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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

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W/ Unilast Wheels

Available Configurations

Made to Order · 4-6 Wk
450 lbs
Hamilton S-HL-4UY Hi-Lo Swivel Caster, 4-Inch x 1.25-Inch Unilast Solid Polyurethane Wheel, 450 lbs Capacity - 5/8" Straight Roller Bearing Hamilton
Made in USA
Hamilton S-HL-4UY 4" x 1.25" Unilast Swivel Caster – 450 lb
Part # S-HL-4UY
$84.00 USD
Bulk Pricing
50+
5% off
100+
10% off
200+
15% off
Solid Polyurethane
Load rating
450 lbs
Capacity 450 lbs
Wheel Solid Polyurethane
More Details Less Details
Temp Range -20°F to 180°F
Rig Type Swivel
Brake No Brake
Frame Zinc Plated Steel
Hamilton S-HL-4UY Hi-Lo Swivel Caster 450 lbs Load Capacity | Solid Polyurethane Wheel High-Quality...
Made to Order · 4-6 Wk
450 lbs
Hamilton R-HL-4UY Hi-Lo Rigid Caster, 4-Inch x 1.25-Inch Unilast Solid Polyurethane Wheel, 450 lbs Capacity - 5/8" Straight Roller Bearing Hamilton
Made in USA
Hamilton R-HL-4UY 4" x 1.25" Unilast Rigid Caster – 450 lb
Part # R-HL-4UY
$77.00 USD
Bulk Pricing
50+
5% off
100+
10% off
200+
15% off
Solid Polyurethane
Load rating
450 lbs
Capacity 450 lbs
Wheel Solid Polyurethane
More Details Less Details
Temp Range -20°F to 180°F
Rig Type Rigid
Brake No Brake
Frame Zinc Plated Steel
Hamilton S-HL-4UY Hi-Lo Rigid Caster 450 lbs Load Capacity | Solid Polyurethane Wheel High-Quality...

Unilast Wheels - Series UY/HDUY: Performance and Durability

Capacities from 500 to 3200 lbs | Versatile & Robust

Unilast Wheels: Engineered for Medium Duty Loads

Hamilton's Unilast Wheels are designed for medium duty applications, offering a capacity range from 500 to 3200 lbs. These solid elastomer wheels provide high-performance under various conditions.

Unique Features for Hostile Environments

Ideal for environments where cleanliness is crucial, Unilast Wheels are steam cleanable and resistant to harsh substances such as blood, brine, salt, grease, and oils. Their standard hardness is rated at 75-80 Shore D, ensuring durability and resilience.

Available Sizes and Bearing Options

Choose from a range of sizes from 4" x 1-1/4" to 10" x 3", with three bearing options to suit various application needs: Delrin, Straight Roller, and Precision Sealed Ball Bearings.

Discover: The versatility and reliability of Unilast Wheels for your medium-duty requirements.

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