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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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Hamilton Spring-Loaded Workhorse SPWH Casters w/ UltraGlide XC Wheels · Up to 1,200 lb · 4"–8"

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: 4 to 8 inTread: 2 inCapacity: 620 to 1,450 lb per casterPlate sizes: 4 x 4-1/2, 4 x 5
You get ten polyurethane casters here from Hamilton with 4 to 8 in wheels, rated 620 to 1,450 lb each. The common top plate is 4 x 4-1/2 in, with 4 x 5 in also offered, in both swivel and rigid and without brakes. Picks range from a Hamilton S-SPWH-6SWF70D-1 6 x 2 in polyurethane swivel spring loaded caster rated 620 lb to a Hamilton S-SPWH-6SWF70D-2 6 x 2 in poly swivel spring loaded caster rated 1,450 lb.

Shop by type

3 types

Wheel = wheel diameter · capacity is per caster.

1450 lbs
TieredPricing
Hamilton 6" Swivel Caster - 1450 lbs Load Capacity, Spring Loaded Workhorse with UltraGlide XC Polyurethane (70D) on Cast Iron Wheel, 1/2" Sealed Precision Ball Bearings - S-SPWH-6SWF70D-2 Hamilton
Made to Order · 4-6 Wk
Hamilton S-SPWH-6SWF70D-2 6" x 2" Poly Swivel Spring Loaded Caster – 1450 lb
Part # S-SPWH-6SWF70D-2
from $609.00
Volume pricing available
PolyurethanePlate
Load rating
1450 lbs
Size6" x 2"
Capacity1450 lbs
WheelPolyurethane
MountPlate 4" x 5"
TypeSwivel
More Details Less Details
Width 2"
Height 8-3/16"
Bolt Pattern 2-5/8" x 3-5/8" and 3" x 3"
Core Aluminum
Temp Range -50°F to 200°F
Rig Type Swivel
Brake No Brake
Frame Platinum Powder
Hamilton 6" Swivel Caster - Model S-SPWH-6SWF70D-2 UltraGlide XC Polyurethane | 1450 lbs Load...
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620 lbs
TieredPricing
Hamilton 620 lbs Load Capacity 6x2" Swivel Caster with Spring Loaded - UltraGlide XC Polyurethane 70D on Cast Iron Wheel, 1/2" Sealed Precision Ball Bearings - Workhorse Series S-SPWH-6SWF70D-1 Hamilton
Made to Order · 4-6 Wk
Hamilton S-SPWH-6SWF70D-1 6" x 2" Polyurethane Swivel Spring Loaded Caster – 620 lb
Part # S-SPWH-6SWF70D-1
from $590.00
Volume pricing available
Polyurethane
Load rating
620 lbs
Size6" x 2"
Capacity620 lbs
WheelPolyurethane
Mount—
TypeSwivel
More Details Less Details
Width 2"
Height 8-3/16"
Core Aluminum
Temp Range -50°F to 200°F
Rig Type Swivel
Brake No Brake
Frame Platinum Powder
Hamilton 620 lbs Load Capacity Swivel Caster - Workhorse S-SPWH-6SWF70D-1 Engineered for Performance |...
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1200 lbs
TieredPricing
Hamilton 1200 lbs Load Capacity Spring Loaded Workhorse Swivel Caster - 4x2 UltraGlide XC Polyurethane (70D) on Cast Iron Wheel, 1/2" Sealed Precision Ball Bearings - S-SPWH-4SWF70D-2 Hamilton
Made to Order · 4-6 Wk
Hamilton S-SPWH-4SWF70D-2 4"x2" Polyurethane Swivel Spring Loaded Caster – 1200 lb
Part # S-SPWH-4SWF70D-2
from $549.00
Volume pricing available
PolyurethanePlate
Load rating
1200 lbs
Size4" x 2"
Capacity1200 lbs
WheelPolyurethane
MountPlate 4" x 5"
TypeSwivel
More Details Less Details
Width 2"
Height 6-11/16"
Bolt Pattern 2-5/8" x 3-5/8" and 3" x 3"
Core Aluminum
Temp Range -50°F to 200°F
Rig Type Swivel
Brake No Brake
Frame Platinum Powder
Hamilton Spring Loaded Workhorse Swivel Caster S-SPWH-4SWF70D-2 Load Capacity: 1200 lbs Robust and reliable,...
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620 lbs
TieredPricing
Hamilton 620 lbs Load Capacity Swivel Caster - 4" x 2" UltraGlide XC 70D Polyurethane on Cast Iron Wheel, Spring Loaded, with 1/2" Sealed Precision Ball Bearings - Workhorse S-SPWH-4SWF70D-1 Hamilton
Made to Order · 4-6 Wk
Hamilton S-SPWH-4SWF70D-1 4" x 2" Polyurethane Spring Loaded Swivel Caster – 620 lb
Part # S-SPWH-4SWF70D-1
from $549.00
Volume pricing available
PolyurethanePlate
Load rating
620 lbs
Size4" x 2"
Capacity620 lbs
WheelPolyurethane
MountPlate 4" x 5"
TypeSwivel
More Details Less Details
Width 2"
Height 6.6875"
Bolt Pattern 2-5/8" x 3-5/8" and 3" x 3"
Core Aluminum
Temp Range -50°F to 200°F
Rig Type Swivel
Brake No Brake
Frame Platinum Powder
Hamilton Workhorse S-SPWH-4SWF70D-1 Swivel Caster 620 lbs Load Capacity | UltraGlide XC 70D Wheel...
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1450 lbs
TieredPricing
8" UltraGlide XC Polyurethane on Cast Iron Rigid Caster Wheel, 1450 lbs Load Capacity, Hamilton Workhorse, 1/2" Sealed Precision Ball Bearings, Spring Loaded - Model R-SPWH-8SWF70D-2 Hamilton
Made to Order · 4-6 Wk
Hamilton R-SPWH-8SWF70D-2 8" x 2" Polyurethane Spring Loaded Rigid Caster – 1450 lb
Part # R-SPWH-8SWF70D-2
$660.00
Volume pricing available
PolyurethanePlate
Load rating
1450 lbs
Size8" x 2"
Capacity1450 lbs
WheelPolyurethane
MountPlate 4" x 4-1/2"
TypeRigid
More Details Less Details
Width 2"
Height 10.1875"
Bolt Pattern 2-5/8" x 3-5/8" and 3" x 3"
Core Aluminum
Temp Range -50°F to 200°F
Rig Type Rigid
Brake No Brake
Frame Platinum Powder
Hamilton UltraGlide XC 8" Rigid Caster Wheel Model R-SPWH-8SWF70D-2 Optimal Performance & Durability |...
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620 lbs
TieredPricing
Hamilton 620 lbs Load Capacity Rigid Caster - 8x2 UltraGlide XC Polyurethane 70D on Cast Iron Wheel, Spring Loaded, with 1/2" Sealed Precision Ball Bearings - R-SPWH-8SWF70D-1 Hamilton
Made to Order · 4-6 Wk
Hamilton R-SPWH-8SWF70D-1 8"x2" Polyurethane Rigid Spring Loaded Caster – 620 lb
Part # R-SPWH-8SWF70D-1
from $668.00
Volume pricing available
PolyurethanePlate
Load rating
620 lbs
Size8" x 2"
Capacity620 lbs
WheelPolyurethane
MountPlate 4" x 4-1/2"
TypeRigid
More Details Less Details
Width 2"
Height 10.1875"
Bolt Pattern 2-5/8" x 3-5/8" and 3" x 3"
Core Aluminum
Temp Range -50°F to 200°F
Rig Type Rigid
Brake No Brake
Frame Platinum Powder
Hamilton Spring Loaded Workhorse Rigid Caster R-SPWH-8SWF70D-1 Optimal Durability & Maneuverability | 620 lbs...
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1450 lbs
TieredPricing
Hamilton 6" Rigid Caster - 1450 lbs Load Capacity, Spring Loaded Workhorse with UltraGlide XC Polyurethane (70D) on Cast Iron Wheel, 1/2" Sealed Precision Ball Bearings - R-SPWH-6SWF70D-2 Hamilton
Made to Order · 4-6 Wk
Hamilton R-SPWH-6SWF70D-2 6" x 2" Polyurethane Rigid Spring Loaded Caster – 1450 lb
Part # R-SPWH-6SWF70D-2
from $625.00
Volume pricing available
PolyurethanePlate
Load rating
1450 lbs
Size6" x 2"
Capacity1450 lbs
WheelPolyurethane
MountPlate 4" x 4-1/2"
TypeRigid
More Details Less Details
Width 2"
Height 8-3/16"
Bolt Pattern 2-5/8" x 3-5/8" and 3" x 3"
Core Aluminum
Temp Range -50°F to 200°F
Rig Type Rigid
Brake No Brake
Frame Platinum Powder
Hamilton 6" Rigid Caster - Model R-SPWH-6SWF70D-2 UltraGlide XC Polyurethane | 1450 lbs Load...
Shop Product
620 lbs
TieredPricing
Hamilton 620 lbs Load Capacity 6x2" Rigid Caster with Spring Loaded - UltraGlide XC Polyurethane 70D on Cast Iron Wheel, 1/2" Sealed Precision Ball Bearings - Workhorse Series R-SPWH-6SWF70D-1 Hamilton
Made to Order · 4-6 Wk
Hamilton R-SPWH-6SWF70D-1 6"x2" Poly Rigid Spring Loaded Caster – 620 lb
Part # R-SPWH-6SWF70D-1
from $625.00
Volume pricing available
Polyurethane
Load rating
620 lbs
Size6" x 2"
Capacity620 lbs
WheelPolyurethane
Mount—
TypeRigid
More Details Less Details
Width 2"
Height 8-3/16"
Core Aluminum
Temp Range -50°F to 200°F
Rig Type Rigid
Brake No Brake
Frame Platinum Powder
Hamilton 620 lbs Load Capacity Rigid Caster - Workhorse R-SPWH-6SWF70D-1 Engineered for Performance |...
Shop Product
1200 lbs
TieredPricing
Hamilton 1200 lbs Load Capacity Spring Loaded Workhorse Rigid Caster - 4x2 UltraGlide XC Polyurethane (70D) on Cast Iron Wheel, 1/2" Sealed Precision Ball Bearings - R-SPWH-4SWF70D-2 Hamilton
Made to Order · 4-6 Wk
Hamilton R-SPWH-4SWF70D-2 4"x2" Polyurethane Rigid Spring Loaded Caster – 1200 lb
Part # R-SPWH-4SWF70D-2
from $490.00
Volume pricing available
PolyurethanePlate
Load rating
1200 lbs
Size4" x 2"
Capacity1200 lbs
WheelPolyurethane
MountPlate 4" x 4-1/2"
TypeRigid
More Details Less Details
Width 2"
Height 6-11/16"
Bolt Pattern 2-5/8" x 3-5/8" and 3" x 3"
Core Aluminum
Temp Range -50°F to 200°F
Rig Type Rigid
Brake No Brake
Frame Platinum Powder
Hamilton Spring Loaded Workhorse Rigid Caster R-SPWH-4SWF70D-2 Load Capacity: 1200 lbs Robust and reliable,...
Shop Product
1200 lbs
TieredPricing
Hamilton 1200 lbs Load Capacity Rigid Caster - 4" x 2" UltraGlide XC 70D Polyurethane on Cast Iron Wheel, Spring Loaded, with 1/2" Sealed Precision Ball Bearings - Workhorse R-SPWH-4SWF70D-1 Hamilton
Made to Order · 4-6 Wk
Hamilton R-SPWH-4SWF70D-1 4" x 2" Polyurethane Rigid Spring Loaded Caster – 1200 lb
Part # R-SPWH-4SWF70D-1
from $479.00
Volume pricing available
PolyurethanePlate
Load rating
1200 lbs
Size4" x 2"
Capacity1200 lbs
WheelPolyurethane
MountPlate 4" x 4-1/2"
TypeRigid
More Details Less Details
Width 2"
Height 6.6875"
Bolt Pattern 2-5/8" x 3-5/8" and 3" x 3"
Core Aluminum
Temp Range -50°F to 200°F
Rig Type Rigid
Brake No Brake
Frame Platinum Powder
Hamilton Workhorse R-SPWH-4SWF70D-1 Rigid Caster 1200lbs Load Capacity | UltraGlide XC 70D Wheel Enhanced...
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Hamilton Spring Loaded | SPWH Casters with UltraGlide XC Wheels

UltraGlide XC Wheel Technology | Ergonomic Spring-Loaded Design

Superior Performance with Hamilton's UltraGlide Casters

Experience industry-leading mobility with the Hamilton Spring Loaded SPWH Casters equipped with UltraGlide XC Wheels. Designed for both efficiency and endurance, these casters redefine caster performance. Their UltraGlide XC technology ensures seamless movement, while the spring-loaded design offers enhanced adaptability to various floor conditions. Ideal for e-commerce warehouse setups and other demanding environments.

Maximize Operational Efficiency with Hamilton SPWH Casters

The Hamilton SPWH series is not just another set of casters. Crafted to optimize warehouse operations, these spring-loaded casters with UltraGlide XC wheels are the epitome of durability and functionality. Elevate your e-commerce operations with Hamilton's trusted caster technology.

Need Hamilton Caster Insights? Our Experts are Ready to Assist

Considering integrating the SPWH series into your e-commerce warehouse? Let our Hamilton Caster Specialists guide you. Get in touch weekdays for expert advice on maximizing your caster performance.

Tags: Hamilton Casters, Spring-Loaded SPWH Casters, UltraGlide XC Wheels, e-commerce warehouse solutions.

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