TPE wheel on PP rim, ball bearings, thread guard, wheel x width 160 x 40 mm. Supplied = assembled. Structure = wheel. Wheel material = thermoplastic elastomer. Material of rim = polypropylene. Wheel diameter = 160 mm. Max. load at 4 km/h = 200 kg. Wheel width = 40 mm. Wheel bearing = ball bearing. Temperature resistance = -20 C to +60 C. Hub length = 59 mm. Hub bore = 20 mm. Axle diameter = 12 mm. Shore hardness = 65 - 70 A. Product type = wheels. Do not damage floors, non-marking. Low rolling resistance, quiet, very smooth running. Hardness 65 - 70 Shore A. Temperature resistant from -20 C to +60 C. Bolted wheel axle (incl. complete axle material) Small plastic thread guard. Ball bearings. TPE wheels may leave oily marks on open-pored, unsealed and absorbent flooring. We are happy to advise you about use on parquetry, stone or other sensitive flooring.