This Richmond castor has a swivel frame and features a polyurethane 125mm wheel. The code to order this castor is S5044B. This castors max capacity is 200kg. The swivel castor is assembled with roller bearings on the castors axle and is baseplate mount. This castor is mounted with a brake, but if you need it without a brake, search for S5044. This castors swivel frame allows for full 360° swivel rotation. The diameter of the wheel is 125mm, the wheel overall width is 35mm and you can order separately (See PU5508).