BS standard (European standard) roller chains require particular BS sprockets (RS sprockets/JIS standards can't be used due to a different tooth width and outer diameter).
Sizes, hardened teeth specifications, and bore finishings not demonstrated in the dimensional chart are also on an MTO basis. Get in touch with a Tsubaki representative for more information.
Fit Bore Series can be available with finished bores.
Sizes not proven in the dimensional chart are also available on an MTO basis (For instance: 20B, 56B). Get in touch with a Tsubaki representative to find out more