Module
5
Teeth
20
Teeth1
40
i ratio
1:2
A centre distance
124.3
A1
86.3
B
25
Tolerance (B)
H7
B1
35
Tolerance (B1)
H7
b tooth width
40
d
100
d1
200
da external diameter
109.4
da1
204.7
H
61.4
H1
56.9
L
55
L1
50
N
70
N1
120
n
20
n1
20