8x1.75 steel wheel. Ideal for applications where axle and caps must be flushed or recessed from tire. Oilless bearing wheels are used on mobile pieces of equipment where abrasive or high humidity conditions exist. Ball bearing wheels are used for replacement on rotary lawn mowers and golf carts. Steel hub. Type: Offset Steel Hub Wheel, Diameter: 8", Width: 1.75", Load Rating: 60 lbs, Hub Length: 1-3/8", Bearing Type: 1/2" Grafoil Bearings No. 490-322-0004: Type: Offset Steel Hub Wheel, Diameter: 8", Width: 1.75", Load Rating: 35 lbs, Hub Length: 1-3/8", Bearing Type: 1/2"