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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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4 Inch Thermoplastic Rubber Wheel Casters

2 options in this exact size and spec. See all Industrial Casters & Wheels | Heavy Duty, In Stock & Ships Fast › or call 844-439-4335 for a cross-reference.

300 lbs
TieredPricing
4" x 1-1/4" Swivel Caster | Thermo Plastic Rubber Wheel | 300 lbs Capacity | Plate Size: 3-1/8" x 4-1/8" CasterHQ
In Stock · Same/Next Day
4" x 1-1/4" Thermo Plastic Rubber Swivel Caster – 300 lb · 3-1/8" X 4-1/8" - OVERALL SIZE Plate
Part # HQ1340S-PL2-TP
from $19.00
Volume pricing available
Gray RubberPlate
Load rating
300 lbs
Diameter 4"
Capacity 300 lbs
Wheel Gray Rubber
Mount Plate
Plate Size 3-1/8" x 4-1/8"
More Details Less Details
Width 1-1/4"
Height 5-1/8"
Bolt Pattern 1-3/4" x 2-15/16"
Core Polyolefin
Temp Range -20°F to 180°F
Rig Type Swivel
Brake No Brake
Frame Zinc Plated Steel
4" x 1-1/4" Swivel Caster: High-Grade, Versatile & Durable 300 lbs Capacity | Thermo...
Shop Product
300 lbs
TieredPricing
In Stock · Same/Next Day
4" x 1-1/4" Thermo Plastic Rubber Rigid Caster – 300 lb
Part # HQ1340R-PL2-TP
from $19.00
Volume pricing available
Gray RubberPlate
Load rating
300 lbs
Diameter 4"
Capacity 300 lbs
Wheel Gray Rubber
Mount Plate
Plate Size 3-1/8" x 4-1/8"
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
Temp Range -20°F to 180°F
Rig Type Rigid
Brake No Brake
Frame Zinc Plated Steel
4" x 1-1/4" Rigid Caster | Thermo Plastic Rubber Wheel | 300 lbs Capacity...
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4-Inch TPR Casters — 3-1/8″ × 4-1/8″ Plate (Popular)

4-inch thermoplastic rubber casters on the popular 3-1/8 × 4-1/8 inch top plate. Best-selling size in this plate configuration. Gray non-marking TPR wheels rated up to 275 lb per caster. Ideal for medium-duty carts, medical equipment, and commercial furniture.

Wheel: 4″ | Tread: Gray TPR | Plate: 3-1/8″ × 4-1/8″ | Load: Up to 275 lb | Bearing: Ball | Swivel & rigid

Frequently Asked Questions

Why is 4-inch the best-selling size? ›
4-inch wheels provide the ideal balance of maneuverability, load capacity, and obstacle clearance for most commercial and institutional applications.
What bearing type do these use? ›
CasterHQ 4-inch TPR casters on the 3-1/8 plate use ball bearings for easy swiveling and low push force, even at full load.
What is the overall height? ›
Overall height is approximately 5-5/8 inches. Measure your equipment clearance before ordering.

Related Collections

All Popular TPR 3-1/8 Rubber Caster Hub 3-Inch Popular TPR 5-Inch Popular TPR

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.

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