8157-21-45-PTBS
Split drive sprocket, machined from solid,
with guide rings in polyamide, 21 teeth,
bore 45 mm with keyway, width: 63 mm,
hub width: 57 mm, for chains series 8157
and 8857 M, screws and parallel dowel pins
in stainless steel, inserts in nickel plated brass
with guide rings in polyamide, 21 teeth,
bore 45 mm with keyway, width: 63 mm,
hub width: 57 mm, for chains series 8157
and 8857 M, screws and parallel dowel pins
in stainless steel, inserts in nickel plated brass
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