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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
Plate Casters
Plate Casters
Stem Casters
Stem Casters
Stainless Casters
Stainless Casters
Ergonomic Casters
Ergonomic Casters
Leveling Casters
Leveling Casters
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Caster Wheel Materials & Selection Guide

Caster Wheel Materials & Selection Guide
Polyolefin Wheels

Polyolefin Wheels
High Temperature Wheels

High Temperature Wheels
Track Wheels (All Types)

Track Wheels (All Types)
Hand Truck Wheels

Hand Truck Wheels
Rubber Wheels (All Types)

Rubber Wheels (All Types)
Nylon Wheels

Nylon Wheels
Keyed Drive Wheels

Keyed Drive Wheels
Pneumatic Wheels

Pneumatic Wheels
Atx Off-road Wheels

Atx Off-road Wheels
Poly Wheels (All Types)

Poly Wheels (All Types)
Phenolic Wheels

Phenolic Wheels
Metal Wheels (All Types)

Metal Wheels (All Types)
Flat-free (Foam-filled)

Flat-free (Foam-filled)
Wheel Replacement Parts

Wheel Replacement Parts
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Caster Plate Mounting Hardware

Caster Plate Mounting Hardware
Quick Change Caster Pads

Quick Change Caster Pads
Caster Frames - Swivel & Rigid

Caster Frames - Swivel & Rigid
Sockets & T-nuts For Casters

Sockets & T-nuts For Casters
Washers

Washers
Expanding Rubber Adapter Kits

Expanding Rubber Adapter Kits
Bumpers

Bumpers
Axles & Nuts

Axles & Nuts
Spanner Bushings

Spanner Bushings
Caster Shims & Weld Plates

Caster Shims & Weld Plates
Furniture Glides

Furniture Glides
Floor Truck Locks

Floor Truck Locks
Swivel Locks

Swivel Locks
Wheel Bearings

Wheel Bearings
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Furniture Dollies

Furniture Dollies
Hydraulic Lift Tables

Hydraulic Lift Tables
Utility Carts

Utility Carts
Pallet Dollies

Pallet Dollies
Safe & Applicance Dollies

Safe & Applicance Dollies
Carts & Platform Trucks

Carts & Platform Trucks
Hand Trucks & Accessories

Hand Trucks & Accessories
Ratchet Straps & Tie Downs

Ratchet Straps & Tie Downs
Three Wheel Dollies

Three Wheel Dollies
Wire Shelving

Wire Shelving
Pallet Jacks

Pallet Jacks
Stackers

Stackers
Heavy Duty Tilt Trucks

Heavy Duty Tilt Trucks
Ball Transfers

Ball Transfers
Moving Supplies

Moving Supplies
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Specialty Casters

Specialty Casters
Gate Casters

Gate Casters
BBQ Pit & Smoker Casters

BBQ Pit & Smoker Casters
Keyed Drive Wheels

Keyed Drive Wheels
Drywall Cart Casters

Drywall Cart Casters
Skid Wheels & Casters for RVs

Skid Wheels & Casters for RVs
Leveling Casters

Leveling Casters
Shopping Cart Wheels & Casters

Shopping Cart Wheels & Casters
Band Equipment Casters & Wheels

Band Equipment Casters & Wheels
Low Profile Casters

Low Profile Casters
Cart Wheels & Casters

Cart Wheels & Casters
Toolbox Caster Sets

Toolbox Caster Sets
Bakery & High Temperature Casters

Bakery & High Temperature Casters
Kitchen Prep Table Caster Sets

Kitchen Prep Table Caster Sets
Wire Shelving Casters

Wire Shelving Casters
Silent Glide Casters

Silent Glide Casters
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ALBION CASTERS

ALBION CASTERS
BLICKLE CASTERS

BLICKLE CASTERS
HAMILTON CASTERS

HAMILTON CASTERS
P&H CASTERS

P&H CASTERS
SHEPHERD CASTERS

SHEPHERD CASTERS
B&P MANUFACTURING

B&P MANUFACTURING
SAFE 'N SECURE

SAFE 'N SECURE
HUDSON BEARINGS

HUDSON BEARINGS
QUANTUM STORAGE

QUANTUM STORAGE
AMERICAN MOVING SUPPLIES

AMERICAN MOVING SUPPLIES
COLSON CASTERS

COLSON CASTERS
DURASTAR CASTERS

DURASTAR CASTERS
CORPS DESIGN

CORPS DESIGN
FAULTLESS MEDICAL CASTERS

FAULTLESS MEDICAL CASTERS

4 Inch · Ships Fast

4" X 1.25" Light Duty TPR FX Formula XS Rubber Wheel - Swivel Caster - 300 lbs Capacity CasterHQ
4" x 1.25" TPR Swivel Caster – 300 lb | 2-3/8" x 3-5/8" Plate | CasterHQ from $16.00 USD
Diameter 4"
Capacity 300 lbs
Wheel Gray Rubber
Mount Plate
Plate Size 2-3/8" x 3-5/8"
More Details Less Details
Width 1-1/4"
Height 5-1/8"
Bolt Pattern 1-3/4" x 2-7/8"
Core Polyolefin
Temp Range -20°F to 180°F
Rig Type Swivel
Brake No Brake
Frame Zinc Plated Steel
Spec-first industrial selection for fit, capacity, and mounting.
View Details
4" X 1.25" Thermo Plastic Rubber Wheel - Swivel Caster Set of 4 - 1,200 lbs Capacity Per Set CasterHQ
4" x 1.25" Thermo Plastic Rubber Swivel Caster – 1,200 lb | CasterHQ $66.00 USD
Diameter 4"
Capacity 1200 lbs
Wheel Gray Rubber
Mount Plate
Plate Size 2-3/8" x 3-5/8"
More Details Less Details
Width 1-1/4"
Height 5-1/8"
Bolt Pattern 1-3/4" x 2-7/8"
Core Polyolefin
Temp Range -20°F to 180°F
Rig Type Swivel
Brake No Brake
Frame Zinc Plated Steel
Spec-first industrial selection for fit, capacity, and mounting.
4" X 1.25" Thermo Plastic Rubber Caster Set of 4 - 2 Locking Swivel Casters & 2 Rigid - 1,200 lbs Capacity Per Set CasterHQ
4" x 1.25" Thermo Plastic Rubber Swivel & Rigid Caster – 1,200 lb | CasterHQ $74.00 USD
Diameter 4"
Capacity 1200 lbs
Wheel Gray Rubber
Mount Plate
Plate Size 2-3/8" x 3-5/8"
More Details Less Details
Width 1-1/4"
Height 5-1/8"
Bolt Pattern 1-3/4" x 2-7/8"
Core Polyolefin
Temp Range -20°F to 180°F
Rig Type Rigid
Brake No Brake
Frame Zinc Plated Steel
Spec-first industrial selection for fit, capacity, and mounting.
4 Inch x 1.25 Inch Light Duty TPR Rigid Caster - 300 lbs Capacity | FX Formula XS Rubber Wheel CasterHeadquarter
4" x 1.25" TPR Rigid Caster – 300 lb | 2-3/8" x 3-5/8" Plate | CasterHQ $16.00 USD
Diameter 4"
Capacity 300 lbs
Wheel Gray Rubber
Mount Plate
Plate Size 2-3/8" x 3-5/8"
More Details Less Details
Width 1-1/4"
Height 5-1/8"
Bolt Pattern 1-3/4" x 2-7/8"
Core Polyolefin
Temp Range -20°F to 180°F
Rig Type Rigid
Brake No Brake
Frame Zinc Plated Steel
Spec-first industrial selection for fit, capacity, and mounting.
4" X 1.25" Thermo Plastic Rubber Caster Set of 4 - All Swivel Locking Casters - 1,200 lbs Capacity Per Set CasterHQ
4" x 1.25" Thermo Plastic Rubber Swivel Locking Caster – 1,200 lb | CasterHQ $86.00 USD
Diameter 4"
Capacity 1200 lbs
Wheel Gray Rubber
Mount Plate
Plate Size 2-3/8" x 3-5/8"
More Details Less Details
Width 1-1/4"
Height 5-1/8"
Bolt Pattern 1-3/4" x 2-7/8"
Core Polyolefin
Temp Range -20°F to 180°F
Rig Type Swivel
Brake No Brake
Frame Zinc Plated Steel
Spec-first industrial selection for fit, capacity, and mounting.
4" X 1.25" Thermo Plastic Rubber Caster Set of 4 - Swivel Front Locking Casters - 1,200 lbs Capacity Per Set CasterHQ
4" x 1.25" TPR Swivel Caster Set with Brake – 1,200 lb | CasterHQ $109.00 USD
Diameter 4"
Capacity 1200 lbs
Wheel Gray Rubber
Mount Plate
Plate Size 2-3/8" x 3-5/8"
More Details Less Details
Width 1-1/4"
Height 5-1/8"
Bolt Pattern 1-3/4" x 2-7/8"
Core Polyolefin
Temp Range -20°F to 180°F
Rig Type Swivel
Brake No Brake
Frame Zinc Plated Steel
Spec-first industrial selection for fit, capacity, and mounting.
4" X 1.25" Thermo Plastic Rubber Caster Set of 4 - 2 Locking Swivel Casters & 2 Non Locking Swivel - 1,260 lbs Capacity Per Set CasterHQ
4" x 1.25" Thermo Plastic Rubber Swivel Caster with Brake – 1,260 lb | CasterHQ $75.00 USD
Diameter 4"
Capacity 1260 lbs
Wheel Gray Rubber
Mount Plate
Plate Size 2-3/8" x 3-5/8"
More Details Less Details
Width 1-1/4"
Height 5-1/8"
Bolt Pattern 1-3/4" x 2-7/8"
Core Polyolefin
Temp Range -20°F to 180°F
Rig Type Swivel
Brake No Brake
Frame Zinc Plated Steel
Spec-first industrial selection for fit, capacity, and mounting.
4" X 1.25" Thermo Plastic Rubber Caster Set of 4 - 2 Swivel & 2 Rigid Casters - 1,200 lbs Capacity Per Set CasterHQ
4" x 1.25" Thermo Plastic Rubber Swivel & Rigid Caster – 1,200 lb | CasterHQ $63.00 USD
Diameter 4"
Capacity 1200 lbs
Wheel Gray Rubber
Mount Plate
Plate Size 2-3/8" x 3-5/8"
More Details Less Details
Width 1-1/4"
Height 5-1/8"
Bolt Pattern 1-3/4" x 2-7/8"
Core Polyolefin
Temp Range -20°F to 180°F
Rig Type Swivel, Rigid
Brake No Brake
Frame Zinc Plated Steel
Spec-first industrial selection for fit, capacity, and mounting.
4" X 1.25" Light Duty TPR FX Formula XS Rubber Wheel - Swivel Caster with Top Locking Brake- 300 lbs Capacity CasterHQ
4" x 1.25" TPR Swivel Top Locking Brake Caster – 300 lb | CasterHQ $21.00 USD
Diameter 4"
Capacity 300 lbs
Wheel Gray Rubber
Mount Plate
Plate Size 2-3/8" x 3-5/8"
More Details Less Details
Width 1-1/4"
Height 5-1/8"
Bolt Pattern 1-3/4" x 2-7/8"
Core Polyolefin
Temp Range -20°F to 180°F
Rig Type Swivel
Brake Side Lock Brake
Frame Zinc Plated Steel
Spec-first industrial selection for fit, capacity, and mounting.

4-Inch TPR Rubber Plate Casters — 2-3/8″ × 3-5/8″ Plate

4-inch thermoplastic rubber (TPR) plate casters with 2-3/8 × 3-5/8 inch top plate. The most popular wheel size for this plate. Gray non-marking wheels rated up to 300 lb per caster. Ideal for utility carts, medical carts, food service, and office furniture.

Wheel: 4″ | Tread: Gray TPR | Core: Polypropylene | Plate: 2-3/8″ × 3-5/8″ | Load: Up to 300 lb | Bearing: Plain / ball | Swivel & rigid

Frequently Asked Questions

Why are 4-inch casters the most popular? ›
4-inch wheels balance maneuverability with load capacity and obstacle clearance. They roll easily over door thresholds and small cords while fitting under most standard-height equipment.
Are 4-inch TPR casters quiet enough for hospitals? ›
Yes. TPR rubber provides quiet, vibration-dampened rolling that meets noise requirements for hospitals, clinics, libraries, and offices.
Can I upgrade from 3-inch to 4-inch on the same plate? ›
Yes. Both use the same 2-3/8 x 3-5/8 bolt pattern. The 4-inch wheel adds about 1 inch of height but provides higher load capacity and smoother rolling.

Related Collections

All TPR Plate Casters Rubber Caster Hub 3-Inch TPR Plate 5-Inch TPR Plate TPR 2-3/8 Plate (Full)

CasterHQ — nationwide industrial caster and wheel supply. ISO-certified, ANSI-tested. Same-day dispatch on in-stock orders. Call 844-439-4335 or contact us for expert sizing help.

Caster Engineering Tools

These calculators apply to any caster application—even if you’re browsing a different category. Use them to estimate load rating per caster, select wheel material, and estimate push/pull force. Expand any tool for full analysis + a share-ready spec line.

Get Application Help Open Engineering Tools Hub
CasterSpec™ Load Calculator
Fast estimate. Expand for safety factor + uneven floor + spec output.
▾ Expand full calculator
Load
Copied.
Base per caster
—
Worst-case per caster
—
Recommended rating
—
Spec output (auto-generated)
—
Tip: paste into RFQs / threads. Expand tool for advanced inputs.
WheelMatch™ Material Selector
Fast recommendation. Expand for noise, duty cycle, floor protection.
▾ Expand full selector
Wheel
Copied.
Primary recommendation
—
Good alternate
—
When to avoid
—
Spec output (auto-generated)
—
Engineers share tools that output a clean “why” line.
PushForce™ Push/Pull Calculator
Estimate effort fast. Expand for operators, materials, bumps, startup mode.
▾ Expand full push/pull
Push
Copied.
Estimated total force
—
Per operator
—
Pass / target
—
Spec output (auto-generated)
—
If effort is high: bigger wheels + better material + smoother path wins.
More engineering tools ▾

Engineering Tools Hub

All tools + dedicated pages (best for sharing and EEAT). Open hub

Load Calculator (dedicated)

Share this page when discussing load rating per caster. Open load tool

Wheel Diameter Calculator

Publish the dedicated page, then replace this link. Find in hub

Failure Diagnosis Tool

Publish the dedicated page, then replace this link. Find in hub

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Stem Casters

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Stainless Casters

304 stainless steel casters: rust-resistant for tough, wet, and corrosive conditions

Stainless steel casters for medical, food service, and corrosion-resistant applications

Ergonomic Casters

Effortless mobility, cutting push-pull force by over 30% and lowering injury risks.

Ergonomic casters engineered for reduced push force and smooth rolling performance

Leveling Casters

Trusted worldwide for precision leveling and unmatched stability.

Leveling casters designed for equipment stabilization and precise mobility
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