Module
1
Teeth
15
Teeth1
45
i ratio
1:3
A centre distance
28.5
A1
20.2
B
5
Tolerance (B)
H7
B1
6
Tolerance (B1)
H7
b tooth width
5
d
15
d1
45
da external diameter
16.9
da1
45.6
H
11
H1
15
L
10
L1
13
N
13
N1
22
n
5
n1
8