Roller Chains We have RS and RF Type roller chains to provide you with a sprocket kit for your required solutions. All SpecsRS TYPE ROLLER CHAINS RF TYPE LARGE SIZE CONVEYOR CHAINS ISO Roller Chain Double Pitch Roller Chain R Type Double Pitch Roller Chain S Type Product Gallery ANSI ROLLER CHAIN ANSI ROLLER CHAIN ISO ROLLER CHAIN ISO ROLLER CHAIN DOUBLE PITCH SPROCKETS - R-Type DOUBLE PITCH SPROCKETS - R-Type DOUBLE PITCH SPROCKETS - S-Type DOUBLE PITCH SPROCKETS - S-Type