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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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Polyurethane Casters

Plate sizes: 4 x 5Diameter: 4, 5, 6, 8 inTread: 2 inCapacity: up to 1,200 lb
Match a 4 x 5 top plate when bolting casters under warehouse carts on epoxy and smooth concrete. Expect wheel diameters 4, 5, 6, 8 in, polyurethane treads, and capacities 600 to 1,200 lb. Bring plate and stem measurements when replacing unmarked casters so the new corners sit level. When floors see chemicals or washdowns, prefer sealed bearings and non-absorbent wheel compounds.

Shop by type

4 types

Wheel = wheel diameter · capacity is per caster.

1200 lbs
TieredPricing
Hamilton 1200 lbs Load Capacity Swivel Caster - 8x2 Ergo-Glide Polyurethane on Cast Iron Wheel, Spring Loaded, 1/2" Sealed Precision Ball Bearings - S-SPWH-8SPB-2 Hamilton
Made to Order · 4-6 Wk
Hamilton S-SPWH-8SPB-2 8" x 2" Ergo-Glide Spring Loaded Swivel Caster – 1200 lb
Part # S-SPWH-8SPB-2
from $596.00
Volume pricing available
PolyurethanePlate
Load rating
1200 lbs
Diameter 8"
Capacity 1200 lbs
Wheel Polyurethane
Mount Plate
More Details Less Details
Width 2"
Height 10.1875"
Core Iron
Temp Range -20°F to 180°F
Rig Type Swivel
Brake No Brake
Frame Zinc Plated Steel
Hamilton 1200 lbs Load Capacity Swivel Caster - S-SPWH-8SPB-2 Engineered for Optimal Performance |...
Shop Product
620 lbs
TieredPricing
Hamilton 8" Ergo-Glide Polyurethane Cast Iron Wheel Swivel Caster - 620 lbs Load Capacity, Spring Loaded, 1/2" Sealed Precision Ball Bearings - S-SPWH-8SPB-1 Hamilton
Made to Order · 4-6 Wk
Hamilton S-SPWH-8SPB-1 8" x 2" Polyurethane Swivel Spring Loaded Caster – 620 lb
Part # S-SPWH-8SPB-1
from $575.00
Volume pricing available
Polyurethane
Load rating
620 lbs
Diameter 8"
Capacity 620 lbs
Wheel Polyurethane
More Details Less Details
Width 2"
Core Iron
Temp Range -20°F to 180°F
Rig Type Swivel
Brake No Brake
Frame Zinc Plated Steel
Hamilton 8" Ergo-Glide Polyurethane on Cast Iron Wheel Swivel Caster - S-SPWH-8SPB-1 Industrial Strength...
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960 lbs
TieredPricing
Hamilton 6" Ergo-Glide Polyurethane Caster - 960 lbs Load Capacity, Spring Loaded Workhorse Swivel, Cast Iron Wheel with 1/2" Sealed Precision Ball Bearings, S-SPWH-6SPB-2 Hamilton
Made to Order · 4-6 Wk
Hamilton S-SPWH-6SPB-2 6" x 2" Ergo-Glide Spring Loaded Swivel Caster – 960 lb
Part # S-SPWH-6SPB-2
from $586.00
Volume pricing available
Cast Iron
Load rating
960 lbs
Diameter 6"
Capacity 960 lbs
Wheel Cast Iron
More Details Less Details
Width 2"
Temp Range -20°F to 180°F
Rig Type Swivel
Brake No Brake
Frame Zinc Plated Steel
Hamilton 6" Ergo-Glide Polyurethane Caster S-SPWH-6SPB-2 Industrial Strength & Performance | 960 lbs Load...
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620 lbs
TieredPricing
Hamilton 620 lbs Load Capacity 6x2 Ergo-Glide Polyurethane on Cast Iron Wheel - Spring Loaded Workhorse Swivel Caster with 1/2" Sealed Precision Ball Bearings - S-SPWH-6SPB-1 Hamilton
Made to Order · 4-6 Wk
Hamilton S-SPWH-6SPB-1 6" x 2" Ergo-Glide Spring Loaded Caster – 620 lb
Part # S-SPWH-6SPB-1
from $575.00
Volume pricing available
Polyurethane
Load rating
620 lbs
Diameter 6"
Capacity 620 lbs
Wheel Polyurethane
More Details Less Details
Width 2"
Core Iron
Temp Range -20°F to 180°F
Rig Type Swivel
Brake No Brake
Frame Zinc Plated Steel
Hamilton 620 lbs Load Capacity Spring Loaded Workhorse Swivel Caster- S-SPWH-6SPB-1 Engineered for Performance...
Shop Product
840 lbs
TieredPricing
Hamilton 840 lbs Load Capacity Swivel Caster - 5x2" Ergo-Glide Polyurethane Wheel, 1/2" Sealed Precision Ball Bearings - Spring Loaded Workhorse for Industrial Use S-SPWH-5SPB-2 Hamilton
Made to Order · 4-6 Wk
Hamilton S-SPWH-5SPB-2 5"x2" Ergo-Glide Spring Loaded Swivel Caster – 840 lb
Part # S-SPWH-5SPB-2
from $569.00
Volume pricing available
Cast IronPlate
Load rating
840 lbs
Diameter 5"
Capacity 840 lbs
Wheel Cast Iron
Mount Plate
Plate Size 4" x 5"
More Details Less Details
Width 2"
Height 7.1875"
Temp Range -20°F to 180°F
Rig Type Swivel
Brake No Brake
Frame Zinc Plated Steel
Hamilton Swivel Caster S-SPWH-5SPB-2: Heavy-Duty Performance 840 lbs Load Capacity | Industrial Efficiency Superior...
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620 lbs
TieredPricing
620 lbs Load Capacity - 5" Hamilton Ergo-Glide Polyurethane Cast Iron Wheel - Spring Loaded Workhorse Swivel Caster with Sealed Precision Ball Bearings for Industrial Use Hamilton
Made to Order · 4-6 Wk
Hamilton 5" x 2" Ergo-Glide Swivel Spring Loaded Caster – 620 lb
Part # S-SPWH-5SPB-1
from $575.00
Volume pricing available
Cast IronPlate
Load rating
620 lbs
Capacity 620 lbs
Wheel Cast Iron
Mount Plate
More Details Less Details
Temp Range -20°F to 180°F
Rig Type Swivel
Brake No Brake
Frame Zinc Plated Steel
Hamilton Spring Loaded Workhorse Swivel Caster - 620 lbs Load Capacity Optimal Performance &...
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600 lbs
TieredPricing
Hamilton 600 lbs Load Capacity Swivel Caster - 4"x2" Ergo-Glide Polyurethane on Cast Iron - Spring Loaded Workhorse with Precision Bearings Hamilton
Made to Order · 4-6 Wk
Hamilton 4" x 2" Ergo-Glide Swivel Spring Loaded Caster – 600 lb
Part # S-SPWH-4SPB-2
from $569.00
Volume pricing available
PolyurethanePlate
Load rating
600 lbs
Diameter 4"
Capacity 600 lbs
Wheel Polyurethane
Mount Plate
Plate Size 4" x 5"
More Details Less Details
Width 2"
Height 6.6875"
Core Iron
Temp Range -20°F to 180°F
Rig Type Swivel
Brake No Brake
Frame Zinc Plated Steel
Hamilton 600 lbs Load Capacity Swivel Caster Experience unmatched mobility with the Hamilton Spring...
Shop Product
15 lbs
TieredPricing
Hamilton 15 lbs Load Capacity Spring Loaded Swivel Caster - 4"x2" Ergo-Glide Polyurethane on Cast Iron Wheel, 1/2" Sealed Precision Ball Bearings - Workhorse Series Hamilton
Made to Order · 4-6 Wk
Hamilton 4"x2" Ergo-Glide Poly Swivel Spring Loaded Caster – 15 lb
Part # S-SPWH-4SPB-1
from $500.00
Volume pricing available
Polyurethane
Load rating
15 lbs
Diameter 4"
Capacity 15 lbs
Wheel Polyurethane
More Details Less Details
Width 2"
Core Iron
Temp Range -20°F to 180°F
Rig Type Swivel
Brake No Brake
Frame Zinc Plated Steel
Hamilton Workhorse Series: Durable Swivel Caster Key Specifications Load Capacity: 15 lbs Wheel Type:...
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1200 lbs
TieredPricing
Hamilton 1200 lbs Load Capacity Rigid Caster - 8x2 Ergo-Glide Polyurethane on Cast Iron Wheel, Spring Loaded, 1/2" Sealed Precision Ball Bearings - R-SPWH-8SPB-2 Hamilton
Made to Order · 4-6 Wk
Hamilton R-SPWH-8SPB-2 8"x2" Ergo-Glide Rigid Spring Loaded Caster – 1200 lb
Part # R-SPWH-8SPB-2
from $653.00
Volume pricing available
PolyurethanePlate
Load rating
1200 lbs
Diameter 8"
Capacity 1200 lbs
Wheel Polyurethane
Mount Plate
More Details Less Details
Width 2"
Height 10.1875"
Core Iron
Temp Range -20°F to 180°F
Rig Type Rigid
Brake No Brake
Frame Zinc Plated Steel
Hamilton 1200 lbs Load Capacity Rigid Caster - R-SPWH-8SPB-2 Engineered for Optimal Performance |...
Shop Product
620 lbs
TieredPricing
Hamilton 8" Ergo-Glide Polyurethane Cast Iron Wheel Rigid Caster - 620 lbs Load Capacity, Spring Loaded, 1/2" Sealed Precision Ball Bearings - R-SPWH-8SPB-1 Hamilton
Made to Order · 4-6 Wk
Hamilton R-SPWH-8SPB-1 8" x 2" Polyurethane Rigid Spring Loaded Caster – 620 lb
Part # R-SPWH-8SPB-1
$575.00
Volume pricing available
Polyurethane
Load rating
620 lbs
Diameter 8"
Capacity 620 lbs
Wheel Polyurethane
More Details Less Details
Width 2"
Core Iron
Temp Range -20°F to 180°F
Rig Type Rigid
Brake No Brake
Frame Zinc Plated Steel
Hamilton 8" Ergo-Glide Polyurethane on Cast Iron Wheel Rigid Caster - R-SPWH-8SPB-1 Industrial Strength...
Shop Product
960 lbs
TieredPricing
Hamilton 6" Ergo-Glide Polyurethane Caster - 960 lbs Load Capacity, Spring Loaded Workhorse Rigid, Cast Iron Wheel with 1/2" Sealed Precision Ball Bearings, R-SPWH-6SPB-2 Hamilton
Made to Order · 4-6 Wk
Hamilton R-SPWH-6SPB-2 6" x 2" Ergo-Glide Spring Loaded Rigid Caster – 960 lb
Part # R-SPWH-6SPB-2
$473.00
Volume pricing available
Cast Iron
Load rating
960 lbs
Diameter 6"
Capacity 960 lbs
Wheel Cast Iron
More Details Less Details
Width 2"
Temp Range -20°F to 180°F
Rig Type Rigid
Brake No Brake
Frame Zinc Plated Steel
Hamilton 6" Ergo-Glide Polyurethane Caster R-SPWH-6SPB-2 Industrial Strength & Performance | 960 lbs Load...
Shop Product
620 lbs
TieredPricing
Hamilton 620 lbs Load Capacity 6x2 Ergo-Glide Polyurethane on Cast Iron Wheel - Spring Loaded Workhorse Rigid Caster with 1/2" Sealed Precision Ball Bearings - R-SPWH-6SPB-1 Hamilton
Made to Order · 4-6 Wk
Hamilton R-SPWH-6SPB-1 6"x2" Ergo-Glide Rigid Spring Loaded Caster – 620 lb
Part # R-SPWH-6SPB-1
from $508.00
Volume pricing available
Polyurethane
Load rating
620 lbs
Diameter 6"
Capacity 620 lbs
Wheel Polyurethane
More Details Less Details
Width 2"
Core Iron
Temp Range -20°F to 180°F
Rig Type Rigid
Brake No Brake
Frame Zinc Plated Steel
Hamilton 620 lbs Load Capacity Spring Loaded Workhorse Rigid Caster- R-SPWH-6SPB-1 Engineered for Performance...
Shop Product
840 lbs
TieredPricing
Hamilton 840 lbs Load Capacity Rigid Caster - 5x2" Ergo-Glide Polyurethane Wheel, 1/2" Sealed Precision Ball Bearings - Spring Loaded Workhorse for Industrial Use R-SPWH-5SPB-2 Hamilton
Made to Order · 4-6 Wk
Hamilton R-SPWH-5SPB-2 5" x 2" Ergo-Glide Spring Loaded Rigid Caster – 840 lb
Part # R-SPWH-5SPB-2
from $500.00
Volume pricing available
Cast IronPlate
Load rating
840 lbs
Diameter 5"
Capacity 840 lbs
Wheel Cast Iron
Mount Plate
Plate Size 4" x 5"
More Details Less Details
Width 2"
Height 7.1875"
Temp Range -20°F to 180°F
Rig Type Rigid
Brake No Brake
Frame Zinc Plated Steel
Hamilton Rigid Caster R-SPWH-5SPB-2: Heavy-Duty Performance 840 lbs Load Capacity | Industrial Efficiency Superior...
Shop Product
620 lbs
TieredPricing
620 lbs Load Capacity - 5" Hamilton Ergo-Glide Polyurethane Cast Iron Wheel - Spring Loaded Workhorse Rigid Caster with Sealed Precision Ball Bearings for Industrial Use Hamilton
Made to Order · 4-6 Wk
Hamilton 5" x 2" Ergo-Glide Rigid Spring Loaded Caster – 620 lb
Part # R-SPWH-5SPB-1
$544.00
Volume pricing available
Cast IronPlate
Load rating
620 lbs
Capacity 620 lbs
Wheel Cast Iron
Mount Plate
More Details Less Details
Temp Range -20°F to 180°F
Rig Type Rigid
Brake No Brake
Frame Zinc Plated Steel
Hamilton Spring Loaded Workhorse Rigid Caster - 620 lbs Load Capacity Optimal Performance &...
Shop Product
600 lbs
TieredPricing
Hamilton 600 lbs Load Capacity Rigid Caster - 4"x2" Ergo-Glide Polyurethane on Cast Iron - Spring Loaded Workhorse with Precision Bearings Hamilton
Made to Order · 4-6 Wk
Hamilton 4"x2" Ergo-Glide Rigid Spring Loaded Caster – 600 lb
Part # R-SPWH-4SPB-2
from $446.00
Volume pricing available
PolyurethanePlate
Load rating
600 lbs
Diameter 4"
Capacity 600 lbs
Wheel Polyurethane
Mount Plate
Plate Size 4" x 5"
More Details Less Details
Width 2"
Height 6.6875"
Core Iron
Temp Range -20°F to 180°F
Rig Type Rigid
Brake No Brake
Frame Zinc Plated Steel
Hamilton 600 lbs Load Capacity Rigid Caster Experience unmatched mobility with the Hamilton Spring...
Shop Product
12 lbs
TieredPricing
Hamilton 12 lbs Load Capacity Spring Loaded Rigid Caster - 4"x2" Ergo-Glide Polyurethane on Cast Iron Wheel, 1/2" Sealed Precision Ball Bearings - Workhorse Series Hamilton
Made to Order · 4-6 Wk
Hamilton 4"x2" Ergo-Glide Poly Rigid Spring Loaded Caster – 12 lb
Part # R-SPWH-4SPB-1
from $436.00
Volume pricing available
Polyurethane
Load rating
12 lbs
Diameter 4"
Capacity 12 lbs
Wheel Polyurethane
More Details Less Details
Width 2"
Core Iron
Temp Range -20°F to 180°F
Rig Type Rigid
Brake No Brake
Frame Zinc Plated Steel
Hamilton Workhorse Series: Durable Rigid Caster Key Specifications Load Capacity: 12 lbs Wheel Type:...
Shop Product

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