shopping cart caster wheel

shopping cart caster wheel/double dish brake caster wheel/auto brake supermarket trolley wheel 1.shopping trolley caster wheel 2.size:3",4",5" 3.wheel material:PU on PP, TPE on PP; 4.bearing type: Z6202 ball bearing 5.threaded Stem: M12 X 45.5 mm or optional stem 6.fork thickness:2.5mm 7.finish:zinc 8.load capacity:80-100kg 1.double dish brake elevator wheel 2.wheel diameter:4", 5" 3.wheel tread material: PU( light grey) 4.wheel core material: Nylon(black) 5.break: auto-break 6.dish thickness:4.2mm 7.wheel inner width:22.2-22.8mm 8.hub length:42.5-43.0mm 9.threaded stem: M12 Japanese style Shopping cart caster 1.shopping trolley caster wheel 2.size:3",4",5" 3.wheel material:PU on PP, TPE on PP; 4.bearing type: Z6202 bearing 5.threaded Stem: M12 X 45.5 mm or optional stem 6.fork thickness:2.5mm 7.finish:zinc 8.load capacity:70-80kg