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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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ERN

Diameter: 4, 5, 6, 8 inTread: 1-1/4, 2 inCapacity: up to 600 lb
ERN covers bare nylon and rubber wheels sized for industrial caster forks. You will see wheel diameters 4, 5, 6, 8 in, nylon and rubber treads, and capacities 300 to 600 lb across the SKUs listed below. Match bore, hub length, and overall wheel width to the fork before ordering a bare wheel. Confirm bearing type and axle hardware so the replacement spins freely under load.

Shop by wheel type

4 types

Wheel = wheel diameter · capacity is per wheel.

300 lbs
TieredPricing
Durastar 4" x 1-1/4" Elastic Rubber on Nylon Wheel Wheel, 300 lbs Capacity and 1/2" Roller Durastar
Ships in 1-3 Business Days
4" x 1-1/4" Elastic Rubber Wheel – 300 lb
Part # 414-ERN-21U
from $21.00
Volume pricing available
Nylon
Load rating
300 lbs
Diameter 4"
Capacity 300 lbs
Wheel Nylon
More Details Less Details
Width 1-1/4"
Temp Range -20°F to 180°F
Frame Zinc Plated Steel
Durastar 4" x 1-1/4" Elastic Rubber Wheel with Nylon Core – 300 lbs Capacity,...
Shop Product
600 lbs
TieredPricing
Durastar 8" x 2" Elastic Rubber on Nylon Wheel Wheel, 600 lbs Capacity and 6203 Precision Ball Durastar
Ships in 1-3 Business Days
8" x 2" Elastic Rubber Nylon Industrial Replacement Wheel – 600 lb
Part # 820-ERN-63U
from $33.00
Volume pricing available
Nylon
Load rating
600 lbs
Diameter 8"
Capacity 600 lbs
Wheel Nylon
More Details Less Details
Width 2"
Temp Range -20°F to 180°F
Frame Zinc Plated Steel
Durastar 8" x 2" Elastic Rubber on Nylon Wheel with 6203 Precision Ball Bearing...
Shop Product
550 lbs
TieredPricing
Durastar 6" x 2" Elastic Rubber on Nylon Wheel Wheel, 550 lbs Capacity and 6203 Precision Ball Durastar
Ships in 1-3 Business Days
6" x 2" Elastic Rubber Industrial Replacement Wheel – 550 lb
Part # 620-ERN-63U
from $25.00
Volume pricing available
Nylon
Load rating
550 lbs
Diameter 6"
Capacity 550 lbs
Wheel Nylon
More Details Less Details
Width 2"
Temp Range -20°F to 180°F
Frame Zinc Plated Steel
Durastar 6" x 2" Elastic Rubber on Nylon Wheel with 6203 Precision Ball Bearing...
Shop Product
450 lbs
TieredPricing
Durastar 5" x 2" Elastic Rubber on Nylon Wheel Wheel, 450 lbs Capacity and 6203 Precision Ball Durastar
Ships in 1-3 Business Days
5" x 2" Elastic Rubber Industrial Replacement Wheel – 450 lb
Part # 520-ERN-63U
from $24.00
Volume pricing available
Nylon
Load rating
450 lbs
Diameter 5"
Capacity 450 lbs
Wheel Nylon
More Details Less Details
Width 2"
Temp Range -20°F to 180°F
Frame Zinc Plated Steel
Durastar 5" x 2" Elastic Rubber on Nylon Wheel – 450 lbs Capacity with...
Shop Product
400 lbs
TieredPricing
Durastar 4" x 2" Elastic Rubber on Nylon Wheel Wheel, 400 lbs Capacity and 6203 Precision Ball Durastar
Ships in 1-3 Business Days
4" x 2" Elastic Rubber Industrial Replacement Wheel – 400 lb
Part # 420-ERN-63U
from $23.00
Volume pricing available
Nylon
Load rating
400 lbs
Diameter 4"
Capacity 400 lbs
Wheel Nylon
More Details Less Details
Width 2"
Temp Range -20°F to 180°F
Frame Zinc Plated Steel
Durastar 4" x 2" Elastic Rubber Wheel on Nylon Core – 6203 Precision Ball...
Shop Product

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