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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
Rubber Wheels (All Types)

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
Expanding Rubber Adapter Kits

Expanding Rubber Adapter Kits
Bumpers

Bumpers
Axles & Nuts

Axles & Nuts
Spanner Bushings

Spanner Bushings
Caster Shims & Weld Plates

Caster Shims & Weld Plates
Furniture Glides

Furniture Glides
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Floor Truck Locks
Swivel Locks

Swivel Locks
Wheel Bearings

Wheel Bearings
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Furniture & Equipment Movers
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Hydraulic Lift Tables
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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
Ratchet Straps & Tie Downs

Ratchet Straps & Tie Downs
Three Wheel Dollies

Three Wheel Dollies
Wire Shelving

Wire Shelving
Pallet Jacks

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

FAULTLESS MEDICAL CASTERS

Mini-Mite

Diameter: 4 inTread: 3 inCapacity: up to 16,000 lb
Polyurethane, nylon, and steel casters here serve chemical, food-contact, and washdown carts. Typical builds show wheel diameters 4 in, polyurethane, nylon, and steel treads, and industrial frames. Nylon resists moisture uptake and many chemicals on food and pharma carts. Softer treads quiet finished floors; harder compounds last longer on chips, heat, and rough concrete. These extreme-duty options cover everyday chemical, food-contact, and washdown carts without jumping to extreme forged series.

Shop by wheel material

3 types

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

16000 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 – 16000 lb
Part # S-MM2-43NY
$3,934.00
Volume pricing available
Nylon
Load rating
16000 lbs
Diameter 4"
Capacity 16000 lbs
Wheel Nylon
More Details Less Details
Width 3"
Height 6"
Core Nylon
Temp Range -20°F to 180°F
Rig Type Swivel
Brake No Brake
Frame Zinc Plated Steel
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
Diameter 4"
Capacity 16000 lbs
Wheel Steel
More Details Less Details
Width 3"
Height 6"
Core Steel
Temp Range -20°F to 180°F
Rig Type Swivel
Brake No Brake
Frame Zinc Plated Steel
S-MM2-43FS Hamilton Mini-Mite Low Profile Dual Wheel Swivel Caster Two 4" x 3" Steel...
Shop Product
16000 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 – 16000 lb
Part # S-MM2-43D70
$4,102.00
Volume pricing available
Polyurethane
Load rating
16000 lbs
Diameter 4"
Capacity 16000 lbs
Wheel Polyurethane
More Details Less Details
Width 3"
Height 6"
Core Steel
Temp Range -20°F to 180°F
Rig Type Swivel
Brake No Brake
Frame Zinc Plated Steel
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
Diameter 4"
Capacity 10000 lbs
Wheel Steel
More Details Less Details
Width 3"
Height 6"
Core Steel
Temp Range -20°F to 180°F
Rig Type Swivel
Brake No Brake
Frame Zinc Plated Steel
Hamilton Mini-Mite Low Profile Swivel Caster - 10,000 lbs Load Capacity Superior Strength |...
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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
Diameter 4"
Capacity 5000 lbs
Wheel Nylon
More Details Less Details
Width 3"
Height 6"
Core Nylon
Temp Range -20°F to 180°F
Rig Type Rigid
Brake No Brake
Frame Zinc Plated Steel
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
Diameter 4"
Capacity 16000 lbs
Wheel Steel
More Details Less Details
Width 3"
Height 6"
Core Steel
Temp Range -20°F to 180°F
Rig Type Rigid
Brake No Brake
Frame Zinc Plated Steel
R-MM2-43FS Hamilton Mini-Mite Low Profile Dual Wheel Rigid Caster Two 4" x 3" Steel...
Shop Product
16000 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 – 16000 lb
Part # R-MM2-43D70
$4,443.00
Volume pricing available
Polyurethane
Load rating
16000 lbs
Diameter 4"
Capacity 16000 lbs
Wheel Polyurethane
More Details Less Details
Width 3"
Height 6"
Core Steel
Temp Range -20°F to 180°F
Rig Type Rigid
Brake No Brake
Frame Zinc Plated Steel
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
Diameter 4"
Capacity 10000 lbs
Wheel Steel
More Details Less Details
Width 3"
Height 6"
Core Steel
Temp Range -20°F to 180°F
Rig Type Rigid
Brake No Brake
Frame Zinc Plated Steel
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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