This wheel is mounted on conveyors to transport very smooth materials; indeed, the ultra-elastic wheel has a very strong grip. It can be easily mounted on wheels of display cases or sliding doors to minimize noise. The cast polyurethane is of very high quality and manufactured in France, the insert is prepared in advance with a very high-performance adhesive to ensure the long-term adhesion of the coating. The precision bearing 6304RS has increased longevity and sealed covers on each side to prevent dust ingress. The bearing can be easily replaced with a circlip pliers.