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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
Polyolefin Wheels

Polyolefin Wheels
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High Temperature Wheels
Track Wheels (All Types)

Track Wheels (All Types)
Hand Truck Wheels

Hand Truck Wheels
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Rubber Wheels (All Types)
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Nylon Wheels
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Keyed Drive Wheels
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Pneumatic Wheels
Atx Off-road Wheels

Atx Off-road Wheels
Poly Wheels (All Types)

Poly Wheels (All Types)
Phenolic Wheels

Phenolic Wheels
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Metal Wheels (All Types)
Flat-free (Foam-filled)

Flat-free (Foam-filled)
Wheel Replacement Parts

Wheel Replacement Parts
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Caster Plate Mounting Hardware

Caster Plate Mounting Hardware
Quick Change Caster Pads

Quick Change Caster Pads
Caster Frames - Swivel & Rigid

Caster Frames - Swivel & Rigid
Sockets & T-nuts For Casters

Sockets & T-nuts For Casters
Washers

Washers
Expanding Rubber Adapter Kits

Expanding Rubber Adapter Kits
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Bumpers
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Axles & Nuts
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Spanner Bushings
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Caster Shims & Weld Plates
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Furniture Glides
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Floor Truck Locks
Swivel Locks

Swivel Locks
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Wheel Bearings
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CORPS DESIGN
FAULTLESS MEDICAL CASTERS

FAULTLESS MEDICAL CASTERS

5" x 1-1/4" Polyurethane Casters

Plate sizes: 3-1/8 x 4-1/8Bolt holes: 1-3/4 x 2-15/16 slotted to 2-3/8 x 3-3/8Diameter: 3, 4, 5 inTread: 1-1/4 inCapacity: up to 450 lb
Casters on the 3-1/8 x 4-1/8 plate pattern suit warehouse carts on epoxy and smooth concrete. You will see wheel diameters 3, 4, 5 in, polyurethane treads, and capacities 400 to 450 lb across the SKUs listed below. Confirm stem length and thread pitch on stem mounts so the shoulder seats flush in the boss. When floors see chemicals or washdowns, prefer sealed bearings and non-absorbent wheel compounds.

Shop by type

3 types

Wheel = wheel diameter · capacity is per caster.

450 lbs
TieredPricing
Hamilton S-HL-5EMB Hi-Lo Swivel Caster, 450 lbs Load Capacity - 5" x 1 1/4" Ergo-Tech Donut Tread Polyurethane Wheel, 3/8" Sealed Precision Bearings, Aluminum - Durable Industrial Casters Hamilton
Made to Order · 4-6 Wk
Hamilton S-HL-5EMB 5" x 1 1/4" Polyurethane Swivel Caster – 450 lb
Part # S-HL-5EMB
from $103.00
Volume pricing available
PolyurethanePlate
Load rating
450 lbs
Diameter 5"
Capacity 450 lbs
Wheel Polyurethane
Mount Plate
Plate Size 3-1/8" x 4-1/8"
More Details Less Details
Width 1-1/4"
Height 6-3/8"
Bolt Pattern 1-3/4" x 3" and 2-3/8" x 3-3/8"
Core Aluminum
Temp Range -40°F to 200°F
Rig Type Swivel
Brake No Brake
Frame Bright Zinc Plated
Hamilton S-HL-5EMB Hi-Lo Swivel Caster: Heavy-Duty Mobility High Capacity and Durability | Versatile Industrial...
Shop Product
400 lbs
TieredPricing
Hamilton S-HL-4EMB Hi-Lo Swivel Caster - 4-inch Ergo-Tech Donut Tread Polyurethane Wheel, 400 lbs Load Capacity, 3/8" Precision Ball Bearings, Aluminum Core Hamilton
Made to Order · 4-6 Wk
Hamilton S-HL-4EMB 4" x 1-1/4" Ergo-Tech Swivel Caster – 400 lb
Part # S-HL-4EMB
from $104.00
Volume pricing available
PolyurethanePlate
Load rating
400 lbs
Diameter 4"
Capacity 400 lbs
Wheel Polyurethane
Mount Plate
Plate Size 3-1/8" x 4-1/8"
More Details Less Details
Width 1-1/4"
Height 5.375"
Bolt Pattern 1-3/4" x 3" and 2-3/8" x 3-3/8"
Core Aluminum
Temp Range -40°F to 200°F
Rig Type Swivel
Brake No Brake
Frame Bright Zinc Plated
Hamilton S-HL-4EMB Hi-Lo Swivel Caster: Superior Mobility Solution Enhanced Equipment Mobility | 400 lbs...
Shop Product
400 lbs
TieredPricing
Hamilton Hi-Lo 3" Swivel Caster - 400 lbs Load Capacity, Ergo-Tech Donut Tread Polyurethane Wheel, 3/8" Precision Ball Bearings Hamilton
Made to Order · 4-6 Wk
Hamilton 3" x 1 1/4" Ergo-Tech Swivel Caster – 400 lb
Part # S-HL-3EMB
$105.00
Volume pricing available
PolyurethanePlate
Load rating
400 lbs
Diameter 3"
Capacity 400 lbs
Wheel Polyurethane
Mount Plate
Plate Size 3-1/8" x 4-1/8"
More Details Less Details
Width 1-1/4"
Height 4"
Bolt Pattern 1-3/4" x 3" and 2-3/8" x 3-3/8"
Core Aluminum
Temp Range -40°F to 200°F
Rig Type Swivel
Brake No Brake
Frame Bright Zinc Plated
Hamilton Hi-Lo 3" Swivel Caster Top Mobility Solution Efficient & Durable | Ergo-Tech Polyurethane...
Shop Product
450 lbs
TieredPricing
Hamilton R-HL-5EMB Hi-Lo Rigid Caster, 450 lbs Load Capacity - 5" x 1 1/4" Ergo-Tech Donut Tread Polyurethane Wheel, 3/8" Sealed Precision Bearings, Aluminum - Durable Industrial Casters Hamilton
Made to Order · 4-6 Wk
Hamilton R-HL-5EMB 5" x 1 1/4" Ergo-Tech Rigid Caster – 450 lb
Part # R-HL-5EMB
from $96.00
Volume pricing available
PolyurethanePlate
Load rating
450 lbs
Diameter 5"
Capacity 450 lbs
Wheel Polyurethane
Mount Plate
Plate Size 3-1/8" x 4-1/8"
More Details Less Details
Width 1-1/4"
Height 6-3/8"
Bolt Pattern 1-3/4" x 3" and 2-3/8" x 3-3/8"
Core Aluminum
Temp Range -40°F to 200°F
Rig Type Rigid
Brake No Brake
Frame Bright Zinc Plated
Hamilton R-HL-5EMB Hi-Lo Rigid Caster: Heavy-Duty Mobility High Capacity and Durability | Versatile Industrial...
Shop Product
400 lbs
TieredPricing
Hamilton R-HL-4EMB Hi-Lo Rigid Caster - 4-inch Ergo-Tech Donut Tread Polyurethane Wheel, 400 lbs Load Capacity, 3/8" Precision Ball Bearings, Aluminum Core Hamilton
Made to Order · 4-6 Wk
Hamilton R-HL-4EMB 4" x 1 1/4" Ergo-Tech Rigid Caster – 400 lb
Part # R-HL-4EMB
from $96.00
Volume pricing available
PolyurethanePlate
Load rating
400 lbs
Diameter 4"
Capacity 400 lbs
Wheel Polyurethane
Mount Plate
Plate Size 3-1/8" x 4-1/8"
More Details Less Details
Width 1-1/4"
Height 5.375"
Bolt Pattern 1-3/4" x 3" and 2-3/8" x 3-3/8"
Core Aluminum
Temp Range -40°F to 200°F
Rig Type Rigid
Brake No Brake
Frame Bright Zinc Plated
Hamilton R-HL-4EMB Hi-Lo Rigid Caster: Superior Mobility Solution Enhanced Equipment Mobility | 400 lbs...
Shop Product
400 lbs
TieredPricing
Hamilton Hi-Lo 3" Rigid Caster - 400 lbs Load Capacity, Ergo-Tech Donut Tread Polyurethane Wheel, 3/8" Precision Ball Bearings Hamilton
Made to Order · 4-6 Wk
Hamilton 3" x 1 1/4" Ergo-Tech Polyurethane Rigid Caster – 400 lb
Part # R-HL-3EMB
$104.00
Volume pricing available
PolyurethanePlate
Load rating
400 lbs
Diameter 3"
Capacity 400 lbs
Wheel Polyurethane
Mount Plate
Plate Size 3-1/8" x 4-1/8"
More Details Less Details
Width 1-1/4"
Height 4"
Bolt Pattern 1-3/4" x 3" and 2-3/8" x 3-3/8"
Core Aluminum
Temp Range -40°F to 200°F
Rig Type Rigid
Brake No Brake
Frame Bright Zinc Plated
Hamilton Hi-Lo 3" Rigid Caster Top Mobility Solution Efficient & Durable | Ergo-Tech Polyurethane...
Shop Product

Hamilton Ergo-Tech Wheels: Enhanced Mobility & Comfort

Ergonomic Design | 450 - 1,000 lbs Capacity

Ergo-Tech Series: Minimize Push/Pull Forces

Discover Hamilton's Ergo-Tech wheels, expertly designed to reduce work-related injuries and minimize push/pull forces. Ideal for ergonomic efficiency, these wheels are a favorite among industry professionals for their effortless rolling and injury prevention capabilities.

Technical Specifications and Advantages

The Ergo-Tech series, with a capacity range of 450 – 1,000 lbs, features a unique half-round tread design, ensuring optimal performance. The maintenance-free precision ball bearings contribute to an exceptionally smooth rolling experience.

High-Quality Material for Superior Performance

The high energy, softer 87A durometer polyurethane offers enhanced traction, effectively repels foreign objects and debris, and runs quieter than most urethanes. These features make the Ergo-Tech wheels not only durable but also extremely efficient and quiet in operation.

Upgrade to the Hamilton Ergo-Tech Wheel Series for a seamless, ergonomic, and efficient material handling experience. Perfect for industries prioritizing safety, efficiency, and noise reduction.

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