Two component solid rubber tyre, wheel x width 180 x 50 mm, swivel castor. Supplied = assembled. Wheel diameter = 180 mm. Structure = swivel castor. Wheel material = rubber - solid rubber - semi-elastic. Material of rim = sheet steel, galvanised. Housing material = steel. Max. load at 4 km/h = 300 kg. Type of mounting = with top plate. Wheel width = 50 mm. Overall height = 215 mm. Wheel bearing = roller bearing. Temperature resistance = -25 C to +80 C. Swivel castor offset = 60 mm. Screw hole diameter = 11 mm. Hub length = 60 mm. Hub bore = 20 mm. Fixed castor plate dimensions = 140x110 mm. Swivel castor plate dimensions = 140x110 mm. Screw hole spacing = 105x75 - 80 mm. Housing surface = zinc plated blue passivated. Shore hardness = 65 A. On sheet steel rims. Very smooth running. Non-marking. Hardness 65 Shore A. Temperature resistant from -25 C to +80 C. Tyres made of two-component solid rubber with hard tyre bed and highly elastic running surface, black. In comparison to solid rubbe