8157-23-SW41-PTBS
Split drive sprocket, machined from solid,
with guide rings in polyamide, 23 teeth,
bore SW41 H8, for hexagonal shaft 41 mm h11,
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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