Pressed steel swivel castor, medium heavy duty brackets, with top plate fitting, Heavy duty wheel with elastic solid rubber tyres ‘Blickle EasyRoll’, with nylon wheel centreBracket: Made of heavy pressed steel, swivel bracket with double ball bearing in the swivel head, swivel head seals. The special Blickle dynamic riveting process of the swivel head results in minimal swivel head play and smooth rolling characteristics with an increased service life achieved by the work hardening of the ball race grooves. Bolted wheel axle. Zinc-plated, blue-passivated, Cr6-free.Wheels: Tyre & running tread: Made of high-quality elastic solid rubber in smooth rolling quality “Blickle EasyRoll”. Color: black, Shore: 65° Shore AChemical resistance to many aggressive substances, except oils. Operating temperature: -25° C to +80° C, temporarily up to +100° C. At ambient temperatures above +60° C the load capacity is reduced.