Braked castors made using a fabricated steel castor bracket, fitted with fitted with cast polyurethane on cast iron core fitted with 2 precision ball bearings.. These braked casters range from 100mm - 250mm and have a capacity up to 1300 Kg per caster. Polyurethane on cast iron centres are quiet , provide a soft cushioned ride and will not damage floors and are ideal where floor protection is important . Cast Polyurethane was once considered expensive few could or would buy even though its was the correct choice this prevented many from using. Typical applications for our PTBJ series castors are warehouse , automotive and where heavy duty castors are required. Cast 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.