PU tyre, colourless, on aluminium rim, wheel x width 100 x 40 mm, 2+ items, swivel castor. Supplied = assembled. Wheel diameter = 100 mm. Structure = swivel castor. Wheel material = polyurethane (PU) Material of rim = aluminium. Housing material = steel. Max. load at 4 km/h = 250 kg. Type of mounting = with top plate. Wheel width = 40 mm. Overall height = 128 mm. Wheel bearing = double ball bearing. Temperature resistance = -20 C to +60 C. Swivel castor offset = 40 mm. Screw hole diameter = 8 mm. Hub length = 40 mm. Hub bore = 12 mm. Fixed castor plate dimensions = 105x80 mm. Swivel castor plate dimensions = 105x80 mm. Screw hole spacing = 80/77x60 mm. Housing surface = zinc plated by galvanization. Shore hardness = 95 A. Low rolling resistance, does not damage floors, non-marking. Durable under high loads. Hardness 95 Shore A. Temperature resistant from -20 C to +60 C. Sheet steel housing, electrolytically zinc plated in blue. Swivel bearing with dual turntable bearing. Bolted wheel a