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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
High Temperature Wheels

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)
Nylon Wheels

Nylon Wheels
Keyed Drive Wheels

Keyed Drive Wheels
Pneumatic Wheels

Pneumatic Wheels
Atx Off-road Wheels

Atx Off-road Wheels
Poly Wheels (All Types)

Poly Wheels (All Types)
Phenolic Wheels

Phenolic Wheels
Metal Wheels (All Types)

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
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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
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Swivel Locks
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Wheel Bearings
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Furniture Dollies
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Hydraulic Lift Tables
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Utility Carts
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Carts & Platform Trucks
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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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Specialty Casters

Specialty Casters
Gate Casters

Gate Casters
BBQ Pit & Smoker Casters

BBQ Pit & Smoker Casters
Keyed Drive Wheels

Keyed Drive Wheels
Drywall Cart Casters

Drywall Cart Casters
Skid Wheels & Casters for RVs

Skid Wheels & Casters for RVs
Leveling Casters

Leveling Casters
Shopping Cart Wheels & Casters

Shopping Cart Wheels & Casters
Band Equipment Casters & Wheels

Band Equipment Casters & Wheels
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Low Profile Casters
Cart Wheels & Casters

Cart Wheels & Casters
Toolbox Caster Sets

Toolbox Caster Sets
Bakery & High Temperature Casters

Bakery & High Temperature Casters
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Kitchen Prep Table Caster Sets
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Wire Shelving Casters
Silent Glide Casters

Silent Glide Casters
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ALBION CASTERS

ALBION CASTERS
BLICKLE CASTERS

BLICKLE CASTERS
HAMILTON CASTERS

HAMILTON CASTERS
P&H CASTERS

P&H CASTERS
SHEPHERD CASTERS

SHEPHERD CASTERS
B&P MANUFACTURING

B&P MANUFACTURING
SAFE 'N SECURE

SAFE 'N SECURE
HUDSON BEARINGS

HUDSON BEARINGS
QUANTUM STORAGE

QUANTUM STORAGE
AMERICAN MOVING SUPPLIES

AMERICAN MOVING SUPPLIES
COLSON CASTERS

COLSON CASTERS
DURASTAR CASTERS

DURASTAR CASTERS
CORPS DESIGN

CORPS DESIGN
FAULTLESS MEDICAL CASTERS

FAULTLESS MEDICAL CASTERS

4" Wheels

Made to Order · 4-6 Wk
Hamilton Aerospace S-AEZFWH-4MB-1 Swivel Caster - 4" x 2" Cast Iron Metal Wheel with 1/2" Sealed Bearings - Spring Loaded Spinfinity (WH) for Industrial Use Hamilton
Made in USA
Hamilton S-AEZFWH-4MB-1 4" x 2" Cast Iron Spring Loaded Swivel Caster – 1200 lb from $919.00 USD
Bulk Pricing
50+
5% off
100+
10% off
200+
15% off
Diameter 4"
Wheel Cast Iron
Mount Plate
More Details Less Details
Width 2"
Temp Range -20°F to 180°F
Rig Type Swivel
Brake No Brake
Frame Zinc Plated Steel
Hamilton Aerospace S-AEZFWH-4MB-1 Spring Loaded Spinfinity (WH) Swivel Caster Top-Quality Caster | Premium 4"...
View Details
Made to Order · 4-6 Wk
Hamilton Aerospace R-AEZFWH-4MB-1 Rigid Caster - 4" x 2" Cast Iron Metal Wheel with 1/2" Sealed Bearings - Spring Loaded Spinfinity (WH) for Industrial Use Hamilton
Made in USA
Hamilton R-AEZFWH-4MB-1 4" x 2" Cast Iron Rigid Spring Loaded Caster – 1200 lb | CasterHQ from $855.00 USD
Bulk Pricing
50+
5% off
100+
10% off
200+
15% off
Diameter 4"
Wheel Cast Iron
Mount Plate
More Details Less Details
Width 2"
Temp Range -20°F to 180°F
Rig Type Rigid
Brake No Brake
Frame Zinc Plated Steel
Hamilton Aerospace R-AEZFWH-4MB-1 Spring Loaded Spinfinity (WH) Rigid Caster Top-Quality Caster | Premium 4"...
View Details

Hamilton Spring Loaded | AEZFWH Casters with 4" Metal Wheels

Spring Loaded Suspension | 4" Durable Metal Wheels

Leading-Edge Spring Loaded Caster Design by Hamilton

Discover the industry-leading Hamilton Spring Loaded | AEZFWH Casters. Featuring resilient 4" metal wheels, these casters are the ideal choice for those requiring both durability and functionality. Thanks to the advanced spring-loaded suspension, they ensure a smooth and stable ride, even on uneven terrains. Shop now and elevate the mobility of your equipment.

Unmatched Durability and Smooth Mobility Combined

With Hamilton's AEZFWH series, experience the pinnacle of caster technology. Perfect for industrial and commercial applications, these spring-loaded casters with 4" metal wheels promise unparalleled durability and efficiency. Don't compromise; choose Hamilton for the best in caster technology.

Questions about Hamilton Casters? We're Here to Help

Thinking about integrating the AEZFWH casters into your setup? Our Hamilton Caster Specialists are always available to assist. Connect with us weekdays from 8 am - 5 pm for expert advice on the right caster solutions for your needs.

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