4 Inch Polyurethane on Polyolefin Wheel Casters

Diameter: 4 inTread: 1-1/4 inPlate: 3-1/8 x 4-1/8 inCapacity: 300 lb per caster

This page lists 4 inch polyurethane on polyolefin wheel casters. Polyurethane on polyolefin cores is the most common tread on these 4 inch polyurethane on polyolefin wheel casters, rated 300 lb per caster.

300 lbs

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In Stock · Same/Next Day

4" x 1-1/4" Polyurethane Swivel Caster – 300 lb

Part # 24CS414PPU34K-02

from $19.00

Volume pricing available

PolyurethanePlate

Load rating

300 lbs

Size4" x 1-1/4"

Capacity300 lbs

WheelPolyurethane

MountPlate 3-1/8" x 4-1/8"

TypeSwivel

More Details Less Details

Width 1-1/4"

Height 5-1/8"

Bolt Pattern 1-3/4" x 2-15/16" slotted to 2-3/8" x 3-3/8"

Core Polyolefin

Rig Type Swivel

Brake No Brake

Frame Zinc Plated Steel

4" x 1-1/4" Swivel Caster | Red Polyurethane on Polyolefin Core Wheel | 300...

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300 lbs

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4" x 1-1/4" Polyurethane Swivel Caster – 300 lb | 3-1/8" x 4-1/8" Plate · Model HQ1340S-PL2-PP-GRAY

In Stock · Same/Next Day

4" x 1-1/4" Polyurethane Swivel Caster – 300 lb

Part # HQ1340S-PL2-PP-GRAY

from $19.00

Volume pricing available

PolyurethanePlate

Load rating

300 lbs

Size4" x 1-1/4"

Capacity300 lbs

WheelPolyurethane

MountPlate 3-1/8" x 4-1/8"

TypeSwivel

More Details Less Details

Width 1-1/4"

Height 5-1/8"

Bolt Pattern 1-3/4" x 2-15/16" slotted to 2-3/8" x 3-3/8"

Core Polyolefin

Rig Type Swivel

Brake No Brake

Frame Zinc Plated Steel

4" x 1-1/4" Swivel Caster | Gray Polyurethane on Polyolefin Core Wheel | 300...

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300 lbs

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4" x 1-1/4" Polyurethane Swivel Caster – 300 lb | 3-1/8" x 4-1/8" Plate · Model HQ1340S-PL2-PP-BLUE

In Stock · Same/Next Day

4" x 1-1/4" Polyurethane Swivel Caster – 300 lb

Part # HQ1340S-PL2-PP-BLUE

from $19.00

Volume pricing available

PolyurethanePlate

Load rating

300 lbs

Size4" x 1-1/4"

Capacity300 lbs

WheelPolyurethane

MountPlate 3-1/8" x 4-1/8"

TypeSwivel

More Details Less Details

Width 1-1/4"

Height 5-1/8"

Bolt Pattern 1-3/4" x 2-15/16" slotted to 2-3/8" x 3-3/8"

Core Polyolefin

Rig Type Swivel

Brake No Brake

Frame Zinc Plated Steel

4" x 1-1/4" Swivel Caster | Blue Polyurethane on Polyolefin Core Wheel | 300...

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300 lbs

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4" x 1-1/4" Polyurethane Rigid Caster – 300 lb | 3-1/8" x 4-1/8" Plate · Model HQ1340R-PL2-PP-RED | CasterHQ

In Stock · Same/Next Day

4" x 1-1/4" Polyurethane Rigid Caster – 300 lb

Part # HQ1340R-PL2-PP-RED

from $19.00

Volume pricing available

PolyurethanePlate

Load rating

300 lbs

Size4" x 1-1/4"

Capacity300 lbs

WheelPolyurethane

MountPlate 3-1/8" x 4-1/8"

TypeRigid

More Details Less Details

Width 1-1/4"

Height 5-1/8"

Bolt Pattern 1-3/4" x 2-15/16" slotted to 2-3/8" x 3-3/8"

Core Polyolefin

Rig Type Rigid

Brake No Brake

Frame Zinc Plated Steel

4" x 1-1/4" Rigid Caster | Red Polyurethane on Polyolefin Core Wheel | 300...

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300 lbs

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4" x 1-1/4" Polyurethane Rigid Caster – 300 lb | 3-1/8" x 4-1/8" Plate · Model HQ1340R-PL2-PP-GRAY | CasterHQ

In Stock · Same/Next Day

4" x 1-1/4" Polyurethane Rigid Caster – 300 lb

Part # HQ1340R-PL2-PP-GRAY

from $19.00

Volume pricing available

PolyurethanePlate

Load rating

300 lbs

Size4" x 1-1/4"

Capacity300 lbs

WheelPolyurethane

MountPlate 3-1/8" x 4-1/8"

TypeRigid

More Details Less Details

Width 1-1/4"

Height 5-1/8"

Bolt Pattern 1-3/4" x 2-15/16" slotted to 2-3/8" x 3-3/8"

Core Polyolefin

Rig Type Rigid

Brake No Brake

Frame Zinc Plated Steel

4" x 1-1/4" Rigid Caster | Gray Polyurethane on Polyolefin Core Wheel | 300...

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300 lbs

TieredPricing

4" x 1-1/4" Polyurethane Rigid Caster – 300 lb | 3-1/8" x 4-1/8" Plate · Model HQ1340R-PL2-PP-BLUE |

In Stock · Same/Next Day

4" x 1-1/4" Polyurethane Rigid Caster – 300 lb

Part # HQ1340R-PL2-PP-BLUE

from $19.00

Volume pricing available

PolyurethanePlate

Load rating

300 lbs

Size4" x 1-1/4"

Capacity300 lbs

WheelPolyurethane

MountPlate 3-1/8" x 4-1/8"

TypeRigid

More Details Less Details

Width 1-1/4"

Height 5-1/8"

Bolt Pattern 1-3/4" x 2-15/16" slotted to 2-3/8" x 3-3/8"

Core Polyolefin

Rig Type Rigid

Brake No Brake

Frame Zinc Plated Steel

4" x 1-1/4" Rigid Caster | Blue Polyurethane on Polyolefin Core Wheel | 300...

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4 inch polyurethane on polyolefin wheel casters by tread

Tread	Core	Wheel sizes	Rated per caster	Listed temperature	Where it fits
Polyurethane	Polyolefin	4 in	300 lb		quiet, floor-friendly and long wearing

Ratings are for single casters of 4 inch polyurethane on polyolefin wheel casters, from product fields [S1].

Choosing 4 inch polyurethane on polyolefin wheel casters

Load: divide the loaded weight by three for a four-caster cart [S2]; at 300 lb each, 4 inch polyurethane on polyolefin wheel casters suit a loaded cart of about 900 lb.
Mount: most 4 inch polyurethane on polyolefin wheel casters use a 3-1/8 x 4-1/8 in top plate; check the bolt spacing on your frame against the plate size.
Floor: on 4 inch polyurethane on polyolefin wheel casters, polyurethane protects finished floors and runs quietly; check the rating if the cart also crosses rough concrete.
Rig: swivel and rigid 4 inch polyurethane on polyolefin wheel casters are listed.

Related to 4 inch polyurethane on polyolefin wheel casters: industrial casters.

4 inch polyurethane on polyolefin wheel casters questions

How much weight can 4 inch polyurethane on polyolefin wheel casters carry?

Single 4 inch polyurethane on polyolefin wheel casters are rated 300 lb.

What top plate do 4 inch polyurethane on polyolefin wheel casters use?

Most 4 inch polyurethane on polyolefin wheel casters use 3-1/8 x 4-1/8 in.

What wheel material is most common on 4 inch polyurethane on polyolefin wheel casters?

Polyurethane leads on 4 inch polyurethane on polyolefin wheel casters, rated 300 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

Plate Casters

Stem Casters

Stainless Casters

Ergonomic Casters

Leveling Casters

4 Inch Polyurethane on Polyolefin Wheel Casters

4 inch polyurethane on polyolefin wheel casters by tread

Choosing 4 inch polyurethane on polyolefin wheel casters

4 inch polyurethane on polyolefin wheel casters questions

Sources