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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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6" x 2" Thermoplastic Rubber Casters

Plate sizes: 4 x 4-1/2Bolt holes: 2-5/8 x 3-3/8 slotted to 3 x 3Diameter: 6 inTread: 2 inCapacity: up to 500 lb
Casters on the 4 x 4-1/2 plate pattern suit finished floors and quiet institutional carts. You will see wheel diameters 6 in, rubber and stainless treads, and capacities 500 lb across the SKUs listed below. Confirm stem length and thread pitch on stem mounts so the shoulder seats flush in the boss. Match bolt-hole spacing or stem diameter to the frame before you standardize a fleet.

2 options in this exact size and spec. See all casters by load capacity and mount type › or call 844-439-4335 for a cross-reference.

500 lbs
TieredPricing
Durastar Medium Heavy Duty S34 Series - 6" x 2" Thermoplastic Rubber Swivel Caster - 500 lb Capacity, & 4" x 4-1/2" Stainless Top Plate Durastar
Ships in 1-3 Business Days
6" x 2" Thermoplastic Rubber Swivel Stainless Caster – 500 lb · DuraStar S34 Series
Part # S34-S-620-TPR-03
from $62.00
Volume pricing available
Gray RubberPlate
Load rating
500 lbs
Diameter 6"
Capacity 500 lbs
Wheel Gray Rubber
Mount Plate
Plate Size 4" x 4-1/2"
More Details Less Details
Width 2"
Height 7-1/2"
Bolt Pattern 2-5/8" x 3-5/8" slotted to 3" x 3"
Core Polyolefin
Temp Range -20°F to 180°F
Rig Type Swivel
Brake No Brake
Frame Stainless Steel
Durastar Medium Heavy Duty S34 Series - 6" x 2" Thermoplastic Rubber Swivel Caster...
Shop Product
500 lbs
TieredPricing
Durastar Medium Heavy Duty S34 Series - 6" x 2" Thermoplastic Rubber Rigid Caster - 500 lb Capacity, & 4" x 4-1/2" Stainless Top Plate Durastar
Ships in 1-3 Business Days
6" x 2" Thermoplastic Rubber Rigid Stainless Caster – 500 lb · DuraStar S34 Series
Part # S34-R-620-TPR-03
from $51.00
Volume pricing available
Gray RubberPlate
Load rating
500 lbs
Diameter 6"
Capacity 500 lbs
Wheel Gray Rubber
Mount Plate
Plate Size 4" x 4-1/2"
More Details Less Details
Width 2"
Height 7-1/2"
Bolt Pattern 2-5/8" x 3-5/8" slotted to 3" x 3"
Core Polyolefin
Temp Range -20°F to 180°F
Rig Type Rigid
Brake No Brake
Frame Stainless Steel
Durastar Medium Heavy Duty S34 Series - 6" x 2" Thermoplastic Rubber Rigid Caster...
Shop Product

6-Inch TPR Threaded Stem Casters

6-inch thermoplastic rubber (TPR) threaded stem casters. Gray non-marking TPR wheels for heavy-duty shelving and equipment. Rated up to 400 lb per caster. Large wheel for rolling over rough warehouse floors and door thresholds.

Wheel: 6″ | Tread: Gray TPR | Mount: Threaded stem | Load: Up to 400 lb | Bearing: Ball | Swivel & rigid

Frequently Asked Questions

When do I need 6-inch stem casters? ›
Use 6-inch wheels when shelving is heavily loaded or when rolling across rough warehouse floors, expansion joints, and dock areas.
What thread sizes are available? ›
Multiple stem sizes are available. Check product listings or call 844-439-4335 for help matching your equipment.
Are 6-inch wheels hard to swivel? ›
No. Ball bearings provide smooth swiveling even under heavy loads.

Related Collections

All TPR Threaded Stem Rubber Caster Hub 4-Inch TPR Stem 5-Inch TPR Stem 8-Inch TPR Stem

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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