100mm Equipment Cast Nylon Wheel fitted into an additional powerful Fabricated Prime Plate Swivel Castor having a double thrust bearing from the swivel head to optimise the load capacity. The repairing bolt spacings are the ecu Standard dimensions of 80x60mm. The load potential of this castor is 900kg at 4km/hThis https://castors42963.activoblog.com/13242035/the-smart-trick-of-heavy-duty-castors-that-no-one-is-discussing