Martin 40A57 Type A Single Strand Solid Stock Bore Roller Chain Sprocket, 0.719 in Dia Bore, 9.363 in OD, #40 Chain, 57 Teeth, 1/2 in Pitch, Steel
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, 0.719 in Bore, 9.363 in OD, #40 Chain, 57 Teeth, 1/2 in Pitch, 9.076 in Pitch Diameter, 1-1/8 in Length Through Bore, Steel
| Standard/Approvals | : | ANSI B29.1 - 1975|CEMA Standard|ECCN: EAR99|MPTA Approved|NIBA Certified|PTDA Approved |