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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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2-3/8" x 3-5/8" Polyurethane Casters

Diameter: 5 inTread: 1-1/4 inPlate: 2-3/8 x 3-5/8 inCapacity: 350 lb per caster
This page lists 2-3/8 x 3-5/8 in polyurethane casters. Polyurethane is the most common tread on these 2-3/8 x 3-5/8 in polyurethane casters, rated 350 lb per caster. Sets of 4 2-3/8 x 3-5/8 in polyurethane casters list 1,400 lb combined.
1400 lbs
TieredPricing
5" Solid Polyurethane Wheel | 2 Locking Swivel 2 Rigid | Caster Set of 4 | Plate Size: 2-3/8" x 3-5/8" | 1,400 lbs Capacity Per Set CasterHQ
In Stock · Same/Next Day
5" Solid Polyurethane Swivel & Rigid Caster · 1,400 lb set of 4
Part # HQ1350S-PL1-SP-2SB2R
from $105.00
Volume pricing available
Blue Solid PolyurethanePlate
Load rating
1400 lbs
Size5" x 1-1/4"
Capacity1400 lbs
WheelBlue Solid Polyurethane
MountPlate 2-3/8" x 3-5/8"
TypeSwivel with Brake, Rigid · Side Lock Brake
More Details Less Details
Width 1-1/4"
Height 6-1/4"
Bolt Pattern 1-3/4" x 2-7/8"
Temp Range -45°F to 180°F
Rig Type Swivel with Brake, Rigid
Brake Side Lock Brake
Frame Stainless Steel
5" Solid Polyurethane Wheel | 2 Locking Swivel 2 Rigid | Caster Set of...
Shop Product
1400 lbs
TieredPricing
5" Solid Polyurethane Wheel | 2 Locking Swivel 2 Swivel | Caster Set of 4 | Plate Size: 2-3/8" x 3-5/8" | 1,400 lbs Capacity Per Set CasterHQ
In Stock · Same/Next Day
5" Solid Polyurethane Swivel Caster Set 2-3/8" x 3-5/8" Plate · 1,400 lb set of 4
Part # HQ1350S-PL1-SP-2SB2S
from $120.00
Volume pricing available
Blue Solid PolyurethanePlate
Load rating
1400 lbs
Size5" x 1-1/4"
Capacity1400 lbs
WheelBlue Solid Polyurethane
MountPlate 2-3/8" x 3-5/8"
TypeSwivel, Swivel with Brake · Side Lock Brake
More Details Less Details
Width 1-1/4"
Height 6-1/4"
Bolt Pattern 1-3/4" x 2-7/8"
Temp Range -45°F to 180°F
Rig Type Swivel, Swivel with Brake
Brake Side Lock Brake
Frame Stainless Steel
5" Solid Polyurethane Wheel | 2 Locking Swivel & 2 Swivel | Caster Set...
Shop Product
1400 lbs
TieredPricing
5" Solid Polyurethane Wheel | 4 Locking Swivels | Caster Set of 4 | Plate Size: 2-3/8" x 3-5/8" | 1,400 lbs Capacity Per Set CasterHQ
In Stock · Same/Next Day
5" Solid Polyurethane Swivel Caster with Brake · 1,400 lb set of 4
Part # HQ1350S-PL1-SP-4LS
from $130.00
Volume pricing available
Blue Solid PolyurethanePlate
Load rating
1400 lbs
Size5" x 1-1/4"
Capacity1400 lbs
WheelBlue Solid Polyurethane
MountPlate 2-3/8" x 3-5/8"
TypeSwivel with Brake · Side Lock Brake
More Details Less Details
Width 1-1/4"
Height 6-1/4"
Bolt Pattern 1-3/4" x 2-7/8"
Temp Range -45°F to 180°F
Rig Type Swivel with Brake
Brake Side Lock Brake
Frame Stainless Steel
5" Solid Polyurethane Wheel | 4 Locking Swivel | Caster Set of 4 |...
Shop Product
350 lbs
TieredPricing
5" Solid Polyurethane Wheel | Swivel Caster | Plate Size: 2-3/8" x 3-5/8" | 350 lbs Capacity CasterHQ
In Stock · Same/Next Day
5" Solid Polyurethane Swivel Caster – 350 lb
Part # HQ1350S-PL1-SP
from $28.00
Volume pricing available
Blue Solid PolyurethanePlate
Load rating
350 lbs
Size5" x 1-1/4"
Capacity350 lbs
WheelBlue Solid Polyurethane
MountPlate 2-3/8" x 3-5/8"
TypeSwivel
More Details Less Details
Width 1-1/4"
Height 6-1/4"
Bolt Pattern 1-3/4" x 2-7/8"
Temp Range -45°F to 180°F
Rig Type Swivel
Brake No Brake
Frame Zinc Plated Steel
5" Solid Polyurethane Wheel | Swivel Caster | 350 lb CapacityCapacities up to 350...
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350 lbs
TieredPricing
5" Solid Polyurethane Wheel | Rigid Caster | Plate Size: 2-3/8" x 3-5/8" | 350 lbs Capacity CasterHQ
In Stock · Same/Next Day
5" Solid Polyurethane Rigid Caster – 350 lb
Part # HQ1350R-PL1-SP
from $27.00
Volume pricing available
Blue Solid PolyurethanePlate
Load rating
350 lbs
Size5" x 1-1/4"
Capacity350 lbs
WheelBlue Solid Polyurethane
MountPlate 2-3/8" x 3-5/8"
TypeRigid
More Details Less Details
Width 1-1/4"
Height 6-1/4"
Bolt Pattern 1-3/4" x 2-7/8"
Temp Range -45°F to 180°F
Rig Type Rigid
Brake No Brake
Frame Zinc Plated Steel
5" Solid Polyurethane Wheel | Rigid Caster | 350 lb CapacityCapacities up to 350...
Shop Product
350 lbs
TieredPricing
5" Solid Polyurethane Wheel | Swivel Caster with Top Locking Brake | Plate Size: 2-3/8" x 3-5/8" | 350 lbs Capacity CasterHQ
In Stock · Same/Next Day
5" Solid Polyurethane Swivel Caster with Brake – 350 lb
Part # 21TS514SPU83L-01
from $33.00
Volume pricing available
Blue Solid PolyurethanePlate
Load rating
350 lbs
Size5" x 1-1/4"
Capacity350 lbs
WheelBlue Solid Polyurethane
MountPlate 2-3/8" x 3-5/8"
TypeSwivel with Brake · Side Lock Brake
More Details Less Details
Width 1-1/4"
Height 6-1/4"
Bolt Pattern 1-3/4" x 2-7/8"
Temp Range -45°F to 180°F
Rig Type Swivel with Brake
Brake Side Lock Brake
Frame Stainless Steel
5" Solid Polyurethane Wheel | Swivel Caster with Top Locking Brake | 350 lb...
Shop Product

2-3/8 x 3-5/8 in polyurethane casters by tread

Tread Core Wheel sizes Rated per caster Listed temperature Where it fits
Polyurethane 5 in 350 lb -45°F to 180°F quiet, floor-friendly and long wearing

Ratings are for single casters of 2-3/8 x 3-5/8 in polyurethane casters, from product fields [S1].

Choosing 2-3/8 x 3-5/8 in polyurethane casters

  1. Load: plan on three casters carrying a four-caster cart [S2]; 2-3/8 x 3-5/8 in polyurethane casters rated 350 lb each then carry about 1,050 lb.
  2. Mount: most 2-3/8 x 3-5/8 in polyurethane casters use a 2-3/8 x 3-5/8 in top plate; check the bolt spacing on your frame against the plate size.
  3. Floor: on 2-3/8 x 3-5/8 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 2-3/8 x 3-5/8 in polyurethane casters are listed, with side lock brake options.

2-3/8 x 3-5/8 in polyurethane casters questions

How much weight can 2-3/8 x 3-5/8 in polyurethane casters carry?

Single 2-3/8 x 3-5/8 in polyurethane casters are rated 350 lb.

What top plate do 2-3/8 x 3-5/8 in polyurethane casters use?

Most 2-3/8 x 3-5/8 in polyurethane casters use 2-3/8 x 3-5/8 in.

What wheel material is most common on 2-3/8 x 3-5/8 in polyurethane casters?

Polyurethane leads on 2-3/8 x 3-5/8 in polyurethane casters, rated 350 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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