Elastic solid rubber tyre, black, wheel x width 200 x 50 mm, swivel castor with double stop. Supplied = assembled. Wheel diameter = 200 mm. Structure = swivel castor with double stop. Wheel material = rubber - solid rubber - full elastic. Material of rim = aluminium. Housing material = steel. Max. load at 4 km/h = 400 kg. Type of mounting = with top plate. Wheel width = 50 mm. Overall height = 235 mm. Wheel bearing = precision ball bearing. Temperature resistance = -20 C to +70 C. Swivel castor offset = 54 mm. Screw hole diameter = 11 mm. Hub length = 60 mm. Hub bore = 20 mm. Design of wheel rims = honeycomb rim. Fixed castor plate dimensions = 135x110 mm. Swivel castor plate dimensions = 135x110 mm. Screw hole spacing = 105x80 mm. Housing surface = zinc plated. Shore hardness = 70 A. On aluminium rim. Low rolling resistance, quiet running. Very smooth running, low rolling resistance. Hardness 70 Shore A. Temperature resistant from -20 C to +70 C. Vulcanised running surface. Swivel bea