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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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Sockets & T-nuts For Casters
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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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Wheel Bearings
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3-1/4" x 2" Phenolic Casters

Diameter: 3-1/4 inTread: 2 inCapacity: up to 1,250 lb
Phenolic casters here serve bake carts, metalworking fixtures, and debris-heavy floors. You will see wheel diameters 3-1/4 in, phenolic treads, and plate-mount frames across the SKUs listed below. Use kingpinless or heavy plate series when shock loads keep shearing kingpin races. For dual-wheel or wide treads, check fork clearance and swivel radius in tight aisles. These medium-duty options cover everyday bake carts, metalworking fixtures, and debris-heavy floors without jumping to extreme forged series.

2 options in this exact size and spec. See all casters by load capacity and mount type › or call 844-439-4335 for a cross-reference.

1250 lbs
TieredPricing
Hamilton S-523-P Standard Duty Swivel Caster - 3 1/4" x 2" Plastex Phenolic Wheel with 3/4" Straight Roller Bearing for Industrial & Commercial Use Hamilton
Made to Order · 4-6 Wk
Hamilton S-523-P 3 1/4" x 2" Plastex Phenolic Swivel Caster – 1250 lb
Part # S-523-P
from $73.00
Volume pricing available
PhenolicPlate
Load rating
1250 lbs
Diameter 3-1/4"
Capacity 1250 lbs
Wheel Phenolic
Mount Plate
Plate Size 4" x 4-1/2"
More Details Less Details
Width 2"
Height 5-1/4"
Bolt Pattern 2-5/8" x 3-5/8" and 3" x 3"
Core Phenolic
Temp Range Up to 250°F
Rig Type Swivel
Brake No Brake
Frame Zinc Plated Steel
S-523-P Hamilton Standard Duty Swivel Caster with Plastex Phenolic Wheel 3 1/4" x 2"...
Shop Product
1250 lbs
TieredPricing
Hamilton R-523-P Standard Duty Rigid Caster - 3 1/4" x 2" Plastex Phenolic Wheel with 3/4" Straight Roller Bearing for Industrial & Commercial Use Hamilton
Made to Order · 4-6 Wk
Hamilton R-523-P 3 1/4" x 2" Plastex Phenolic Rigid Caster – 1250 lb
Part # R-523-P
from $50.00
Volume pricing available
PhenolicPlate
Load rating
1250 lbs
Diameter 3-1/4"
Capacity 1250 lbs
Wheel Phenolic
Mount Plate
Plate Size 4" x 4-1/2"
More Details Less Details
Width 2"
Height 5-1/4"
Bolt Pattern 2-5/8" x 3-5/8" and 3" x 3"
Core Phenolic
Temp Range Up to 250°F
Rig Type Rigid
Brake No Brake
Frame Zinc Plated Steel
R-523-P Hamilton Standard Duty Rigid Caster with Plastex Phenolic Wheel 3 1/4" x 2"...
Shop Product

Hamilton Standard Duty | 52 Casters with 3-1/4" Plastex Phenolic Wheels

3-1/4" Plastex Phenolic Wheels | Versatile & Durable

Reliable Performance for Light to Medium Loads

The Hamilton Standard Duty | 52 Series Casters are expertly designed for both light and medium load applications. Equipped with 3-1/4" Plastex Phenolic Wheels, these casters offer excellent durability and floor protection, ideal for a variety of environments, including warehouses, retail, and industrial settings.

Optimized for Efficiency and Longevity

Experience the perfect blend of efficiency and longevity with Hamilton's 52 Series Casters. The Plastex Phenolic Wheels ensure smooth movement and resistance to wear, making them a cost-effective solution for your material handling needs.

Need Assistance? Our Caster Experts are Here to Help

Selecting the right caster for your application is crucial. Our knowledgeable team is available Monday through Friday to assist you in making the best choice for your specific requirements.

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