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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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W/ 1/2" Roller Bearing

Made to Order · 4-6 Wk
Hamilton W-420-150-FUB-1/2 U-Grooved Wheel - 4" Diameter, 2" Face, 2 1/2" Hub, 1/2" Precision Ball Bearing for 1 1/2" Track - 1045 Steel Hamilton
Made in USA
Hamilton W-420-150-FUB-1/2 4" x 2" 1045 Steel U-Grooved Wheel – 6500 lb
Part # W-420-150-FUB-1-2
$199.00 USD
Bulk Pricing
50+
5% off
100+
10% off
200+
15% off
Full specifications — view product
Made to Order · 4-6 Wk
Hamilton W-420-131-FUB-1/2 U-Grooved Steel Wheel - 4" Diameter, 1045 Steel, Precision Ball Bearing for Tracks Hamilton
Made in USA
Hamilton W-420-131-FUB-1/2 4" x 2" 1045 Steel U-Grooved Wheel – 6500 lb
Part # W-420-131-FUB-1-2
$199.00 USD
Bulk Pricing
50+
5% off
100+
10% off
200+
15% off
Full specifications — view product
Made to Order · 4-6 Wk
Hamilton U-Grooved Steel Wheel 4"x2" - 1045 Steel with Precision Ball Bearing for 1 1/4" Track Hamilton
Made in USA
Hamilton W-420-125-FUB-1/2 4" x 2" 1045 Steel Wheel – 7500 lb
Part # W-420-125-FUB-1-2
from $199.00 USD
Bulk Pricing
50+
5% off
100+
10% off
200+
15% off
Forged Steel
Diameter 4"
Wheel Forged Steel
More Details Less Details
Width 2"
Temp Range -22°F to 750°F
Frame Zinc Plated Steel
Hamilton U-Grooved 1045 Steel Wheel W-420-125-FUB-1/2 4" Diameter x 2" Face x 2 1/2"...
View Details
Made to Order · 4-6 Wk
Hamilton U-Grooved 1045 Steel Wheel 4"x2" W-420-100-FUB-1/2 - Precision Ball Bearing for 1" Track, Heavy-Duty Industrial Use Hamilton
Made in USA
Hamilton W-420-100-FUB-1/2 4"x2" 1045 Steel Wheel – 6500 lb
Part # W-420-100-FUB-1-2
from $199.00 USD
Bulk Pricing
50+
5% off
100+
10% off
200+
15% off
Forged Steel
Diameter 4"
Wheel Forged Steel
More Details Less Details
Width 2"
Temp Range -22°F to 750°F
Frame Zinc Plated Steel
Hamilton U-Grooved 1045 Steel Wheel 4" x 2" - W-420-100-FUB-1/2 Hamilton U-Grooved 1045 Steel...
View Details
Made to Order · 4-6 Wk
Hamilton U-Grooved 1045 Steel Wheel 4" x 2" - Precision Ball Bearing for 7/8" Track - Durable Industrial & Warehouse Use W-420-088-FUB-1/2 Hamilton
Made in USA
Hamilton W-420-088-FUB-1/2 4" x 2" 1045 Steel Wheel – 6500 lb
Part # W-420-088-FUB-1-2
from $199.00 USD
Bulk Pricing
50+
5% off
100+
10% off
200+
15% off
Forged Steel
Diameter 4"
Wheel Forged Steel
More Details Less Details
Width 2"
Temp Range -22°F to 750°F
Frame Zinc Plated Steel
Hamilton U-Grooved Steel Wheel W-420-088-FUB-1/2 4" Diameter x 2" Face x 2 1/4" Hub...
View Details
Made to Order · 4-6 Wk
Hamilton U-Grooved Wheel 4" Diameter - 1045 Steel, 2" Wide with Precision Ball Bearing for 3/4" Track - W-420-075-FUB-1/2 Hamilton
Made in USA
Hamilton W-420-075-FUB-1/2 4" x 2" 1045 Steel Wheel – 6500 lb
Part # W-420-075-FUB-1-2
$199.00 USD
Bulk Pricing
50+
5% off
100+
10% off
200+
15% off
Full specifications — view product

Hamilton 4" 1045 Steel FUB Track U-Grooved Wheels with 1/2" bearings

Superior Load Capacity | 1/2" Bearings

Unmatched Durability & Performance

Engineered for excellence, the Hamilton 4" U-Grooved Wheels are crafted from high-strength 1045 steel, ensuring unparalleled durability and performance. Ideal for heavy-duty applications, these wheels feature 1/2" bearings for smooth, efficient operations across all types of tracks.

Versatility Across Industries

Whether it's for manufacturing, warehousing, or custom projects, our FUB Track U-Grooved Wheels offer the versatility and reliability your operations need. Their robust construction makes them perfect for navigating tight turns and heavy loads with ease.

Technical Specifications

Diameter: 4" | Material: 1045 Steel | Bearing Size: 1/2" | Load Capacity: Tailored for high-demand applications, contact us for specifics.

Why Choose Hamilton?

With a legacy of quality and innovation, Hamilton's U-Grooved Wheels are designed to meet the rigorous demands of industrial environments. Experience the difference in mobility and efficiency that Hamilton brings to your workplace.

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