Thousands of different kinds using our Canada based business to select from to have your office Desk/chair sliding easily right and left, install the VXB20050HLB. Spinning on wheel that has 50mm diameter/1.969" inch. The wheel has a width of 50mm=1.969" inch. The caster dimensions heightwise is 62mm/2.441" inch. Mounted via a Top Plate that has a size of 42mm x 42mm and the holes distance of 129mm x 74mm. Low drag was achieved by a Polyurethane core on a Polyurethane tire spinning freely with a Roller bearing. Maximum load calpacity that could not be exceeded on each wheel, remember to add safety factor, when calculating the load capacity 66 lb with a Swivel and Upper Brake type. Ambient temperature range is -40 to 180 F. Order the VXB20050HLB now, just add the quantity to basket and click on Checkout.