Martin 120A11 Stock Bore Type A Single Pitch Roller Chain Sprocket, 1-1/4 in Dia Bore, 6.009 in OD, #120 Chain, 11 Teeth, 1-1/2 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 Single Pitch Roller Chain Sprocket, Stock Bore Type A, 1-1/4 in Bore Dia, 6.009 in Outside Dia, #120 Chain, 11 Teeth, 1-1/2 in Pitch, 5.324 in, 3-9/16 in Hub Dia, 0.924 in Length Through Bore, Steel
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