Wheel article of photos is 1028PCR producing by CNC lathe,with outer support,two pcs 6203RS bearings.Wheel materal C45 steel.Color yellow or white zinc.Diameter 98mm,thickness 28mm,U groove diameter 21mm.Applicable diameter of 20 mm (inclusive) track or rope.My company have steel materal track for the wheel.Re:the wheel support size,please see attached similar wheel drawing. 

Explanation

My our company is professiona for sliding gate roller more than 15 years,and have design and producing capacity according to your request, drawings or samples .

Size Range:Diamete 30-500mm.Thickness 8-50mm,Groove "V","U","H",Bearing one or two,Suport inside or outer,and so on.

A PP plastic bags of a wheel, a carton of 10 wheels.,a pallet of 1500kg.Carton logo with :ITEM NUMBER","QUANTITY"  or with customer carton logo according to request.Wooden Pallet size: 1100mmX1100mmx300mm.Delivery time 20-30 working days after confirmation and deposit.