Ergo X2

This collection holds Ergo X2 casters with ergonomic polyurethane, nylon and Duralast polyurethane wheels, built for heavy equipment, dies, molds, and plant carts that move very heavy loads. Casters in this collection range from 450 to 3,000 lb per caster. Wheels in this category range from 4 up to 8 inches in diameter with a 2 in tread width. The collection includes swivel and rigid models. Ergonomic polyurethane wheels are made to lower push effort, which helps workers move heavy carts by hand. Nylon rolls easily, resists water and many chemicals, and is hard, so it is loud on rough floors. Duralast polyurethane treads are quiet, protect floors, and carry heavy loads with low rolling effort. Match plate size, bolt pattern, and overall height before you order. Choose swivel casters when the cart must turn in place and rigid casters for straight travel. Polyurethane aisle: polyurethane casters. Wheel hub: replacement wheels.

Shop by type

8 types

Wheel = wheel diameter · capacity is per caster.

Hamilton ergo X2 casters by tread

Tread	Core	Wheel sizes	Rated per caster	Listed temperature	Where it fits
Polyurethane	Cast iron and Aluminum	4, 5, 6 and 8 in	450 to 3,000 lb	-5°F to 160°F	quiet, floor-friendly and long wearing
Nylon		4, 5, 6 and 8 in	800 to 1,200 lb	-30°F to 220°F	low rolling effort on smooth floors, handles wet areas
Phenolic		4, 5, 6 and 8 in	800 to 1,400 lb	Up to 250°F	hard and easy rolling on smooth, dry floors

Ratings are for single casters of Hamilton ergo X2 casters, from product fields [S1].

Wheel sizes

Wheel	Treads	Rated
4 x 2 in	polyurethane, nylon and phenolic	450 to 2,000 lb
5 x 2 in	polyurethane, nylon and phenolic	840 to 2,000 lb
6 x 2 in	polyurethane, nylon and phenolic	800 to 1,800 lb
8 x 2 in	polyurethane, nylon and phenolic	1,000 to 3,000 lb

Choosing Hamilton ergo X2 casters

Load: divide the loaded weight by three for a four-caster cart [S2]. Among Hamilton ergo X2 casters, a 1,200 lb caster then suits about 3,600 lb, and the strongest at 3,000 lb about 9,000 lb.
Mount: most Hamilton ergo X2 casters use a 4-1/2 x 6-1/2 in top plate; measure bolt hole centers on the old plate and compare.
Floor: on Hamilton ergo X2 casters, polyurethane is kinder to tile and finished floors; nylon and phenolic roll easier under heavy loads on smooth concrete.
Rig: swivel and rigid Hamilton ergo X2 casters are listed.

Related to Hamilton ergo X2 casters: industrial casters, polyurethane casters and 8 x 2 in polyurethane casters.

Hamilton ergo X2 casters questions

How much weight can Hamilton ergo X2 casters carry?

Single Hamilton ergo X2 casters are rated 450 to 3,000 lb; most fall between 840 and 1,200 lb.

What top plate do Hamilton ergo X2 casters use?

Most Hamilton ergo X2 casters use 4-1/2 x 6-1/2 in.

What wheel material is most common on Hamilton ergo X2 casters?

Polyurethane leads on Hamilton ergo X2 casters, rated 450 to 3,000 lb per caster. Among Hamilton ergo X2 casters, nylon is next at 800 to 1,200 lb.

Jordan Wilson, CasterHQ · reviewed October 20, 2026 · 844-439-4335 · info@casterhq.com

Sources

[S1] CasterHQ product fields (rated load, diameter, width, wheel and core material, temperature range, mount) and product descriptions for the items on this page, pulled October 20, 2026.
[S2] Preferred Equipment casters and wheels quick guide PDF (prefeq.com): load sizing on one less caster, wheel types and floor notes.

BHP: 1-3/4″ × 2-7/8″, slotted to 3″

BHP: 1-3/4″ × 2-15/16″ slotted to 2-3/8″ × 3-3/8″

BHP: 2-5/8” X 3-5/8” (Slotted to 3” x 3”)

BHP: 2-7/16" x 4-15/16" slotted to 3-3/8" x 5-1/4"

(3″ Wide Casters), Industry-Standard

BHP: 3-3/8" x 5-1/4" slotted to 4-1/8" x 6-1/8"

BHP: 4-1/8" x 6" slotted to 4-1/2" x 6-1/8"

View All • 21 Plate Sizes

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