Colson Medical Casters by Wheel Size · 6" Wheels · Up to 1,250 lb · Polyurethane

Diameter: 6 inTread: 2 and 4-1/2 inPlate: 4 x 4-1/2 inCapacity: 900 to 1,250 lb per caster

Colson 6 in stainless casters in polyurethane and rubber. Polyurethane on polyolefin cores is the most common tread here, rated 900 to 1,250 lb per caster. Other treads: rubber 1,100 lb. Brands: Colson.

Colson 6 in stainless casters by tread

Tread	Core	Wheel sizes	Rated per caster	Listed temperature	Where it fits
Polyurethane	Polyolefin	6 in	900 to 1,250 lb	-40°F to 180°F	quiet, floor-friendly and long wearing
Rubber		6 in	1,100 lb	-45°F to 230°F	cushioned and quiet on finished floors

Ratings are for single casters of Colson 6 in stainless casters, from product fields [S1].

Wheel sizes

Wheel	Treads	Rated
6 x 2 in	polyurethane and rubber	900 to 1,250 lb
6 x 4-1/2 in	polyurethane and rubber	1,100 to 1,250 lb

Choosing Colson 6 in stainless casters

Load: divide the loaded weight by three for a four-caster cart [S2]. A 1,100 lb caster from this page then suits about 3,300 lb, and the strongest at 1,250 lb about 3,750 lb.
Mount: most Colson 6 in stainless casters use a 4 x 4-1/2 in top plate; measure bolt hole centers on the old plate and compare.
Floor: on Colson 6 in stainless casters, polyurethane and rubber protect finished floors and run quietly; check the rating if the cart also crosses rough concrete.
Rig: swivel and rigid Colson 6 in stainless casters are listed, with top lock brake, total lock brake and side lock brake options.

Colson 6 in stainless casters questions

How much weight can Colson 6 in stainless casters carry?

Single Colson 6 in stainless casters are rated 900 to 1,250 lb; most fall between 900 and 1,100 lb.

What top plate do Colson 6 in stainless casters use?

Most Colson 6 in stainless casters use 4 x 4-1/2 in.

What wheel material is most common on Colson 6 in stainless casters?

Polyurethane leads on Colson 6 in stainless casters, rated 900 to 1,250 lb per caster. Rubber is next at 1,100 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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