Polyurethane Brake Casters

Diameter: 2-1/2 to 8 inTread: 1-1/4, 1-9/16 and 2 inPlate: 4 x 4-1/2 in (most)Capacity: 250 to 1,500 lb per caster

This page lists polyurethane brake casters. Polyurethane on polyolefin and cast iron cores is the most common tread on these polyurethane brake casters, rated 250 to 1,500 lb per caster in 2-1/2 to 8 in. Sets of 4 polyurethane brake casters list 1,200 to 4,000 lb combined. Brands: Colson, Albion, Blickle and MedCaster.

Polyurethane brake casters by tread

Tread	Core	Wheel sizes	Rated per caster	Listed temperature	Where it fits
Polyurethane	Polyolefin and Cast iron	2-1/2 to 8 in	250 to 1,500 lb	-45°F to 180°F	quiet, floor-friendly and long wearing

Ratings are for single casters of polyurethane brake casters, from product fields [S1].

Wheel sizes

Wheel	Treads	Rated
3 x 1-1/4 in	polyurethane	300 lb
4 x 1-1/4 in	polyurethane	275 to 350 lb
4 x 1-9/16 in	polyurethane	550 to 615 lb
4 x 2 in	polyurethane	600 to 1,000 lb
5 x 1-1/4 in	polyurethane	250 to 350 lb
5 x 2 in	polyurethane	600 to 1,200 lb
6 x 2 in	polyurethane	900 to 1,250 lb
8 x 2 in	polyurethane	660 to 1,500 lb

Choosing polyurethane brake casters

Load: divide the loaded weight by three for a four-caster cart [S2]. Among polyurethane brake casters, a 1,000 lb caster then suits about 3,000 lb, and the strongest at 1,500 lb about 4,500 lb.
Mount: most polyurethane brake casters use a 4 x 4-1/2 in top plate; 2-1/2 x 3-5/8 in and 2-3/8 x 3-5/8 in plates are listed too; measure bolt hole centers on the old plate and compare.
Floor: on polyurethane brake casters, polyurethane protects finished floors and runs quietly; check the rating if the cart also crosses rough concrete.
Rig: swivel and rigid polyurethane brake casters are listed, with top lock brake, side lock brake and total lock brake options.

Related to polyurethane brake casters: industrial casters.

Polyurethane brake casters questions

How much weight can polyurethane brake casters carry?

Single polyurethane brake casters are rated 250 to 1,500 lb; most fall between 600 and 1,000 lb.

What top plate do polyurethane brake casters use?

Most polyurethane brake casters use 4 x 4-1/2 in. Other plates on polyurethane brake casters: 2-1/2 x 3-5/8 in and 2-3/8 x 3-5/8 in.

What wheel material is most common on polyurethane brake casters?

Polyurethane leads on polyurethane brake casters, rated 250 to 1,500 lb per caster.

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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