Tens of thousands of different kinds to select from to have your office Desk/chair sliding easily right and left, install the VXB004125RBB. And rolling on wheel that has 125mm diameter/4.921" inch. The thickness of the wheel is 35mm or 1.378" inch. Overall height of the wheel caster is 157mm = 6.181" inch. Top Plate is the method of installing the caster to your equipment, here are the dimensions 93mm x 62mm with the holes distance of 45mm x 72mm. This caster wheel core material is Rubber and has a Rubber tire spinning over Ball bearing. Maximum load calpacity that should not be exceeded on each wheel, remember to add safety factor, when calculating the load capacity 176 lb with a Swivel and Upper Brake type. The caster temperature range = -40 to 180 F. Buy the VXB004125RBB now, just add the quantity to basket and click on Checkout.