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Hamilton Ultra Maxi-Duty Dual Whee;l Series – Extreme Duty

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Hamilton’s Extra Heavy Duty (EHD) Casters are renowned for their exceptional performance, extensive range, and dependable service. Featuring extra-thick hot forgings and a lifetime-guaranteed integrally forged kingpin, EHD casters deliver unmatched durability and quality. Despite their superior craftsmanship, high-volume production allows us to offer these premium casters at some of the most competitive prices in their class.

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EHD Series Features & Specs.

  • Swivel Construction
    All models have forged steel mounting plate and horn base with integrally forged kingpins and precision tapered thrust bearings. Precision laser cut legs are 3/8″ thick.
  • Kingpin
    1″ integrally forged with mounting plate, guaranteed for life.
  • Main Load Bearing
    CNC-machined 3 3/4” diameter raceway; hardened and polished 1/2” steel balls
  • Secondary Load Bearing
    Precision tapered roller bearing capped with grease retainer.
  • Product Finish
    Powder Coated – Caster rigs are powder coated with Hamilton’s Crimson Powder, a metallic HAA Polyester providing a premium look and excellent durability for both interior and exterior environments.
  • Axle
    bolt and nut type: 3/4″ grade 5
  • Lubrication Fittings
    Ball-check type in swivel assembly and in wheel hubs with tapered or straight roller bearings.

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