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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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DuraStar Stainless Steel Casters · 2 Inch Wide Stainless Steel Casters 1250 lb · 4"–8" · Nylon · 8 Styles · Ref 3

Diameter: 4 to 8 inTread: 2 inCapacity: 400 to 600 lb per casterPlate sizes: 4 x 4-1/2
This page lists eight nylon casters with 4 to 8 in wheels, rated 400 to 600 lb each, made by Durastar. Every one uses a 4 x 4-1/2 in top plate, and you can pick swivel or rigid and without brakes. Examples include a 4 x 2 in rubber on glass-filled nylon rigid stainless caster rated 400 lb and an 8 x 2 in rubber on nylon swivel stainless caster rated 600 lb.

Shop by type

4 types

Wheel = wheel diameter · capacity is per caster.

550 lbs
TieredPricing
Durastar Medium Heavy Duty S34 Series - 6" x 2" Rubber on Glass-filled Nylon Swivel Caster - 550 lb Capacity, & 4" x 4-1/2" Stainless Top Plate Durastar
Ships in 1-3 Business Days
6" x 2" Rubber on Glass-filled Nylon Swivel Stainless Caster – 550 lb
Part # S34-S-620-RN-03
from $74.00
Volume pricing available
NylonPlate
Load rating
550 lbs
Size6" x 2"
Capacity550 lbs
WheelNylon
MountPlate 4" x 4-1/2"
TypeSwivel
More Details Less Details
Width 2"
Height 7-1/2"
Bolt Pattern 2-5/8" x 3-5/8" slotted to 3" x 3"
Temp Range Up to 180°F
Rig Type Swivel
Brake No Brake
Frame Stainless Steel
Durastar Medium Heavy Duty S34 Series - 6" x 2" Rubber on Glass-filled Nylon...
Shop Product
600 lbs
TieredPricing
Durastar Medium Heavy Duty S34 Series - 8" x 2" Rubber on Glass-filled Nylon Swivel Caster - 600 lb Capacity, & 4" x 4-1/2" Stainless Top Plate Durastar
Ships in 1-3 Business Days
8" x 2" Rubber on Nylon Swivel Stainless Caster – 600 lb · DuraStar S34 Series
Part # S34-S-820-RN-03
from $80.00
Volume pricing available
NylonPlate
Load rating
600 lbs
Size8" x 2"
Capacity600 lbs
WheelNylon
MountPlate 4" x 4-1/2"
TypeSwivel
More Details Less Details
Width 2"
Height 9-1/2"
Bolt Pattern 2-5/8" x 3-5/8" slotted to 3" x 3"
Temp Range Up to 180°F
Rig Type Swivel
Brake No Brake
Frame Stainless Steel
Durastar Medium Heavy Duty S34 Series - 8" x 2" Rubber on Glass-filled Nylon...
Shop Product
450 lbs
TieredPricing
Durastar Medium Heavy Duty S34 Series - 5" x 2" Rubber on Glass-filled Nylon Swivel Caster - 450 lb Capacity, & 4" x 4-1/2" Stainless Top Plate Durastar
Ships in 1-3 Business Days
5" x 2" Rubber on Nylon Swivel Stainless Caster – 450 lb · DuraStar S34 Series
Part # S34-S-520-RN-03
from $64.00
Volume pricing available
NylonPlate
Load rating
450 lbs
Size5" x 2"
Capacity450 lbs
WheelNylon
MountPlate 4" x 4-1/2"
TypeSwivel
More Details Less Details
Width 2"
Height 6-1/2"
Bolt Pattern 2-5/8" x 3-5/8" slotted to 3" x 3"
Temp Range Up to 180°F
Rig Type Swivel
Brake No Brake
Frame Stainless Steel
Durastar Medium Heavy Duty S34 Series - 5" x 2" Rubber on Glass-filled Nylon...
Shop Product
400 lbs
TieredPricing
Durastar Medium Heavy Duty S34 Series - 4" x 2" Rubber on Glass-filled Nylon Swivel Caster - 400 lb Capacity, & 4" x 4-1/2" Stainless Top Plate Durastar
Ships in 1-3 Business Days
4" x 2" Rubber on Nylon Swivel Stainless Caster – 400 lb · DuraStar S34 Series
Part # S34-S-420-RN-03
from $57.00
Volume pricing available
NylonPlate
Load rating
400 lbs
Size4" x 2"
Capacity400 lbs
WheelNylon
MountPlate 4" x 4-1/2"
TypeSwivel
More Details Less Details
Width 2"
Height 5-5/8"
Bolt Pattern 2-5/8" x 3-5/8" slotted to 3" x 3"
Temp Range Up to 180°F
Rig Type Swivel
Brake No Brake
Frame Stainless Steel
Durastar Medium Heavy Duty S34 Series - 4" x 2" Rubber on Glass-filled Nylon...
Shop Product
600 lbs
TieredPricing
Durastar Medium Heavy Duty S34 Series - 8" x 2" Rubber on Glass-filled Nylon Rigid Caster - 600 lb Capacity, & 4" x 4-1/2" Stainless Top Plate Durastar
Ships in 1-3 Business Days
8" x 2" Rubber on Nylon Rigid Stainless Caster – 600 lb · DuraStar S34 Series
Part # S34-R-820-RN-03
from $67.00
Volume pricing available
NylonPlate
Load rating
600 lbs
Size8" x 2"
Capacity600 lbs
WheelNylon
MountPlate 4" x 4-1/2"
TypeRigid
More Details Less Details
Width 2"
Height 9-1/2"
Bolt Pattern 2-5/8" x 3-5/8" slotted to 3" x 3"
Temp Range Up to 180°F
Rig Type Rigid
Brake No Brake
Frame Stainless Steel
Durastar Medium Heavy Duty S34 Series - 8" x 2" Rubber on Glass-filled Nylon...
Shop Product
550 lbs
TieredPricing
Durastar Medium Heavy Duty S34 Series - 6" x 2" Rubber on Glass-filled Nylon Rigid Caster - 550 lb Capacity, & 4" x 4-1/2" Stainless Top Plate Durastar
Ships in 1-3 Business Days
6" x 2" Rubber on Glass-filled Nylon Rigid Caster – 550 lb
Part # S34-R-620-RN-03
from $59.00
Volume pricing available
NylonPlate
Load rating
550 lbs
Size6" x 2"
Capacity550 lbs
WheelNylon
MountPlate 4" x 4-1/2"
TypeRigid
More Details Less Details
Width 2"
Height 7-1/2"
Bolt Pattern 2-5/8" x 3-5/8" slotted to 3" x 3"
Temp Range Up to 180°F
Rig Type Rigid
Brake No Brake
Frame Stainless Steel
Durastar Medium Heavy Duty S34 Series - 6" x 2" Rubber on Glass-filled Nylon...
Shop Product
450 lbs
TieredPricing
Durastar Medium Heavy Duty S34 Series - 5" x 2" Rubber on Glass-filled Nylon Rigid Caster - 450 lb Capacity, & 4" x 4-1/2" Stainless Top Plate Durastar
Ships in 1-3 Business Days
5" x 2" Rubber on Nylon Rigid Stainless Caster – 450 lb · DuraStar S34 Series
Part # S34-R-520-RN-03
from $52.00
Volume pricing available
NylonPlate
Load rating
450 lbs
Size5" x 2"
Capacity450 lbs
WheelNylon
MountPlate 4" x 4-1/2"
TypeRigid
More Details Less Details
Width 2"
Height 6-1/2"
Bolt Pattern 2-5/8" x 3-5/8" slotted to 3" x 3"
Temp Range Up to 180°F
Rig Type Rigid
Brake No Brake
Frame Stainless Steel
Durastar Medium Heavy Duty S34 Series - 5" x 2" Rubber on Glass-filled Nylon...
Shop Product
400 lbs
TieredPricing
Durastar Medium Heavy Duty S34 Series - 4" x 2" Rubber on Glass-filled Nylon Rigid Caster - 400 lb Capacity, & 4" x 4-1/2" Stainless Top Plate Durastar
Ships in 1-3 Business Days
4" x 2" Rubber on Glass-filled Nylon Rigid Stainless Caster – 400 lb
Part # S34-R-420-RN-03
from $46.00
Volume pricing available
NylonPlate
Load rating
400 lbs
Size4" x 2"
Capacity400 lbs
WheelNylon
MountPlate 4" x 4-1/2"
TypeRigid
More Details Less Details
Width 2"
Height 5-5/8"
Bolt Pattern 2-5/8" x 3-5/8" slotted to 3" x 3"
Temp Range Up to 180°F
Rig Type Rigid
Brake No Brake
Frame Stainless Steel
Durastar Medium Heavy Duty S34 Series - 4" x 2" Rubber on Glass-filled Nylon...
Shop Product

Durastar S34 Stainless — Rubber on Glass-Filled Nylon Wheels

Durastar S34 Series stainless steel casters with rubber on glass-filled nylon (RN) wheels. The glass-filled nylon core resists chemicals, solvents, and moisture while the rubber tread provides floor protection and quiet rolling. Premium choice for pharmaceutical, chemical processing, and food manufacturing environments.

Series: Durastar S34 | Frame: 304 stainless steel | Wheel: Rubber tread on glass-filled nylon core (RN) | Chemical-resistant core | Wheel Sizes: 4″, 5″, 6″, 8″ | Load Range: Up to 800 lb per caster

Frequently Asked Questions

What is a rubber on glass-filled nylon wheel? ›
A wheel with a glass-reinforced nylon core (for strength and chemical resistance) wrapped with a rubber tread (for floor protection). The nylon core resists chemicals that would damage standard polypropylene cores.
When should I choose RN over TPR on the S34? ›
Choose RN when your environment involves chemicals, solvents, or harsh cleaning agents. The glass-filled nylon core withstands a broader range of chemicals than standard polypropylene. If you only need water/steam resistance, TPR is usually sufficient.
Are S34 RN casters autoclavable? ›
The stainless frames and nylon cores handle high-temperature cleaning. Verify specific temperature and chemical compatibility for your application. Contact CasterHQ for detailed chemical resistance data.

Related Rubber Caster Collections

Rubber Caster Hub S34 Stainless TPR S34 Duratek Rubber Light Duty Stainless TPR All Stainless Casters

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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