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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
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Furniture Glides
Floor Truck Locks

Floor Truck Locks
Swivel Locks

Swivel Locks
Wheel Bearings

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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Pallet Dollies
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Safe & Applicance Dollies
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Carts & Platform Trucks
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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
Ball Transfers

Ball Transfers
Moving Supplies

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
Low Profile Casters

Low Profile Casters
Cart Wheels & Casters

Cart Wheels & Casters
Toolbox Caster Sets

Toolbox Caster Sets
Bakery & High Temperature Casters

Bakery & High Temperature Casters
Kitchen Prep Table Caster Sets

Kitchen Prep Table Caster Sets
Wire Shelving Casters

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

W/ Superlast XC Wheels

Made to Order · 4-6 Wk
Hamilton Low Profile 2500 lbs. Load Capacity Swivel Caster - Dual Wheel 3 1/8" x 3" Poly on Steel Roller - With Needle Thrust & Roller Bearings on 3/4" Axle - Son of Mini-Mite S-SOMM2-313D70 Hamilton
Made in USA
Hamilton S-SOMM2-313D70 3 1/8" x 3" Poly Dual Wheel Swivel Caster – 2500 lb | CasterHQ $1,115.00 USD
Bulk Pricing
50+
5% off
100+
10% off
200+
15% off
Diameter 3-1/8"
Capacity 2500 lbs
Wheel Polyurethane
More Details Less Details
Width 3"
Height 4.75"
Temp Range -20°F to 180°F
Rig Type Swivel
Brake No Brake
Frame Zinc Plated Steel
Hamilton Low Profile Dual Wheel Swivel Caster - S-SOMM2-313D70 Engineered for Optimal Performance |...
Made to Order · 4-6 Wk
Hamilton Low Profile 2500 lbs. Load Capacity Rigid Caster - Dual Wheel 3 1/8" x 3" Poly on Steel Roller - With Needle Thrust & Roller Bearings on 3/4" Axle - Son of Mini-Mite R-SOMM2-313D70 Hamilton
Made in USA
Hamilton R-SOMM2-313D70 3 1/8" x 3" Poly Rigid Dual Wheel Caster – 2500 lb | CasterHQ $937.00 USD
Bulk Pricing
50+
5% off
100+
10% off
200+
15% off
Diameter 3-1/8"
Capacity 2500 lbs
Wheel Polyurethane
More Details Less Details
Width 3"
Height 4.75"
Temp Range -20°F to 180°F
Rig Type Rigid
Brake No Brake
Frame Zinc Plated Steel
Hamilton Low Profile Dual Wheel Rigid Caster - R-SOMM2-313D70 Engineered for Optimal Performance |...

Hamilton Son of Mini-Mite Casters with Superlast XC Wheels

High-Performance Superlast XC Wheels | Durable & Long-Lasting Casters

Introducing Hamilton's Premium Mini-Mite Casters

Discover the latest innovation in caster technology with the Hamilton Son of Mini-Mite Casters equipped with Superlast XC Wheels. These are precision-engineered for both durability and performance. Ideal for industrial and commercial usage, the Superlast XC Wheels guarantee smooth transitions and reduced wear-and-tear.

Leading the Way in Caster Durability and Performance

Join the professionals who trust Hamilton's expertise. The Son of Mini-Mite series redefines mobility, ensuring efficient and reliable operations. The integration of Superlast XC Wheels assures users of longevity and unmatched caster performance, all with the Hamilton quality seal.

Unsure Which Caster Fits Your Need? Hamilton's Experts Can Help

If the Hamilton Son of Mini-Mite Casters with Superlast XC Wheels has caught your attention, let our team assist further. Get expert advice on caster selection tailored to your specific requirements, available weekdays from 8 am - 5 pm.

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