HU - Heavy Duty Solid Polyurethane on Glass-fi

This collection holds Hu Heavy Duty Solid Polyurethane On Glass Filled Nylon Wheels with polyurethane treads, made to replace worn wheels on carts, dollies, racks, and equipment. Wheels in this collection range from 1,200 to 3,800 lb per wheel. Wheels in this category range from 4 up to 12 inches in diameter with 2 to 3 in tread widths. Polyurethane (poly or urethane) treads are quiet, floor safe, and resist water and many chemicals. Match the bore, hub length, diameter, and tread width before you order. Order the axle and spacers if the old ones are worn. Read the listing for the exact wheel size, overall height, and mount shown. Confirm the load rating printed on the title before you order. Measure the old wheel or caster before you buy. Check the floor type and the heaviest load the cart will carry before you choose. Polyurethane aisle: polyurethane casters. Caster hub: heavy duty casters.

Shop by wheel type

6 types

Wheel = wheel diameter · capacity is per wheel.

Durastar HU polyurethane on glass-filled nylon wheels by tread

Tread	Core	Wheel sizes	Rated per wheel	Listed temperature	Where it fits
Polyurethane		4 to 12 in	1,200 to 3,800 lb	Up to 180°F	quiet, floor-friendly and long wearing

Ratings are for single wheels of Durastar HU polyurethane on glass-filled nylon wheels, from product fields [S1].

Wheel sizes

Wheel	Treads	Rated
5 x 2 in	polyurethane	1,500 lb
6 x 2 in	polyurethane	1,800 lb
6 x 2-1/2 in	polyurethane	2,300 lb
6 x 3 in	polyurethane	3,000 lb
8 x 2 in	polyurethane	2,100 lb
8 x 2-1/2 in	polyurethane	2,450 lb
8 x 3 in	polyurethane	3,200 lb
12 x 3 in	polyurethane	3,800 lb

Choosing Durastar HU polyurethane on glass-filled nylon wheels

Load: divide the loaded weight by three for a four-wheel cart [S2]. Among Durastar HU polyurethane on glass-filled nylon wheels, a 3,200 lb wheel then suits about 9,600 lb, and the strongest at 3,800 lb about 11,400 lb.
Floor: on Durastar HU polyurethane on glass-filled nylon wheels, polyurethane protects finished floors and runs quietly; check the rating if the cart also crosses rough concrete.

Related to Durastar HU polyurethane on glass-filled nylon wheels: caster wheels and 8 x 3 in polyurethane wheels.

Durastar HU polyurethane on glass-filled nylon wheels questions

How much weight can Durastar HU polyurethane on glass-filled nylon wheels carry?

Single Durastar HU polyurethane on glass-filled nylon wheels are rated 1,200 to 3,800 lb; most fall between 1,800 and 3,200 lb.

What wheel material is most common on Durastar HU polyurethane on glass-filled nylon wheels?

Polyurethane leads on Durastar HU polyurethane on glass-filled nylon wheels, rated 1,200 to 3,800 lb per wheel.

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"

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