module
4.5
Teeth
15
Teeth1
30
i ratio
1:2
A centre distance
94
A1
81
B
20
Tolerance (B)
H7
B1
30
Tolerance (B1)
H7
b tooth width
26
d
67.5
d1
135
da external diameter
78.3
da1
137.6
H
51.4
H1
60.3
L1
53
N
60.3
N1
80.3
n
24.7
n1
35