The 150mm Polyurethane Tyred Wheel Richmond Castor is part of the range of heavy industrial castors. The wheel features Roller Bearings and the wheel diameter is 150mm (6″). The Polyurethane Tyred Cast Iron Centred wheel can viewed here. This heavy industrial castor has a load capacity of 250kg. This castor is also fitted with a swivel lock to prevent rotation on the swivel axis. Swivel castors such as this one allow full swivel rotation of the wheel. Polyurethane wheels are designed for durability, movability, shock absorbsion and long life. This castor is quite versatile however it is popular in environments where floor protection and noise reduction is important.