Module
3
Teeth
16
Teeth1
48
i ratio
1:3
A centre distance
86.6
A1
53.1
B
15
Tolerance (B)
H7
B1
30
Tolerance (B1)
H7
b tooth width
25
d
48
d1
144
da external diameter
53.5
da1
145.6
H
38.9
H1
38.8
L
36
L1
35
N
40
N1
70.2
n
13.3
n1
20