Hamilton's popular Extra Heavy Duty Casters are widely recognized for their superior performance, wide selection, and reliable service. The EHD Series features Hamilton’s HPI™ Swivel Technology. The EHD's extra thick hot forgings, guaranteed-for-life integrally forged kingpin and HPI™ Swivel Technology combine to defy comparison. Yet high volume enables us to price these superior products among the lowest priced casters in their class.

Quality Features & Specs

Swivel Construction : 1/2" thick drop forged steel mounting plate; 3/8"x 3" precision laser cut steel legs welded inside and outside to forged steel horn base.
Kingpin : 1" diameter integrally forged with mounting plate guaranteed for life and threaded for 1" diameter lock nut.
Main Load Bearing : HPI™ thrust bearing with outside diameter of 5 5/16"; raceways hardened to 58-62HRC and ground to surface finish 16 micro inches.
Secondary Load Bearing : 1" precision tapered thrust bearing counteracts radial thrust.
Product Finish : Powder Coated - Caster rigs are powder coated with Hamilton’s new Crimson Powder, a metallic HAA Polyester providing a premium look and excellent durability for both interior and exterior environments.
Axle : 3/4" diameter hex head with lock nut.
Lubrication Fittings : Ball-check type in swivel assembly and in wheel hubs with tapered or straight roller bearings.