Bulk conveyors are widely used in sectors such as: ports, port terminals, mining, cement and asphalt plants, cattlehouses and power plants, quarrying, recycling - crumbling and decomposition, waste management. It is well established that a modern and economic conveyor will serve longer and will be more efficient in choosing high-quality components. A sealing system that protects bearings is particularly important in seeking efficiency. One of the world's leading manufacturers of bulk handling , Rulmeca, has been well aware of this requirement and heavy tested all its manufactured production. Components are produced in accordance with all known national and international standards: ISO, UNI, DIN, AFNOR, FEM, BS, JIS, SANS, CEMA, etc. Output has been welcomed by customers around the world and therefore Rulmeca is the market leader in this segment.