Module
5
Teeth
18
Teeth1
45
i ratio
1:2.5
A centre distance
85
A1
83.9
B
25
Tolerance (B)
H7
B1
40
Tolerance (B1)
H7
b tooth width
40
d
90
d1
225
da external diameter
99.3
da1
228.7
H
60.8
H1
56.9
L
55
L1
50
N
60
N1
100
n
17.4
n1
20