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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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3.5" x 1.25" Casters

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: 3-1/2 inTread: 1-1/4 inCapacity: 140 lb per casterPlate sizes: 2-1/2 x 3
The two rubber casters here come from Hamilton with 3-1/2 in wheels, rated 140 lb each. The top plate is 2-1/2 x 3 in on all of them, in both swivel and rigid. Picks range from a Hamilton R-303-1/2-F 3.5 x 1.25 in flexonite rigid caster rated 140 lb to a Hamilton S-303-1/2-F 3.5 x 1.25 in flexonite swivel caster rated 140 lb.

2 options in this exact size and spec. See all Caster Wheels › or call 844-439-4335 for a cross-reference.

140 lbs
TieredPricing
Hamilton S-303-1/2-F Swivel Caster, 140 lbs Load Capacity, 3.5-inch Flexonite Rubber Wheel, 1/2-inch Oilless Sleeve Bearing - General Utility Hamilton
Made to Order · 4-6 Wk
Hamilton S-303-1/2-F 3.5" x 1.25" Flexonite Swivel Caster – 140 lb
Part # S-303-1-2-F
$41.00
Volume pricing available
RubberPlate
Load rating
140 lbs
Size3-1/2" x 1-1/4"
Capacity140 lbs
WheelRubber
MountPlate 2-1/2" x 3"
TypeSwivel
More Details Less Details
Width 1-1/4"
Height 4.8125"
Rig Type Swivel
Brake No Brake
Hamilton S-303-1/2-F Swivel Caster Enhanced Mobility and Durability High Load Capacity | Optimal Floor...
Shop Product
140 lbs
TieredPricing
Hamilton R-303-1/2-F Rigid Caster, 140 lbs Load Capacity, 3.5-inch Flexonite Rubber Wheel, 1/2-inch Oilless Sleeve Bearing - General Utility Hamilton
Made to Order · 4-6 Wk
Hamilton R-303-1/2-F 3.5" x 1.25" Flexonite Rigid Caster – 140 lb
Part # R-303-1-2-F
$27.00
Volume pricing available
RubberPlate
Load rating
140 lbs
Size3-1/2" x 1-1/4"
Capacity140 lbs
WheelRubber
MountPlate 2-1/2" x 3"
TypeRigid
More Details Less Details
Width 1-1/4"
Height 4.8125"
Rig Type Rigid
Brake No Brake
Hamilton R-303-1/2-F Rigid Caster Enhanced Mobility and Durability High Load Capacity | Optimal Floor...
Shop Product

Hamilton General Utility | 300 Casters with 3-1/2" Flexonite Wheels

3-1/2" Flexonite Wheels | High Durability & Smooth Operation

Reliable and Versatile Utility Casters

The Hamilton General Utility | 300 Casters are engineered for versatility and endurance. These casters, equipped with 3-1/2" Flexonite wheels, are an ideal choice for a range of applications, from industrial environments to retail spaces. They ensure smooth mobility and reliable performance.

Enhance Mobility and Efficiency

Opt for the Hamilton 300 series to facilitate effortless movement and to enhance the functionality of your carts and equipment. These casters are designed to withstand daily wear and tear while ensuring smooth operations.

Professional Assistance for Your Caster Needs

Need help choosing the right casters for your application? Our Hamilton Caster Experts are available to provide you with professional advice and tailored solutions. Contact us from 8 am - 5 pm on weekdays for expert guidance.

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