100mm Top Plate Fixed Castor with a Black Rubber T... Read Moreyre Wheel on a Pressed Steel centre complete with Thread Guards. It has 80x60mm bolt hole centres and a load capacity of 70kg using manual propulsion at 4km/h.This popular general purpose castor is fitted with a Black Rubber Tyre Wheel that is gentle on floors. The Caster wheel has a roller bearing that offers low rolling resistance. It is ideal as a new or replacement castor for most domestic or industrial applications such as a trolley or dolly where the travel speed of the castor generally does not exceed walking speed.