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All measurements indicate the wheel diameter by the tread width.

The below capacity ranges indicate the working (dynamic) load that each caster will support. A safety factor should be included in your formula to determine your required load rating per caster.

W/(C-1)=R W is total weight needed to move. C is total number of casters required. R is ideal load rating, with safety factor built in. Divide the total load weight by one less caster than you will use to safely determine load rating.

Plate dimensions shown are overall mounting plate size.
When replacing existing casters, select the closest plate size and verify bolt-hole compatibility.
BHP = Bolt Hole Pattern, shown under each plate.

BHP: 1-3/4″ × 2-7/8″, slotted to 3″
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: 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: 2-5/8” 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"
BHP: 2-7/16" x 4-15/16" slotted to 3-3/8" x 5-1/4"
(3″ Wide Casters), Industry-Standard
(3″ Wide Casters), Industry-Standard
BHP: 3-3/8" x 5-1/4" slotted to 4-1/8" x 6-1/8"
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"
BHP: 4-1/8" x 6" slotted to 4-1/2" x 6-1/8"
View All • 21 Plate Sizes
View All • 21 Plate Sizes
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Caster Wheel Materials & Selection Guide

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3" x 1-1/4" Polyurethane Casters · 250 lb · 3-1/8" x 4-1/8" Plate

Diameter: 3 inTread: 1-1/4 inPlate: 3-1/8 x 4-1/8 inCapacity: 250 lb per caster
This page lists 3 x 1-1/4 in polyurethane casters. Polyurethane on polyolefin cores is the most common tread on these 3 x 1-1/4 in polyurethane casters, rated 250 lb per caster.
250 lbs
TieredPricing
3 Inch x 1-1/4 Inch Swivel Caster - 250 lbs Capacity | Gray Polyurethane Wheel | Plate Mount CasterHQ
In Stock · Same/Next Day
3" x 1-1/4" Polyurethane Swivel Caster – 250 lb
Part # HQ1330S-PL2-PP-GRAY
from $16.00
Volume pricing available
PolyurethanePlate
Load rating
250 lbs
Size3" x 1-1/4"
Capacity250 lbs
WheelPolyurethane
MountPlate 3-1/8" x 4-1/8"
TypeSwivel
More Details Less Details
Width 1-1/4"
Height 4-3/16"
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
3" x 1-1/4" Swivel Caster | Gray Polyurethane on Polyolefin Core Wheel | 250...
Shop Product
250 lbs
TieredPricing
3 Inch x 1-1/4 Inch Swivel Caster - 250 lbs Capacity | Red Polyurethane Wheel | Plate Mount CasterHQ
In Stock · Same/Next Day
3" x 1-1/4" Red Polyurethane Swivel Caster – 250 lb
Part # 24CS314PPU34K-02
from $16.00
Volume pricing available
PolyurethanePlate
Load rating
250 lbs
Size3" x 1-1/4"
Capacity250 lbs
WheelPolyurethane
MountPlate 3-1/8" x 4-1/8"
TypeSwivel
More Details Less Details
Width 1-1/4"
Height 4-3/16"
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
3" x 1-1/4" Swivel Caster | Red Polyurethane on Polyolefin Core Wheel | 250...
Shop Product
250 lbs
TieredPricing
3" x 1-1/4" Swivel Caster | Blue Polyurethane on Polyolefin Core Wheel | 250 lbs Capacity | Plate Size: 3-1/8" x 4-1/8" CasterHQ
In Stock · Same/Next Day
3" x 1-1/4" Polyurethane Swivel Caster – 250 lb
Part # HQ1330S-PL2-PP-BLUE
from $16.00
Volume pricing available
PolyurethanePlate
Load rating
250 lbs
Size3" x 1-1/4"
Capacity250 lbs
WheelPolyurethane
MountPlate 3-1/8" x 4-1/8"
TypeSwivel
More Details Less Details
Width 1-1/4"
Height 4-3/16"
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
3" x 1-1/4" Swivel Caster | Blue Polyurethane on Polyolefin Core Wheel | 250...
Shop Product
250 lbs
TieredPricing
3" x 1-1/4" Rigid Caster | Gray Polyurethane on Polyolefin Core Wheel | 250 lbs Capacity | Plate Size: 3-1/8" x 4-1/8" CasterHQ
In Stock · Same/Next Day
3" x 1-1/4" Polyurethane Rigid Caster – 250 lb
Part # HQ1330R-PL2-PP-GRAY
from $14.00
Volume pricing available
PolyurethanePlate
Load rating
250 lbs
Size3" x 1-1/4"
Capacity250 lbs
WheelPolyurethane
MountPlate 3-1/8" x 4-1/8"
TypeRigid
More Details Less Details
Width 1-1/4"
Height 4-3/16"
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
3" x 1-1/4" Rigid Caster | Gray Polyurethane on Polyolefin Core Wheel | 250...
Shop Product
250 lbs
TieredPricing
3" x 1-1/4" Rigid Caster | Red Polyurethane on Polyolefin Core Wheel | 250 lbs Capacity | Plate Size: 3-1/8" x 4-1/8" CasterHQ
In Stock · Same/Next Day
3" x 1-1/4" Polyurethane Rigid Caster – 250 lb
Part # HQ1330R-PL2-PP-RED
from $14.00
Volume pricing available
PolyurethanePlate
Load rating
250 lbs
Size3" x 1-1/4"
Capacity250 lbs
WheelPolyurethane
MountPlate 3-1/8" x 4-1/8"
TypeRigid
More Details Less Details
Width 1-1/4"
Height 4-3/16"
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
3" x 1-1/4" Rigid Caster | Red Polyurethane on Polyolefin Core Wheel | 250...
Shop Product
250 lbs
TieredPricing
3" x 1-1/4" Rigid Caster | Blue Polyurethane on Polyolefin Core Wheel | 250 lbs Capacity | Plate Size: 3-1/8" x 4-1/8" CasterHQ
In Stock · Same/Next Day
3" x 1-1/4" Polyurethane Rigid Caster – 250 lb
Part # HQ1330R-PL2-PP-BLUE
from $14.00
Volume pricing available
PolyurethanePlate
Load rating
250 lbs
Size3" x 1-1/4"
Capacity250 lbs
WheelPolyurethane
MountPlate 3-1/8" x 4-1/8"
TypeRigid
More Details Less Details
Width 1-1/4"
Height 4-3/16"
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
3" x 1-1/4" Rigid Caster | Blue Polyurethane on Polyolefin Core Wheel | 250...
Shop Product

3 x 1-1/4 in polyurethane casters by tread

Tread Core Wheel sizes Rated per caster Listed temperature Where it fits
Polyurethane Polyolefin 3 in 250 lb quiet, floor-friendly and long wearing

Ratings are for single casters of 3 x 1-1/4 in polyurethane casters, from product fields [S1].

Choosing 3 x 1-1/4 in polyurethane casters

  1. Load: plan on three casters carrying a four-caster cart [S2]; 3 x 1-1/4 in polyurethane casters rated 250 lb each then carry about 750 lb.
  2. Mount: most 3 x 1-1/4 in polyurethane casters use a 3-1/8 x 4-1/8 in top plate; check the bolt spacing on your frame against the plate size.
  3. Floor: on 3 x 1-1/4 in polyurethane casters, polyurethane protects finished floors and runs quietly; check the rating if the cart also crosses rough concrete.
  4. Rig: swivel and rigid 3 x 1-1/4 in polyurethane casters are listed.

Related to 3 x 1-1/4 in polyurethane casters: poly-on-poly casters.

3 x 1-1/4 in polyurethane casters questions

How much weight can 3 x 1-1/4 in polyurethane casters carry?

Single 3 x 1-1/4 in polyurethane casters are rated 250 lb.

What top plate do 3 x 1-1/4 in polyurethane casters use?

Most 3 x 1-1/4 in polyurethane casters use 3-1/8 x 4-1/8 in.

What wheel material is most common on 3 x 1-1/4 in polyurethane casters?

Polyurethane leads on 3 x 1-1/4 in polyurethane casters, rated 250 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.

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