Our 150mm Polyurethane Tyred Wheel Richmond Castor - S6648SLB is in Richmond's large range of heavy duty castors. The wheel runs on Ball Bearings and the wheels diameter is 150mm (6"). This heavy duty castor has a load capacity of 500kg. This castor is also fitted with a swivel lock to prevent rotation on the swivel axis. This frame allows the castor to swivel 360°. The S6648SLB is fitted with a brake. Our 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.