Module
4
Teeth
15
Teeth1
60
i ratio
1:4
A centre distance
145
A1
82
B
20
Tolerance (B)
H7
B1
30
Tolerance (B1)
H7
b tooth width
30
d
60
d1
240
da external diameter
71.1
da1
241.1
H
55.1
H1
60.8
L1
53
N
50.3
N1
90.3
n
23
n1
40