HAMILTON Extended Service Casters are specifically designed for moving heavy loads for long periods of time. Feature precision integrated HPI swivel technology that improves the bearing's element of contact and more than doubles the number of contact points. -3/8" thick drop forged steel mounting plate. -5/16x2-1/2" plate steel legs are welded to a forged steel horn base. Sturdy 1" diameter integrally forged kingpin with mounting plate. Main HPI load bearing is 3-1/2" outside diameter with hardened raceways; secondary load bearing has 1" precision tapered thrust bearing that counteracts radial thrust. -3/4" diameter axle. Ball check type lubrication fittings in swivel assembly and wheel hubs.

HAMILTON Extended Service Casters are specifically designed for moving heavy loads for long periods of time. Feature precision integrated HPI swivel technology that improves the bearing's element of contact and more than doubles the number of contact points. -3/8" thick drop forged steel mounting plate. -5/16x2-1/2" plate steel legs are welded to a forged steel horn base. Sturdy 1" diameter integrally forged kingpin with mounting plate. Main HPI load bearing is 3-1/2" outside diameter with hardened raceways; secondary load bearing has 1" precision tapered thrust bearing that counteracts radial