Teeth
21
Type of chain
06B-2
Pitch
3/8"
B
17
Tolerance (B)
H8
d
63.8
da external diameter
68
L
28.6
l1
5.3
l2
15.4
l4
12
N
40
N1
28
s1
1.7
s2
1.7
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