Minimization of possible untoward effects on operator by installing VXB004075BTPRF just ask your operator to push and pull, but not carry. Diameter size of the caster wheel has a metric standard 75mm which is equal to 2.953" inch with imperial units. The wheel has a width of 30mm=1.181" inch. Overall height of the wheel caster is 105mm = 4.134" inch. This wheel caster can be mounted using a Top Plate with the dimensions of 93mm x 62mm and holes distance of 45mm x 72mm. This caster wheel core material is Thermoplastic Rubber and has a Thermoplastic Rubber tire spinning over Double ball bearing. Each caster will carry the load of 176 lb and is Rigid type. Temperature range is -40 to 180 F. Buy the VXB004075BTPRF now, just add the quantity to basket and click on Checkout.