This Richmond Wheel and Castor Co. castor has a swivel frame and is fitted with a rebound rubber 100mm wheel. The stock code for this castor S4042. The top load capacity of the S4042 is 150kg. The swivel castor wheel is fitted with ball bearings and is mounted with the baseplate. To purchase this castor fitted with a brake, see S4042B. The swivel frame of this castor permits the load to be steered. The outside diameter of the wheel is 100mm, the wheel overall width is 35mm and can be purchased separately (RR4077).