Extended Service Casters

Capacity Range: 1300 – 2400 lbs.

When grueling loads and continuous operations exist, Hamilton's Extended Service & Enhanced Heavy Service Casters with HPI™ Swivel Technology are the right choice. Both ES & EHS Series Casters are an excellent choice for use on in-plant trailers, towline carts, or AGV systems. The ES Series features 3" wide wheels and platinum powder coat finish whereas the EHS Series features 2" wide wheels and a red crimson powder coat finish.

Quality Features & Specs

Swivel Construction

All models have 3/8" thick forged steel mounting plate and horn base. Precision laser cut legs 5/16" x 2 1/2" on ES models and 1/4" x 2" on EHS models.

Kingpin

Integrally forged with mounting plate, guaranteed for life, 1" diameter on ES models and 3/4" dia. on EHS models. Both series have slotted nuts secured by cotter pin for positive locking.

Main Load Bearing

HPI™ thrust bearing with outside diameter of 3 1/2"; raceways hardened to 58-62HRC and ground to surface finish 16 micro inches.

Secondary Load Bearing

Precision tapered thrust bearing counteracts radial thrust, 1" on ES and 3/4" on EHS.

Product Finish

Powder Coated - Caster rigs are powder coated with Hamilton’s Platinum Powder for the ES Series and Red Crimson powder for the EHS Series, both are metallic HAA Polyesters providing a premium look and excellent durability for both interior and exterior environments.

Axle

Bolt and nut type, 3/4" on ES models and 1/2" on EHS models.

Lubrication Fittings

Ball-check type in swivel assembly and wheel hubs with tapered or straight roller bearings.

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, EHS: -4SL) - convert swivel to rigid for straight line steering, robotically welded housing & 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.

Sealed Swivel Assembly

(-SS) - prolongs caster life in harsh environments, not available with Swivel Lock on ES Series.

Wheel Bearing Seals

(-DS) - prolong wheel life in harsh environments.

Custom Engineering

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

Manufactured Lean in the USA

Series ES & EHS