BS standard (European regular) roller chains require special BS chain sprocket sprockets (RS sprockets/JIS standards cannot be used due to a different tooth width and outer diameter).

Sizes, hardened teeth specs, and bore finishings not demonstrated in the dimensional chart are also on an MTO basis. Contact a Tsubaki representative to learn more.

Fit Bore Series can be available with finished bores.

Sizes not demonstrated in the dimensional chart are also available on an MTO basis (For instance: 20B, 56B). Contact a Tsubaki representative to find out more