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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

Caster Wheel Materials & Selection Guide
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8" x 2" Polyurethane Casters - Ergo-Tech Swivel

Custom made to order. All sales final.

Each Hamilton product is custom manufactured for your order (lead time is shown on each product page). Please confirm all specs before checkout, since made-to-order items aren't eligible for returns, exchanges or refunds. Need help? Call 844-439-4335 or email info@casterhq.com and we'll verify fit for you.

Diameter: 4, 6, 8 inTread: 2 inCapacity: up to 1,200 lb
This collection gathers plate-mount casters used on warehouse carts on epoxy and smooth concrete. Typical builds show wheel diameters 4, 6, 8 in, polyurethane treads, and capacities 1,200 lb. Match bolt-hole spacing or stem diameter to the frame before you standardize a fleet. Pair swivel and rigid casters for tracking, or use total locks where the cart must park on a grade.
1000 lbs
TieredPricing
Hamilton Aerospace 8"x2" Spinfinity Swivel Caster - Ergo-Tech Polyurethane on Aluminum, 1/2" Sealed Bearings - Premium Quality for Aerospace Industry Hamilton
Made to Order · 4-6 Wk
Hamilton AEZFWH 8"x2" Ergo-Tech Swivel Spring Loaded Caster – 1000 lb
Part # S-AEZFWH-82EMB-1
from $1,065.00
Volume pricing available
PolyurethanePlate
Load rating
1000 lbs
Size8" x 2"
Capacity1000 lbs
WheelPolyurethane
MountPlate 4" x 5"
TypeSwivel
More Details Less Details
Width 2"
Height 8-1/2"
Bolt Pattern 2-5/8" x 3-5/8"
Core Aluminum
Temp Range -40°F to 200°F
Rig Type Swivel
Brake No Brake
Frame Platinum Powder
Hamilton Aerospace Spring Loaded Spinfinity (WH) Swivel Caster: Precision and Durability Combined Top-Quality Caster...
Shop Product
800 lbs
TieredPricing
S-AEZFWH-62EMB-1 Hamilton Aerospace Spinfinity Swivel Caster - 6" x 2" Ergo-Tech Polyurethane Wheel with Sealed Precision Bearings - Durable 87A on Aluminum for Aerospace Applications Hamilton
Made to Order · 4-6 Wk
Hamilton S-AEZFWH-62EMB-1 6" x 2" Ergo-Tech Swivel Spring Loaded Caster – 800 lb
Part # S-AEZFWH-62EMB-1
from $964.00
Volume pricing available
PolyurethanePlate
Load rating
800 lbs
Size6" x 2"
Capacity800 lbs
WheelPolyurethane
MountPlate 4" x 5"
TypeSwivel
More Details Less Details
Width 2"
Height 8-1/2"
Bolt Pattern 2-5/8" x 3-5/8"
Core Aluminum
Temp Range -40°F to 200°F
Rig Type Swivel
Brake No Brake
Frame Platinum Powder
S-AEZFWH-62EMB-1 Hamilton Aerospace Spring Loaded Spinfinity (WH) Swivel Caster 6" x 2" Ergo-Tech Polyurethane...
Shop Product
450 lbs
TieredPricing
Hamilton Aerospace 4"x2" Spinfinity Swivel Caster - Ergo-Tech Polyurethane on Aluminum with Sealed Bearings Hamilton
Made to Order · 4-6 Wk
Hamilton 4" x 2" Ergo-Tech Poly Swivel Spring Loaded Caster – 450 lb
Part # S-AEZFWH-42EMB-1
from $1,073.00
Volume pricing available
PolyurethanePlate
Load rating
450 lbs
Size4" x 2"
Capacity450 lbs
WheelPolyurethane
MountPlate 4" x 5"
TypeSwivel
More Details Less Details
Width 2"
Height 7-3/4"
Bolt Pattern 2-5/8" x 3-5/8"
Core Aluminum
Temp Range -40°F to 200°F
Rig Type Swivel
Brake No Brake
Frame Platinum Powder
Hamilton Aerospace Spring Loaded Spinfinity (WH) Swivel Caster Top-Quality 4" x 2" Ergo-Tech Polyurethane...
Shop Product
1000 lbs
TieredPricing
Hamilton Aerospace 8"x2" Spring Loaded Rigid Caster - Ergo-Tech Polyurethane on Aluminum, 1/2" Sealed Bearings - Premium Quality for Aerospace Industry Hamilton
Made to Order · 4-6 Wk
Hamilton AEZFWH 8"x2" Ergo-Tech Rigid Spring Loaded Caster – 1000 lb
Part # R-AEZFWH-82EMB-1
from $1,150.00
Volume pricing available
PolyurethanePlate
Load rating
1000 lbs
Size8" x 2"
Capacity1000 lbs
WheelPolyurethane
MountPlate 4" x 4-1/2"
TypeRigid
More Details Less Details
Width 2"
Height 10-1/2"
Bolt Pattern 2-5/8" x 3-5/8"
Core Aluminum
Temp Range -40°F to 200°F
Rig Type Rigid
Brake No Brake
Frame Platinum Powder
Hamilton Aerospace Spring Loaded (WH) Rigid Caster: Precision and Durability Combined Top-Quality Caster |...
Shop Product
800 lbs
TieredPricing
R-AEZFWH-62EMB-1 Hamilton Aerospace Spinfinity Rigid Caster - 6" x 2" Ergo-Tech Polyurethane Wheel with Sealed Precision Bearings - Durable 87A on Aluminum for Aerospace Applications Hamilton
Made to Order · 4-6 Wk
Hamilton R-AEZFWH-62EMB-1 6" x 2" Polyurethane Rigid Spring Loaded Caster
Part # R-AEZFWH-62EMB-1
from $1,056.00
Volume pricing available
PolyurethanePlate
Load rating
800 lbs
Size6" x 2"
Capacity800 lbs
WheelPolyurethane
MountPlate 4" x 4-1/2"
TypeRigid
More Details Less Details
Width 2"
Height 8-1/2"
Bolt Pattern 2-5/8" x 3-5/8"
Core Aluminum
Temp Range -40°F to 200°F
Rig Type Rigid
Brake No Brake
Frame Platinum Powder
R-AEZFWH-62EMB-1 Hamilton Aerospace Spring Loaded Spinfinity (WH) Rigid Caster 6" x 2" Ergo-Tech Polyurethane...
Shop Product
450 lbs
TieredPricing
Hamilton Aerospace 4"x2" Spinfinity Rigid Caster - Ergo-Tech Polyurethane on Aluminum with Sealed Bearings Hamilton
Made to Order · 4-6 Wk
Hamilton 4"x2" Ergo-Tech Poly Rigid Spring Loaded Caster – 450 lb
Part # R-AEZFWH-42EMB-1
from $881.00
Volume pricing available
PolyurethanePlate
Load rating
450 lbs
Size4" x 2"
Capacity450 lbs
WheelPolyurethane
MountPlate 4" x 4-1/2"
TypeRigid
More Details Less Details
Width 2"
Height 7-3/4"
Bolt Pattern 2-5/8" x 3-5/8"
Core Aluminum
Temp Range -40°F to 200°F
Rig Type Rigid
Brake No Brake
Frame Platinum Powder
Hamilton Aerospace Spring Loaded Spinfinity (WH) Rigid Caster Top-Quality 4" x 2" Ergo-Tech Polyurethane...
Shop Product

Hamilton’s Ergo-Tech Wheels: Ultimate Work Safety & Performance

450 - 1,000 lbs Capacity Range | Enhanced Efficiency & Safety

Ergo-Tech: The Ergonomic Revolution

Introducing Hamilton’s Ergo-Tech wheels, formerly Polylast, engineered for superior work safety and efficiency. Every aspect is designed to optimize performance, ensuring a safe, productive workplace.

Minimized Push/Pull Forces

Ergo-Tech wheels feature a unique half-round tread, skillfully engineered to reduce push/pull forces. Workers exert minimal effort, enhancing productivity and minimizing work-related injuries.

Seamless Movement

Experience effortless rolling with maintenance-free precision ball bearings. Enhance work speed and efficiency without the constant need for upkeep.

Optimal Work Safety

Hamilton’s Ergo-Tech is esteemed for ensuring reduced work-related injuries, an indispensable asset for optimal safety and efficiency in various industrial settings.

Experience Hamilton’s Innovation

Explore the world of enhanced safety and efficiency with our range of ergonomic wheels, driving innovation, and performance in industrial wheels and casters.

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