Teeth
18
Type of chain
08B-2
Pitch
1/2"
B
17
Tolerance (B)
K6
d
73.1
da external diameter
79
L
18.3
l1
7.2
l2
21
l4
12
N
40
s1
4.5
s2
4.5
IMPORTANT: Before mounting the ball bearings should not be heated or washed due to the fact that they are lifetime greased and sealed. Operating temperature -20° C to +90° C