Trolley Rubber Wheels Products DescriptionDC Casters produce the graceful and exquisite trolley rubber casters enjoy a good reputation in hand trucks and trolleys industry. Diffident with traditional trolley rubber wheel,Website:http://www.dc-casters.com, DC Casters use Grey mute rubber can make the casters Maximum reduction of the noise. Except the mute advantage DC Trolley Wheel also resistant to water, oil, heat and cold weather.   Fram materials: hot dipped steel, q235 and q345Top Plate Size:115mmx100mmBearing:Double BearingWheel Materials: Grey RubberMode:rigid , swivel and brakeSpecification:Wheel MaterialsWheel Dia.(Inch)Wheel Width(MM)Overall Height(MM)BearingLoading Capacity(KGS)Grey Rubber4"50142Double Bearing280Grey Rubber5"50167Double Bearing280Grey Rubber6"50186Double Bearing300Grey Rubber8"50242Double Bearing300