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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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Polyolefin Wheels
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Nylon Wheels
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Keyed Drive Wheels
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Atx Off-road Wheels
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Poly Wheels (All Types)
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Phenolic Wheels
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Metal Wheels (All Types)
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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
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Washers
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Expanding Rubber Adapter Kits
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Axles & Nuts
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Spanner Bushings
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Caster Shims & Weld Plates
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Floor Truck Locks
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Swivel Locks
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Wheel Bearings
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Furniture & Equipment Movers
Furniture Dollies

Furniture Dollies
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Hydraulic Lift Tables
Utility Carts

Utility Carts
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Pallet Dollies
Safe & Applicance Dollies

Safe & Applicance Dollies
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Carts & Platform Trucks
Hand Trucks & Accessories

Hand Trucks & Accessories
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Ratchet Straps & Tie Downs
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Three Wheel Dollies
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Wire Shelving
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Pallet Jacks
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Stackers
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Heavy Duty Tilt Trucks
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Ball Transfers
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Moving Supplies
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FAULTLESS MEDICAL CASTERS

Hamilton Casters w/ Ergo Tech Wheels · Up to 1,250 lb · 5"–6" · Polyurethane

Diameter: 5, 6 inTread: 2 inCapacity: up to 1,250 lb
Industrial tread compounds casters here serve warehouse carts, racks, and everyday plant fixtures. Catalog chips cover wheel diameters 5, 6 in, plate-mount frames, and capacities 1,250 lb. Replace worn corners in matched sets when possible so the cart tracks straight under load. Confirm stem length and thread pitch on stem mounts so the shoulder seats flush in the boss. These medium-duty options cover everyday warehouse carts, racks, and everyday plant fixtures without jumping to extreme forged series.

Shop by type

3 types

Wheel = wheel diameter · capacity is per caster.

1250 lbs
TieredPricing
Hamilton S-MS-62EMB Medium Service Swivel Caster - 6x2" Ergo-Tech Polyurethane on Aluminum Wheel, Precision Bearings Hamilton
Made to Order · 4-6 Wk
Hamilton S-MS-62EMB 6" x 2" Ergo-Tech Swivel Caster – 1250 lb
Part # S-MS-62EMB
from $114.00
Volume pricing available
PolyurethanePlate
Load rating
1250 lbs
Diameter 6"
Capacity 1250 lbs
Wheel Polyurethane
Mount Plate
More Details Less Details
Width 2"
Height 7-1/2"
Core Aluminum
Temp Range -20°F to 180°F
Rig Type Swivel
Brake No Brake
Frame Zinc Plated Steel
Hamilton S-MS-62EMB Medium Service Swivel Caster | 6" x 2" Ergo-Tech Wheel Hamilton S-MS-62EMB...
Shop Product
1250 lbs
TieredPricing
Hamilton R-MS-62EMB Medium Service Rigid Caster - 6x2" Ergo-Tech Polyurethane on Aluminum Wheel, Precision Bearings Hamilton
Made to Order · 4-6 Wk
Hamilton R-MS-62EMB 6"x2" Ergo-Tech Rigid Caster – 1250 lb
Part # R-MS-62EMB
from $103.00
Volume pricing available
PolyurethanePlate
Load rating
1250 lbs
Diameter 6"
Capacity 1250 lbs
Wheel Polyurethane
Mount Plate
More Details Less Details
Width 2"
Height 7-1/2"
Core Aluminum
Temp Range -20°F to 180°F
Rig Type Rigid
Brake No Brake
Frame Zinc Plated Steel
Hamilton S-MS-62EMB Medium Service Swivel Caster | 6" x 2" Ergo-Tech Wheel Hamilton R-MS-62EMB...
Shop Product
1250 lbs
TieredPricing
Hamilton S-MS-82EMB Swivel Caster - 8" Ergo-Tech Polyurethane Wheel, Medium Service - Precision Ball Bearings Hamilton
Made to Order · 4-6 Wk
Hamilton S-MS-82EMB 8" x 2" Ergo-Tech Swivel Caster – 1250 lb
Part # S-MS-82EMB
from $166.00
Volume pricing available
PolyurethanePlate
Load rating
1250 lbs
Capacity 1250 lbs
Wheel Polyurethane
Mount Plate
More Details Less Details
Height 9-1/2"
Core Aluminum
Temp Range -20°F to 180°F
Rig Type Swivel
Brake No Brake
Frame Zinc Plated Steel
Hamilton S-MS-82EMB Medium Service Swivel Caster | 8" Ergo-Tech Wheel Hamilton S-MS-82EMB Medium Service...
Shop Product
1250 lbs
TieredPricing
Hamilton S-MS-52EMB Swivel Caster - 5x2 Inch Ergo-Tech Polyurethane on Aluminum Wheel, Precision Bearings for Enhanced Mobility Hamilton
Made to Order · 4-6 Wk
Hamilton S-MS-52EMB 5" x 2" Ergo-Tech Swivel Caster – 1250 lb
Part # S-MS-52EMB
from $109.00
Volume pricing available
PolyurethanePlate
Load rating
1250 lbs
Diameter 5"
Capacity 1250 lbs
Wheel Polyurethane
Mount Plate
More Details Less Details
Width 2"
Height 6-1/2"
Core Aluminum
Temp Range -20°F to 180°F
Rig Type Swivel
Brake No Brake
Frame Zinc Plated Steel
Hamilton S-MS-52EMB Medium Service Swivel Caster | 5" x 2" Ergo-Tech Wheel Hamilton S-MS-52EMB...
Shop Product
1250 lbs
TieredPricing
Hamilton R-MS-82EMB Rigid Caster - 8" Ergo-Tech Polyurethane Wheel, Medium Service - Precision Ball Bearings Hamilton
Made to Order · 4-6 Wk
Hamilton R-MS-82EMB 8" x 2" Ergo-Tech Rigid Caster – 1250 lb
Part # R-MS-82EMB
$184.00
Volume pricing available
PolyurethanePlate
Load rating
1250 lbs
Capacity 1250 lbs
Wheel Polyurethane
Mount Plate
More Details Less Details
Height 9-1/2"
Core Aluminum
Temp Range -20°F to 180°F
Rig Type Rigid
Brake No Brake
Frame Zinc Plated Steel
Hamilton S-MS-82EMB Medium Service Swivel Caster | 8" Ergo-Tech Wheel Hamilton R-MS-82EMB Medium Service...
Shop Product
1250 lbs
TieredPricing
Hamilton R-MS-52EMB Rigid Caster - 5x2 Inch Ergo-Tech Polyurethane on Aluminum Wheel, Precision Bearings for Enhanced Mobility Hamilton
Made to Order · 4-6 Wk
Hamilton R-MS-52EMB 5" x 2" Ergo-Tech Rigid Caster – 1250 lb
Part # R-MS-52EMB
from $103.00
Volume pricing available
PolyurethanePlate
Load rating
1250 lbs
Diameter 5"
Capacity 1250 lbs
Wheel Polyurethane
Mount Plate
More Details Less Details
Width 2"
Height 6-1/2"
Core Aluminum
Temp Range -20°F to 180°F
Rig Type Rigid
Brake No Brake
Frame Zinc Plated Steel
Hamilton S-MS-52EMB Medium Service Swivel Caster | 5" x 2" Ergo-Tech Wheel Hamilton R-MS-52EMB...
Shop Product

Hamilton Ergo-Tech Wheels Series EM

Ergonomic Design | 450 - 1,000 lbs Capacity

Optimize Your Workspace with Ergo-Tech™

Discover the Hamilton Ergo-Tech Series EM wheels, an ergonomist favorite, designed to reduce push/pull forces and minimize work-related injuries. Ideal for a range of 450 – 1,000 lbs, these wheels ensure effortless mobility in your workspace.

Advanced Design and Construction

Featuring a unique half-round tread combined with maintenance-free precision ball bearings, the Ergo-Tech wheels offer unmatched rolling ease. Its 87A durometer polyurethane construction not only enhances traction but also repels debris, ensuring a quieter operation.

Ergonomics Meets Durability

Built from the ground up with a focus on ergonomics, the Ergo-Tech wheels are Hamilton's premier choice for ergonomic efficiency. For those needing more durability and higher capacity, consider our Ergo-Glide wheels.

Note: Enhance your industrial or commercial environment with Hamilton's Ergo-Tech wheels, blending ergonomic design with robust functionality.

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