4" Inch Caster 441 lbs Side Locking Polyurethane Top Plate

You need 4inch-Lock-Caster-004 to have your office desk, equipment or even a machine to easily roll them around. This caster is rolled on a wheel that has 100mm diameter/3.937" inch inches. The thickness of the wheel is 50mm or 1.969" inch. The caster dimensions heightwise is 142mm/5.591" inch. Mounted via a Top Plate that has the size of 100mm x 115mm and the holes distance of 75mm x 85mm. Low drag was achieved by a Polyurethane core on a Polyurethane tire spinning freely with a Double ball beaing. Each caster will carry the load of 441 lb and is Side Locking type. Temperature range = -40 to 180 F. Remember, you will have to buy the 4inch-Lock-Caster-004 in order to have it :).