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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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Caster Plate Mounting Hardware
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Quick Change Caster Pads
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Caster Frames - Swivel & Rigid
Sockets & T-nuts For Casters

Sockets & T-nuts For Casters
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Expanding Rubber Adapter Kits
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Mini-Mite

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 inTread: 3 inCapacity: 3,000 to 16,000 lb per casterBrand: Hamilton
The eight casters here come from Hamilton with 4 in wheels, rated 3,000 to 16,000 lb each. Swivel and rigid versions are both here and without brakes. Picks range from a Hamilton R-MM2-43NY 4 x 3 in solid cast nylon rigid dual wheel caster rated 5,000 lb to a Hamilton S-MM2-43FS 4 x 3 in steel swivel dual wheel caster rated 16,000 lb. Most are rated for -40°F to 320°F.

Shop by wheel material

3 types

Rubber and polyurethane favor floor protection; phenolic and steel favor heavy capacity. Compare materials →

5000 lbs
TieredPricing
Hamilton Mini-Mite S-MM2-43NY Low Profile Dual Wheel Swivel Caster - 4" x 3" Solid Cast Nylon Rollers with Needle Bearings - Ideal for E-commerce Platforms Hamilton
Made to Order · 4-6 Wk
Hamilton S-MM2-43NY 4" x 3" Nylon Swivel Dual Wheel Caster – 5000 lb
Part # S-MM2-43NY
$3,934.00
Volume pricing available
Nylon
Load rating
5000 lbs
Size4" x 3"
Capacity5000 lbs
WheelNylon
Mount—
TypeSwivel
More Details Less Details
Width 3"
Height 6"
Core Nylon
Temp Range -30°F to 220°F
Rig Type Swivel
Brake No Brake
Frame Battleship Gray
S-MM2-43NY Hamilton Mini-Mite Low Profile Dual Wheel Swivel Caster Two 4" x 3" Solid...
Shop Product
16000 lbs
TieredPricing
Hamilton Mini-Mite S-MM2-43FS Low Profile Dual Wheel Swivel Caster - 4" x 3" Steel Rollers with Needle Bearings on 1" Axle Hamilton
Made to Order · 4-6 Wk
Hamilton S-MM2-43FS 4" x 3" Steel Swivel Dual Wheel Caster – 16000 lb
Part # S-MM2-43FS
$3,470.00
Volume pricing available
Steel
Load rating
16000 lbs
Size4" x 3"
Capacity16000 lbs
WheelSteel
Mount—
TypeSwivel
More Details Less Details
Width 3"
Height 6"
Core Steel
Temp Range -40°F to 320°F
Rig Type Swivel
Brake No Brake
Frame Battleship Gray
S-MM2-43FS Hamilton Mini-Mite Low Profile Dual Wheel Swivel Caster Two 4" x 3" Steel...
Shop Product
3000 lbs
TieredPricing
Hamilton Mini-Mite S-MM2-43D70: Low Profile Dual Wheel Swivel Caster with 4" x 3" Polyurethane on Steel Rollers & Dual Needle Bearings Hamilton
Made to Order · 4-6 Wk
Hamilton S-MM2-43D70 4" x 3" Polyurethane Swivel Dual Wheel Caster – 3000 lb
Part # S-MM2-43D70
$4,102.00
Volume pricing available
Polyurethane
Load rating
3000 lbs
Size4" x 3"
Capacity3000 lbs
WheelPolyurethane
Mount—
TypeSwivel
More Details Less Details
Width 3"
Height 6"
Core Steel
Temp Range -50°F to 200°F
Rig Type Swivel
Brake No Brake
Frame Battleship Gray
S-MM2-43D70 Hamilton Mini-Mite Low Profile Dual Wheel Swivel Caster Two 4" x 3" Polyurethane...
Shop Product
10000 lbs
TieredPricing
Hamilton Mini-Mite 10,000 lbs. Load Capacity Low Profile Swivel Caster - 4" x 3" Steel Roller with Dual Needle Thrust & Roller Bearings on 1" Axle Hamilton
Made to Order · 4-6 Wk
Hamilton 4" x 3" Steel Swivel Low Profile Caster – 10,000 lb
Part # S-MM-43FS
$1,401.00
Volume pricing available
Steel
Load rating
10000 lbs
Size4" x 3"
Capacity10000 lbs
WheelSteel
Mount—
TypeSwivel
More Details Less Details
Width 3"
Height 6"
Core Steel
Temp Range -40°F to 320°F
Rig Type Swivel
Brake No Brake
Frame Battleship Gray
Hamilton Mini-Mite Low Profile Swivel Caster - 10,000 lbs Load Capacity Superior Strength |...
Shop Product
5000 lbs
TieredPricing
Hamilton Mini-Mite R-MM2-43NY Low Profile Dual Wheel Rigid Caster - 4" x 3" Solid Cast Nylon Rollers with Needle Bearings - Ideal for E-commerce Platforms Hamilton
Made to Order · 4-6 Wk
Hamilton R-MM2-43NY 4" x 3" Solid Cast Nylon Rigid Dual Wheel Caster
Part # R-MM2-43NY
$2,079.00
Volume pricing available
Nylon
Load rating
5000 lbs
Size4" x 3"
Capacity5000 lbs
WheelNylon
Mount—
TypeRigid
More Details Less Details
Width 3"
Height 6"
Core Nylon
Temp Range -30°F to 220°F
Rig Type Rigid
Brake No Brake
Frame Battleship Gray
R-MM2-43NY Hamilton Mini-Mite Low Profile Dual Wheel Rigid Caster Two 4" x 3" Solid...
Shop Product
16000 lbs
TieredPricing
Hamilton Mini-Mite R-MM2-43FS Low Profile Dual Wheel Rigid Caster - 4" x 3" Steel Rollers with Needle Bearings on 1" Axle Hamilton
Made to Order · 4-6 Wk
Hamilton R-MM2-43FS 4" x 3" Steel Rigid Dual Wheel Caster – 16000 lb
Part # R-MM2-43FS
$1,957.00
Volume pricing available
Steel
Load rating
16000 lbs
Size4" x 3"
Capacity16000 lbs
WheelSteel
Mount—
TypeRigid
More Details Less Details
Width 3"
Height 6"
Core Steel
Temp Range -40°F to 320°F
Rig Type Rigid
Brake No Brake
Frame Battleship Gray
R-MM2-43FS Hamilton Mini-Mite Low Profile Dual Wheel Rigid Caster Two 4" x 3" Steel...
Shop Product
3000 lbs
TieredPricing
Hamilton Mini-Mite R-MM2-43D70: Low Profile Dual Wheel Rigid Caster with 4" x 3" Polyurethane on Steel Rollers & Dual Needle Bearings Hamilton
Made to Order · 4-6 Wk
Hamilton R-MM2-43D70 4" x 3" Polyurethane Rigid Dual Wheel Caster – 3000 lb
Part # R-MM2-43D70
$4,443.00
Volume pricing available
Polyurethane
Load rating
3000 lbs
Size4" x 3"
Capacity3000 lbs
WheelPolyurethane
Mount—
TypeRigid
More Details Less Details
Width 3"
Height 6"
Core Steel
Temp Range -50°F to 200°F
Rig Type Rigid
Brake No Brake
Frame Battleship Gray
R-MM2-43D70 Hamilton Mini-Mite Low Profile Dual Wheel Rigid Caster Two 4" x 3" Polyurethane...
Shop Product
10000 lbs
TieredPricing
Hamilton Mini-Mite 10,000 lbs. Load Capacity Low Profile Rigid Caster - 4" x 3" Steel Roller with Dual Needle Thrust & Roller Bearings on 1" Axle Hamilton
Made to Order · 4-6 Wk
Hamilton 4" x 3" Steel Rigid Low Profile Caster – 10,000 lb
Part # R-MM-43FS
$1,085.00
Volume pricing available
Steel
Load rating
10000 lbs
Size4" x 3"
Capacity10000 lbs
WheelSteel
Mount—
TypeRigid
More Details Less Details
Width 3"
Height 6"
Core Steel
Temp Range -40°F to 320°F
Rig Type Rigid
Brake No Brake
Frame Battleship Gray
Hamilton Mini-Mite Low Profile Rigid Caster - 10,000 lbs Load Capacity Superior Strength |...
Shop Product

Hamilton Mini-Mite Casters – Heavy-Duty Capacity up to 16,000 lbs

Heavy-Duty Performance | Premium Construction | Versatile Applications

Sturdy and Efficient Heavy-Duty Casters

Experience the pinnacle of caster engineering with the Hamilton Mini-Mite Casters. Specifically designed for heavy-duty applications, these casters can effortlessly support loads up to 16,000 lbs. Whether for industrial machinery or large-scale transport, the Mini-Mite offers unparalleled strength, durability, and reliability.

Redefining Mobility with the Hamilton Mini-Mite Series

Elevate your operational capabilities with Hamilton's Mini-Mite casters. Designed for exceptional performance, these casters stand out in both durability and efficiency. When you choose Hamilton, you're investing in a legacy of quality and innovation.

Unsure About Your Caster Choice? Hamilton Experts Ready to Assist

Thinking of integrating the Mini-Mite Casters into your operations? Let our experienced Caster Specialists guide you. We're here to provide expert advice and recommendations, ensuring you select the ideal caster solution for your unique requirements.

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