Finished Bore Series FB40B
SIZE40
PITCH1/2"
INSIDE WIDTH5/16"
ROLLER DIA.312"
TOOTH WIDTH (T)0.284
When a tensional sprocket is
assembled, tension the chain
according to drawing a fist, then
tightening the compression nut.
After this, turn the eccentric pin
to the tensional situation by
using an iron bar. Tighten the
clamp nut last.