Grey cast iron wheel, plain bearings, wheel x width 80 x 35 mm. Supplied = assembled. Structure = wheel. Wheel material = grey cast iron, GG 20 to GG 25. Material of rim = grey cast iron, GG 20 to GG 25. Wheel diameter = 80 mm. Max. load at 4 km/h = 250 kg. Wheel width = 35 mm. Wheel bearing = plain bearing. Temperature resistance = up to +100 C. Hub length = 42 mm. Hub bore = 10 mm. Product type = wheels. Very robust and durable. For use in harsh environments. Virtually maintenance free. Temperature resistant to +100 C, and up to +300 C when bearing is lubricated with special grease. Wheel body made of high quality GG 20/25 grey cast iron, painted black. Slightly convex running surface. All specified dimensions are approximate.