Ø50 mm, with SKF bearing. Wirewheel, with SKF bearing, (Colson cord washer) type WHSK050. Inner diameter 50 mm and outer diameter 60 mm, bearing hole diameter 9 mm. Max. wire thickness 4.0 mm, max. load 130 kg per piece. Galvanized steel
Ø77 mm. Wire wheel 3", made of 1.2 mm galvanized steel, inside diameter is 64 mm and outer diameter is 77 mm, bearing hole for shaft / screw is 10 mm. Max. Door weight = 75 kg