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  1. Home
  2. Casters
  3. Ergonomic Casters
  4. Ergonomic Standard
Part Series

Ergonomic Casters

Capacity Range: up to 1,600 lbs. per caster

Hamilton's new Ergo Caster Series is a marriage of our best rolling and quietest polyurethane wheels mounted in Hamilton’s newest Spinfinity ZFWH & ZFHS maintenance-free kingpinless casters. These casters were specifically designed to satisfy the high standards established by the leading ergonomists and safety managers in today’s manufacturing environments.

The new Ergo Caster series features three different wheel types. The Ergo-Tech is the easiest wheel to push with the best (lowest) push/pull force but it’s lightweight aluminum core is not recommended for tough environments. The Ergo-Glide provides a respectable push/pull force and with its heavy duty cast iron core is more durable and recommended for tougher environments. The Ultralast is reserved for those toughest application where all else fails and outperforms the other two wheels but comes with a much higher cost. Note: the 52K models are not maintenance-free casters and are offered as a low-cost alternative to the maintenance-free ZFWH & ZFHS models.

Check out our Video Tutorial to determine safe ergonomic push/pull forces.


Ergo-X2 Swivel Caster
Ergo-X2 Swivel Caster

Quality Features & Specs

  • Swivel Construction

    52K: Kingpinless - mounting plate and inner raceway is a weldment constructed from 1045 steel. ZFWH & ZFHS: Kingpinless - forged steel top plate and fork base; 1/4" x 2" precision laser cut steel legs welded inside and outside to forged steel horn base.

  • Load Bearings

    Each product series has a CNC-machined raceway with 3/8" balls and the raceways are hardened to 45-50 Rockwell C for long wear.
    Raceway diameters 52K: 2 3/8" ZFWH: 2 9/16" ZFHS: 3 5/16"

  • Product Finish

    52K Zinc plated. ZFWH & ZFHS 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.

  • Sealed Swivel Construction

    The ZFWH and ZFHS forged ring is cnc-machined with a precision groove to accept a large seal made from Nitrile butadiene rubber(NBR) designed to keep grease in and contaminants out.

  • Axle

    1/2" diameter hex head with lock nut.

  • Lubrication Fittings

    Ball-check type in swivel assembly.

Wheel Choices

Ergo-Glide

Ergo-Tech™

UltraGlide™ Ergo

Optional Accessories

  • Brakes

    Keep safety managers happy with all-steel cam-actuated side foot brake (-FB), or heavy duty face contact brake (-ZB) for more positive locking. Other styles available. Select desired caster from selection table to see brake details.

  • Swivel Lock

    4 Position (★-4SL) convert swivel to rigid for straight line steering, ZFWH & ZFHS: robotically welded housing & 52K: field installable. CNC-milled slots assure long lasting, trouble-free performance.

  • Toe Guard

    Toe Guards help protect workers’ feet and can be used for both manual and power applications.

  • Custom Engineering

    Hamilton engineers will custom design any caster to meet customer requirements. See Custom Gallery

Hamilton Caster

Manufactured Lean in the USA Since 1907

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