Heavy weight capability and Durability made the wheel casters like the VXB007125RBB2 a must use, get your do it yourself object move around. Diameter size of the caster wheel has a metric standard 125mm which is equal to 4.921" inch with imperial units. The wheel has a width of 27mm=1.063" inch. Overall height of the wheel caster is 161mm = 6.339" inch. Top Plate is the method of installing the caster to your equipment, here are the dimensions 75mm x 75mm with the holes distance of 55mm x 55mm. The Plain bearing design will enable the Grey rubber tire to roll easily with a core made of Grey rubber. Maximum load calpacity that should not be exceeded on each wheel, remember to add safety factor, when calculating the load capacity 110 lb with a Swivel and Upper Brake type. Temperature range is -40 to 180 F. Buy the VXB007125RBB2 now, just add the quantity to basket and click on Checkout.