B-RD 100R fixed sheet steel castor, wheel x width 100 x 30 mm, max. load 100 kg. Supplied = assembled. Wheel diameter = 100 mm. Structure = fixed castor. Wheel material = rubber. Material of rim = sheet steel. Max. load at 4 km/h = 100 kg. Type of mounting = with top plate. Wheel width = 30 mm. Overall height = 125 mm. Wheel bearing = roller bearing. Fixed castor plate dimensions = 100x85 mm. Sheet steel, electrolytically zinc plated, blue passivated, Cr6 free. Tyres: two component solid rubber. Sturdy rim construction with steel pipe hub, centrally pressed, electrolytically zinc plated. Chemical resistance to many aggressive media, but not to oils. Temperature resistance: -25 C to +80 C, reduced max. load above +60 C. Fixed sheet steel castor, medium duty model, with mounting plate, wheel with two component solid rubber tyres, Blickle Comfort, with sheet steel rim.