Castor wheels with plate attachment and wheel with polyurethane tread 500 - 800kg

Swivel castor, housing made of very heavy pressed steel, reinforced, bright zinc plated, blue passivated, sealed swivel double ball bearing, reinforced and heat-treated ball covers, riveted king pin, dust ring with integrated grease nipple, wheel axle with nut, plate fitting. Wheel centre made of Aluminium, Tread: Polyurethane, casted, precision ball bearing