Nylon wheel, set, 2 swivel castors with double stops, 2 fixed castors, plain bearings, wheel x width 125 x 38 mm. Supplied = assembled. Wheel diameter = 125 mm. Structure = swivel castor with double stop, fixed castor. Scope of delivery = 2 swivel castors with double stops, 2 fixed castors. Wheel material = plastic - nylon. Material of rim = nylon. Housing material = steel. Max. load at 4 km/h = 200 kg. Type of mounting = with top plate. Wheel width = 38 mm. Overall height = 155 mm. Wheel bearing = plain bearing. Temperature resistance = -20 C to +80 C. Swivel castor offset = 38 mm. Screw hole diameter = 9 mm. Hub length = 50 mm. Hub bore = 15 mm. Fixed castor plate dimensions = 102x87 mm. Swivel castor plate dimensions = 105x80 mm. Screw hole spacing = 76 - 80x60 mm. Housing surface = galvanised and chrome-plated. Maintenance free, smooth running. Hardwearing. Largely resistant against many thinned acid and alkaline solutions. Sheet steel housing, zinc chromate finish, swivel bearing