Demag Cranes & Components [India] Private Limited manufactures RS Wheel Block System. Demag Cranes & Components [India] Private Limited is an ISO 9001 certified company. The RS Wheel Block System consists of a housing welded together from two sheet steel halves with an integrated travel wheel. The system is designed for simple assembly in your facility. The varied connection possibilities also make it simple to add it to existing installations in your company at a later date. The RS Wheel Block System is deigned for high temperature applications up to 150 Degree C or - with furnace carriage bearings up to 350 Degree C.