This is a swivel frame castor and uses a polyurethane wheel. This swivel castor is in the 300 series plate range and can safely take loads up to 200kg. It is assembled with roller bearings on the castors axle and is baseplate mount. The swivel frame design of this castor permits the load to be steered. The outside diameter of the polyurethane wheel is 100mm, the wheel width is 35mm.