Fixed castor with a Heavy Pressed Steel castor bracket, fitted with a Polyurethane On Aluminium Centre wheel fitted with 2 precision ball bearings. These fixed ridged casters range from 100mm-250mm and have a capacity up to 800Kg per caster. Polyurethane on Aluminium Centre castors offer high load capacity with light weight. They have excellent rolling resistance and offer floor protection. They are used where a light weight is critical but a high load castor is required; like in the aviation industry. Polyurethane was once so expensive few could or would buy even though its was the correct choice this prevented many from using. Our aim has to always offer value for money our polyurethane is now become much more popular and the cost have come down. We recommend all food companies to use this very versatile castor you want be disappointed. Our polyurethane tyred wheels are manufactured using only the highest quality materials ensuring product satisfaction. Polyurethane tyres provides a very smooth and cushioned ride and will help reduce any likely vibration and limit bracket fatigue.