Extra Heavy Duty Casters
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.
Optional Accessories
Brakes