B-ALB fixed sheet steel castor, wheel x width 160 x 50 mm, max. load 400 kg. Supplied = assembled. Wheel diameter = 160 mm. Structure = fixed castor. Wheel material = polyurethane. Material of rim = cast aluminium. Max. load at 4 km/h = 400 kg. Type of mounting = with top plate. Wheel width = 50 mm. Overall height = 195 mm. Wheel bearing = ball bearing. Fixed castor plate dimensions = 140x110 mm. Sheet steel, electrolytically zinc plated, blue passivated, Cr6 free. Tread: high quality Blickle Besthane polyurethane elastomer, non-marking, non-staining. Wheel body: die cast aluminium, silver grey. High chemical resistance to many aggressive media. Temperature resistance: -20 C to +70 C, reduced max. load above +40 C. Fixed sheet steel castor, medium duty model, with mounting plate, heavy duty wheel with Blickle Besthane polyurethane tread, with aluminium wheel body.