3″ x 7/8″ Caster Replacements · 90 to 360 lb · Rubber & Polyurethane

Diameter: 3 inTread: 7/8 inPlate: 1-1/4 x 2-1/16 inCapacity: 90 to 360 lb per caster

This page lists 3 x 7/8 in casters and wheels with rubber and polyurethane treads. Rubber on polyolefin cores is the most common tread here, rated 90 to 360 lb per caster. Other treads: polyurethane 100 lb. Replacement wheels are listed too, rated 90 to 100 lb each. Sets of 4 list 360 lb combined. Brands: Durastar.

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4 types

Rubber and polyurethane favor floor protection; phenolic and steel favor heavy capacity. Compare materials →

3″ x 7/8″ Caster Replacements: buying guide

3 x 7/8 in casters and wheels in rubber and polyurethane, 3 in wheels, rated 90 to 360 lb per caster.

Diameter 3 inTread 7/8 inPlate 1-1/4 x 2-1/16 in90 to 360 lb per caster

3 x 7/8 in casters and wheels by tread

Tread	Core	Wheel sizes	Rated per caster	Listed temperature	Where it fits
Rubber	Polyolefin	3 in	90 to 360 lb	-45°F to 180°F	cushioned and quiet on finished floors
Polyurethane	Polyolefin	3 in	100 lb	-40°F to 180°F	quiet, floor-friendly and long wearing

Ratings are for single casters of 3 x 7/8 in casters and wheels, from product fields [S1].

Choosing 3 x 7/8 in casters and wheels

Load: plan on three casters carrying a four-caster cart [S2]; at 100 lb each, a common rating here, that is about 300 lb, and the 360 lb top rating covers about 1,080 lb.
Mount: most 3 x 7/8 in casters and wheels use a 1-1/4 x 2-1/16 in top plate; measure bolt hole centers on the old plate and compare.
Floor: on 3 x 7/8 in casters and wheels, rubber and polyurethane protect finished floors and run quietly; check the rating if the cart also crosses rough concrete.
Rig: swivel and rigid 3 x 7/8 in casters and wheels are listed.

3 x 7/8 in casters and wheels questions

How much weight can 3 x 7/8 in casters and wheels carry?

Single 3 x 7/8 in casters and wheels are rated 90 to 360 lb; most fall between 90 and 100 lb.

What top plate do 3 x 7/8 in casters and wheels use?

Most 3 x 7/8 in casters and wheels use 1-1/4 x 2-1/16 in.

What wheel material is most common on 3 x 7/8 in casters and wheels?

Rubber leads on 3 x 7/8 in casters and wheels, rated 90 to 360 lb per caster. Polyurethane is next at 100 lb.

Are replacement wheels sold for 3 x 7/8 in casters and wheels?

Yes. Wheel-only listings for 3 x 7/8 in casters and wheels are here, sized 3 in; measure bore and hub length before you order.

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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