PU tyres, puncture proof, wheel x width 200 x 50 mm, swivel castor with ball bearing. Supplied = assembled. Wheel diameter = 200 mm. Structure = swivel castor. Wheel material = polyurethane (PU) Material of rim = sheet steel, powder coated. Housing material = steel. Max. load at 4 km/h = 75 kg. Type of mounting = with top plate. Wheel width = 50 mm. Overall height = 230 mm. Wheel bearing = ball bearing. Temperature resistance = -40 C to +40 C. Swivel castor offset = 54 mm. Screw hole diameter = 11 mm. Hub length = 60 mm. Hub bore = 20 mm. Fixed castor plate dimensions = 135x114 mm. Swivel castor plate dimensions = 135x110 mm. Screw hole spacing = 105x80 mm. Housing surface = zinc plated. Shore hardness = 83 A. Puncture proof. The reliable alternative to pneumatic tyres. Non-marking. Sheet steel housing, bright zinc plated, with dual ball bearings in live ring, splash water protection. On swivel castors, central bolts are secured with nut and lock washer. On request - Various wheel sets