Forging workshop special super heavy industrial casters blue cast nylon double wheel universal casters with a load capacity of 3 tons Product Model: 9-20T991S-264G4 Load: 30000KG Wheel Material: Casting Nylon (Blue) Wheel diameter: 500mm Wheel width: 130mm Installation height: 700mm Bracket thickness: 20mm Top plate thickness: 30mm Top plate size: 500*400mm Installation aperture: 40mm Hole distance: 400*300mm Bearing: 6220 Bearing X4 Surface treatment: sandblasting, galvanized(Yellow) Type:Top Plate Casters Style:Swivel Casters Customized support:OEM, ODM Place of Origin:Guangdong, China     We are a professional manufacturer of industrial caster wheels. We can produce different types of casters according to your requirements. For more product information, please contact us. Dongguan Carsun Caster Co.,Ltd Website:www.carsuncastor.com Email: sales@casterchina.cc Tel:(86-769)2688 2990 Cell:+86-18929102151 Skype:+86-18929102151 Wechat:18929102151 QQ: 2965741267