Low Speed Poly

Custom made to order. All sales final.

Each Hamilton product is custom manufactured for your order (lead time is shown on each product page). Please confirm all specs before checkout, since made-to-order items aren't eligible for returns, exchanges or refunds. Need help? Call 844-439-4335 or email info@casterhq.com and we'll verify fit for you.

This collection holds Low Speed Poly with polyurethane treads, made to replace worn wheels on carts, dollies, racks, and equipment. Wheels in this collection range from 5,200 to 17,200 lb per wheel. Wheels in this category range from 4 up to 22 inches in diameter with 5 to 10 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. Call or email CasterHQ with the part number from the old unit if you need help matching it. Polyurethane aisle: polyurethane casters. Caster hub: heavy duty casters.

Hamilton low speed poly wheels by tread

Tread	Core	Wheel sizes	Rated per wheel	Listed temperature	Where it fits
Cast iron	Steel	15, 16-1/4 and 18 in	5,200 to 13,000 lb	-30°F to 150°F	heat, chips and heavy loads on rough floors
Polyurethane	Steel	20 and 22 in	6,500 to 17,200 lb	-30°F to 150°F	quiet, floor-friendly and long wearing

Ratings are for single wheels of Hamilton low speed poly wheels, from product fields [S1].

Wheel sizes

Wheel	Treads	Rated
15 x 9 in	cast iron	10,400 lb
20 x 6 in	polyurethane	8,200 lb
20 x 7 in	polyurethane	9,700 lb
20 x 8 in	polyurethane	11,400 lb
20 x 9 in	polyurethane	12,900 lb
22 x 7 in	polyurethane	11,200 lb
22 x 8 in	polyurethane	13,200 lb
22 x 10 in	polyurethane	17,200 lb

Choosing Hamilton low speed poly wheels

Load: divide the loaded weight by three for a four-wheel cart [S2]. Among Hamilton low speed poly wheels, a 11,300 lb wheel then suits about 33,900 lb, and the strongest at 17,200 lb about 51,600 lb.
Floor: on Hamilton low speed poly wheels, polyurethane is kinder to tile and finished floors; cast iron rolls easier under heavy loads on smooth concrete.

Related to Hamilton low speed poly wheels: industrial casters.

Hamilton low speed poly wheels questions

How much weight can Hamilton low speed poly wheels carry?

Single Hamilton low speed poly wheels are rated 5,200 to 17,200 lb; most fall between 7,200 and 11,300 lb.

What wheel material is most common on Hamilton low speed poly wheels?

Cast iron leads on Hamilton low speed poly wheels, rated 5,200 to 13,000 lb per wheel. Among Hamilton low speed poly wheels, polyurethane is next at 6,500 to 17,200 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"

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