24B-2 hardened hub sprockets

24B-2 hardened hub sprockets have two tooth rims for duplex 24B-2 chain of 1 1/2" (38.1 mm) pitch to DIN 8187 / ISO 606. The teeth on both rims are induction-hardened.

24B-2 hardened sprocket - longer running of a very high-torque drive

A 24B duplex drive transmits very high torque, and a hardened driving sprocket lets it run longer without replacement. The C45 steel hub remains soft, so you can bore the hole to the shaft size.

24B-2 hardened duplex sprockets for driving sprockets

24B-2 duplex sprockets in C45 steel with teeth hardened to 45-55 HRC, in a choice of tooth counts typical of driving sprockets. 24B duplex sprockets with unhardened teeth can be found in the Hub sprockets group, and duplex plate wheels without a hub - in the Plate sprockets group.

Questions and answers: 24B-2 hardened duplex sprockets

How should a spare hardened sprocket be stored?

In a dry place, protected against corrosion with oil or preservative grease - hardening does not protect steel against rust.