1.Gray Rubber Wheel 2.Materials: Rubber 3.Dia.: 80~200mm 4.Loading capacity: 50~205kg 5.Roller bearing Gray Rubber Wheel With PP core, Roller bearing Item No.11XXXGPSWDia.80mm,100 mm, 125 mm,160mm,200mmLoading capacity50kg,70Kg,100kg, 135kg,205KGMaterialsRubberBearing type Roller bearingTemperature ...Housing...Hardness... Custom design and OEM are welcome. Gray Rubber Wheel