4 Inch Steel Rim High Speed Sealed Bearings - RW Series Bearing Options:20mm Sealed Bearing Code: MSTP100/SP Load per Castor: HT1280 Bearing Options:19mm Nylon Bushing making it light weight Urethane

4 Inch Steel Rim High Speed Sealed Bearings RW Series Bearing Options:20mm Sealed Bearing Code: MSTP100 SP Load per Castor: HT1280 Bearing Options:19mm Nylon Bushing making it light weight Urethane Code: MSTP100 SP Load per Castor: 180kg Wheel Diameter: 100mm Wheel Width: 30mm Bearing Type: Plain Bore Wheel Material: Super Tuff Monolithic Overall Height : 128mm Swivel Radius: 92mm Plate Size: 100mm x 85mm Bolt Hole Spacing: 80mm x 60mm Bolt Hole Size: 9mm Code: LKB125 Load per Wheel: 250kg Wheel Diameter: 125mm Wheel Width: 38mm Hub Width: 45mm Bore Diameter: 10mm Bearing Type: Ball Bearing Wheel Tread Material: Elastic Rubber Hub Material: Polypropelene