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

Sizes, hardened teeth specifications, and bore finishings not proven in the dimensional chart are also available on an MTO basis. Contact a Tsubaki representative to find out more.

Fit Bore Series can be available with finished bores.

Sizes not shown in the dimensional chart are also available on an MTO basis (For instance: 20B, 56B). Get in touch with a Tsubaki representative to learn more