This Heavy Duty Rubber Swivel Castor has a 460mm diameter and has a 1140kg load capacity. These swivel castors are made of a zinc plated welded housing which ensures the castors is robust enough and suitable for a variety of environments. These castors have a pneumatic rubber wheel, are suitable for heavy duty baggage trolleys, runway equipment and general heavy duty purposes. These castors have a durable welded steel construction, with a strong welded central kingpin and a bolted wheel axle. The heavy duty pneumatic rubber wheel is steel wire reinforced, making it not only smooth to manoeuvre but extremely hardwearing for rugged environments. With a fitted grease fitting means that you can grease the wheel easily and an axial grooved ball bearing DIN 711 and tapered roller bearing DIN 720 in the swivel head making this dust and splash-proof.