Steel welded heavy duty double swivel castor, wheel Ø x width 80 x 40 mm, max. load 1750 kg. Supplied = assembled. Wheel material = plastic. Material of rim = cast nylon. Max. load at 4 km/h = 1750 kg. Type of mounting = with top plate. Wheel width = 40 mm. Overall height = 125 mm. Wheel bearing = ball bearing. Swivel castor plate dimensions = 140x110 mm. Particularly robust welded steel construction, electrolytically zinc plated, yellow passivated, Cr6 free. For floors that are sensitive to pressure, observe surface pressure. Tested in accordance with EN 12530. Axial deep groove ball bearings ISO 104 and tapered roller bearings ISO 355 in the ring bearing. Welded, very stable centre bolt, screwed and secured. Dust and splash water protected. Lubrication nipple. High quality cast nylon, reaction cast, does not break, hardness 80 Shore D, natural beige. High chemical resistance to many aggressive media. Reduced moisture absorption. Temperature resistance: -20 °C to +80 °C, reduced max. load above +35 °C. Steel welded heavy duty double swivel castor, heavy duty ring bearing model, heavy duty wheel made of cast nylon.