This castor manufactured by Richmond Wheel and Castor Co. consists of a rigid frame and has a nylon 100mm wheel. The stock code for this castor R4033. The top load capacity of the R4033 is 200kg. The rigid castor wheel is fitted with plain bearings and is mounted with the baseplate. The rigid frame allows for linear movement and steering can be achieved by using in conjunction with swivel castors. The outside diameter of the wheel is 100mm, the wheel overall width is 35mm and can be purchased separately (NY401).