This Richmond Wheel and Castor Co. castor consists of a rigid frame and is fitted with a rebound rubber 200mm wheel. The stock code for this castor R8043. 250kg is the maximum load capacity for the R8043. The rigid castor wheel is fitted with ball bearings and is baseplate mount. This castors rigid frame allows for steering only when used with swivel castors. The overall wheel diameter is 200mm, the wheel overall width is 45mm and you can order separately (See RR8871).