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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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5" x 1.25" Thermoplastic Rubber Casters

Diameter: 5 inTread: 1-1/4 inPlate: 2-3/8 x 3-5/8 inCapacity: 315 lb per caster
This page lists 5 x 1-1/4 in thermoplastic rubber casters. Rubber on polyolefin cores is the most common tread here, rated 315 lb per caster. Sets of 4 list 1,260 lb combined.
1260 lbs
TieredPricing
5" X 1.25" Thermo Plastic Rubber Wheel - Swivel Caster Set of 4 - 1,260 lbs Capacity Per Set CasterHQ
In Stock · Same/Next Day
5" x 1.25" Thermo Plastic Rubber Swivel Caster · 1,260 lb set of 4
Part # 21CS514FX35X-01-SET
from $69.00
Volume pricing available
Gray RubberPlate
Load rating
1260 lbs
Size5" x 1-1/4"
Capacity1260 lbs
WheelGray Rubber
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"
Core Polyolefin
Rig Type Swivel
Brake No Brake
Frame Zinc Plated Steel
5" Gray Thermo Plastic Rubber Wheel - Swivel Caster Set of 4 - 1,260...
Shop Product
315 lbs
TieredPricing
5" X 1.25" Light Duty TPR FX Formula XS Rubber Wheel - Swivel Caster - 315 lbs Capacity CasterHQ
In Stock · Same/Next Day
5" x 1.25" TPR FX Formula XS Swivel Caster – 315 lb
Part # 21CS514FX35X-01
from $18.00
Volume pricing available
Gray RubberPlate
Load rating
315 lbs
Size5" x 1-1/4"
Capacity315 lbs
WheelGray Rubber
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"
Core Polyolefin
Rig Type Swivel
Brake No Brake
Frame Zinc Plated Steel
5" Gray Thermo Plastic Rubber Wheel - Swivel Caster - 315 lbs Capacity Great...
Shop Product
1260 lbs
TieredPricing
5" X 1.25" Thermo Plastic Rubber Caster Set of 4 - 2 Locking Swivel Casters & 2 Rigid - 1,260 lbs Capacity Per Set CasterHQ
In Stock · Same/Next Day
5" x 1.25" TPR Swivel & Rigid Caster Set · Model 21CS514FX35X-01-2LS-2R · 1,260 lb set of 4
Part # 21CS514FX35X-01-2LS-2R
from $77.00
Volume pricing available
Gray RubberPlate
Load rating
1260 lbs
Size5" x 1-1/4"
Capacity1260 lbs
WheelGray Rubber
MountPlate 2-3/8" x 3-5/8"
TypeSwivel with Brake, Rigid
More Details Less Details
Width 1-1/4"
Height 6-1/4"
Bolt Pattern 1-3/4" x 2-7/8"
Core Polyolefin
Rig Type Swivel with Brake, Rigid
Brake No Brake
Frame Zinc Plated Steel
5" Gray Thermo Plastic Rubber Wheel - 2 Locking Swivel & 2 Rigid Casters...
Shop Product
1260 lbs
TieredPricing
5" X 1.25" Thermo Plastic Rubber Caster Set of 4 - 2 Swivel & 2 Rigid Casters - 1,260 Capacity Per Set CasterHQ
In Stock · Same/Next Day
5" x 1.25" TPR Swivel & Rigid Caster Set · Model 21CS514FX35X-01-2S-2R · 1,260 lb set of 4
Part # 21CS514FX35X-01-2S-2R
from $67.00
Volume pricing available
Gray RubberPlate
Load rating
1260 lbs
Size5" x 1-1/4"
Capacity1260 lbs
WheelGray Rubber
MountPlate 2-3/8" x 3-5/8"
TypeSwivel, Rigid
More Details Less Details
Width 1-1/4"
Height 6-1/4"
Bolt Pattern 1-3/4" x 2-7/8"
Core Polyolefin
Rig Type Swivel, Rigid
Brake No Brake
Frame Zinc Plated Steel
5" Gray Thermo Plastic Rubber Wheel - Swivel Caster Set of 4 - 2...
Shop Product
315 lbs
TieredPricing
5" X 1.25" Light Duty TPR FX Formula XS Rubber Wheel - Rigid Caster - 315 lbs Capacity CasterHeadquarter
In Stock · Same/Next Day
5" x 1.25" FX Formula XS TPR Rigid Caster – 315 lb
Part # 21CR514FX35X-01
from $17.00
Volume pricing available
Gray RubberPlate
Load rating
315 lbs
Size5" x 1-1/4"
Capacity315 lbs
WheelGray Rubber
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"
Core Polyolefin
Rig Type Rigid
Brake No Brake
Frame Zinc Plated Steel
5" Gray Thermo Plastic Rubber Wheel - Rigid Caster - 315 lbs CapacityCasterHQ's 5...
Shop Product
1260 lbs
TieredPricing
5" X 1.25" Thermo Plastic Rubber Caster Set of 4 - Swivel Front Locking Casters - 1,260 lbs Capacity Per Set CasterHQ
In Stock · Same/Next Day
5" x 1.25" TPR Swivel Caster with Brake · 1,260 lb set of 4
Part # 21CS514FX35X-01-ASFL
from $112.00
Volume pricing available
Gray RubberPlate
Load rating
1260 lbs
Size5" x 1-1/4"
Capacity1260 lbs
WheelGray Rubber
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"
Core Polyolefin
Rig Type Swivel
Brake No Brake
Frame Zinc Plated Steel
5" Gray Thermo Plastic Rubber Wheel - Set of 4 Front Locking Swivel Caster...
Shop Product
1260 lbs
TieredPricing
5" X 1.25" Thermo Plastic Rubber Caster Set of 4 - All Swivel Locking Casters - 1,260 lbs Capacity Per Set CasterHQ
In Stock · Same/Next Day
5" x 1.25" Thermo Plastic Rubber Swivel Caster Set · 1,260 lb set of 4
Part # 21CS514FX35X-01-ASL
from $89.00
Volume pricing available
Gray RubberPlate
Load rating
1260 lbs
Size5" x 1-1/4"
Capacity1260 lbs
WheelGray Rubber
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"
Core Polyolefin
Rig Type Swivel
Brake No Brake
Frame Zinc Plated Steel
5" Gray Thermo Plastic Rubber Wheel - Set of 4 All Locking Swivel Caster...
Shop Product
315 lbs
TieredPricing
5" X 1.25" Light Duty TPR FX Formula XS Rubber Wheel - Swivel Caster with Top Locking Brake - 315 lbs Capacity CasterHQ
In Stock · Same/Next Day
5" x 1.25" TPR Swivel Caster with Top Locking Brake – 315 lb
Part # 21CS514FX35X-01-TLB
from $24.00
Volume pricing available
Gray RubberPlate
Load rating
315 lbs
Size5" x 1-1/4"
Capacity315 lbs
WheelGray Rubber
MountPlate 2-3/8" x 3-5/8"
TypeSwivel · Top Lock Brake
More Details Less Details
Width 1-1/4"
Height 6-1/4"
Bolt Pattern 1-3/4" x 2-7/8"
Core Polyolefin
Rig Type Swivel
Brake Top Lock Brake
Frame Zinc Plated Steel
5" Gray Thermo Plastic Rubber Wheel - Swivel Caster with Top Locking Brake -...
Shop Product

5 x 1-1/4 in thermoplastic rubber casters by tread

Tread Core Wheel sizes Rated per caster Listed temperature Where it fits
Rubber Polyolefin 5 in 315 lb cushioned and quiet on finished floors

Ratings are for single casters of 5 x 1-1/4 in thermoplastic rubber casters, from product fields [S1].

Choosing 5 x 1-1/4 in thermoplastic rubber casters

  1. Load: plan on three casters carrying a four-caster cart [S2]; 5 x 1-1/4 in thermoplastic rubber casters rated 315 lb each then carry about 945 lb.
  2. Mount: most 5 x 1-1/4 in thermoplastic rubber casters use a 2-3/8 x 3-5/8 in top plate; match the bolt holes on your frame to the plate before ordering.
  3. Floor: on 5 x 1-1/4 in thermoplastic rubber casters, rubber protects finished floors and runs quietly; check the rating if the cart also crosses rough concrete.
  4. Rig: swivel and rigid 5 x 1-1/4 in thermoplastic rubber casters are listed, with top lock brake options.

Related to 5 x 1-1/4 in thermoplastic rubber casters: thermo rubber wheels.

5 x 1-1/4 in thermoplastic rubber casters questions

How much weight can 5 x 1-1/4 in thermoplastic rubber casters carry?

Single 5 x 1-1/4 in thermoplastic rubber casters are rated 315 lb.

What top plate do 5 x 1-1/4 in thermoplastic rubber casters use?

Most 5 x 1-1/4 in thermoplastic rubber casters use 2-3/8 x 3-5/8 in.

What wheel material is most common on 5 x 1-1/4 in thermoplastic rubber casters?

Rubber leads on 5 x 1-1/4 in thermoplastic rubber casters, rated 315 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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