Roller Chain Sprocket, Type A Single Strand Solid Stock Bore, 40 mm Bore, 532.06 mm Outside Diameter, #24B-1 Chain, 42 Teeth, 38.1 mm Pitch, 509.835 mm Pitch Diameter, 95 mm Length Through Bore, Steel

Metric A plates are flat sprockets with no hub extension on either side. They can be altered for your application with bolt holes, custom bores, hardened teeth or special hubs welded to them. Martin Roller Chain Sprocket, Type A Single Strand Solid Stock Bore, 40 mm Bore, 532.06 mm OD, #24B-1 Chain, 42 Teeth, 38.1 mm Pitch, 509.835 mm Pitch Diameter, 95 mm Length Through Bore, Steel