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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

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: 750 to 1,500 lb per casterPlate sizes: 4 x 4-1/2, 4 x 5
You get seven polyurethane casters here from Hamilton with 4 to 8 in wheels, rated 750 to 1,500 lb each. The common top plate is 4 x 4-1/2 in, with 4 x 5 in also offered, with swivel and rigid versions, with no brake options. You will find a Hamilton R-ZFWH-5DB 5 x 2 in polyurethane rigid caster rated 1,050 lb and a Hamilton R-ZFWH-8DB 8 x 2 in Duralast rigid kingpinless caster rated 1,500 lb here.

Shop by type

4 types

Wheel = wheel diameter · capacity is per caster.

1200 lbs
TieredPricing
Hamilton Spinfinity Maintenance-Free Kingpinless ZFWH Series Swivel Caster with 6" x 2" Duralast (95A) Wheel with 1/2" Sealed Precision Ball Bearings Hamilton
Made to Order · 4-6 Wk
Hamilton S-ZFWH-6DB 6" x 2" Duralast Swivel Kingpinless Caster – 1200 lb
Part # S-ZFWH-6DB
from $276.00
Volume pricing available
PolyurethanePlate
Load rating
1200 lbs
Size6" x 2"
Capacity1200 lbs
WheelPolyurethane
MountPlate 4" x 5"
TypeSwivel
More Details Less Details
Width 2"
Height 7-1/2"
Bolt Pattern 2-5/8" x 3-5/8"
Core Cast Iron
Temp Range -5°F to 160°F
Rig Type Swivel
Brake No Brake
Frame Platinum Powder
Hamilton Spinfinity Maintenance-Free Kingpinless ZFWH Series Swivel Caster with 6" x 2" Duralast (95A)...
Shop Product
1050 lbs
TieredPricing
Hamilton Spinfinity Maintenance-Free Kingpinless ZFWH Series Swivel Caster with 5" x 2" Duralast (95A) Wheel with 1/2" Sealed Precision Ball Bearings Hamilton
Made to Order · 4-6 Wk
Hamilton S-ZFWH-5DB 5" x 2" Duralast Swivel Kingpinless Caster – 1050 lb
Part # S-ZFWH-5DB
from $268.00
Volume pricing available
PolyurethanePlate
Load rating
1050 lbs
Size5" x 2"
Capacity1050 lbs
WheelPolyurethane
MountPlate 4" x 5"
TypeSwivel
More Details Less Details
Width 2"
Height 6-1/2"
Bolt Pattern 2-5/8" x 3-5/8"
Core Cast Iron
Temp Range -5°F to 160°F
Rig Type Swivel
Brake No Brake
Frame Platinum Powder
Hamilton Spinfinity Maintenance-Free Kingpinless ZFWH Series Swivel Caster with 5" x 2" Duralast (95A)...
Shop Product
750 lbs
TieredPricing
Hamilton Spinfinity Maintenance-Free Kingpinless ZFWH Series Swivel Caster with 4" x 2" Duralast (95A) Wheel with 1/2" Sealed Precision Ball Bearings Hamilton
Made to Order · 4-6 Wk
Hamilton S-ZFWH-4DB 4" x 2" Duralast Swivel Kingpinless Caster – 750 lb
Part # S-ZFWH-4DB
from $254.00
Volume pricing available
PolyurethanePlate
Load rating
750 lbs
Size4" x 2"
Capacity750 lbs
WheelPolyurethane
MountPlate 4" x 5"
TypeSwivel
More Details Less Details
Width 2"
Height 5-5/8"
Bolt Pattern 2-5/8" x 3-5/8"
Core Cast Iron
Temp Range -5°F to 160°F
Rig Type Swivel
Brake No Brake
Frame Platinum Powder
Hamilton Spinfinity Maintenance-Free Kingpinless ZFWH Series Swivel Caster with 4" x 2" Duralast (95A)...
Shop Product
1500 lbs
TieredPricing
Hamilton Spinfinity Maintenance-Free Kingpinless ZFWH Series Rigid Caster with 8" x 2" Duralast (95A) Wheel with 1/2" Sealed Precision Ball Bearings Hamilton
Made to Order · 4-6 Wk
Hamilton R-ZFWH-8DB 8" x 2" Duralast Rigid Kingpinless Caster – 1500 lb
Part # R-ZFWH-8DB
from $188.00
Volume pricing available
PolyurethanePlate
Load rating
1500 lbs
Size8" x 2"
Capacity1500 lbs
WheelPolyurethane
MountPlate 4" x 4-1/2"
TypeRigid
More Details Less Details
Width 2"
Height 9-1/2"
Bolt Pattern 2-5/8" x 3-5/8"
Core Cast Iron
Temp Range -5°F to 160°F
Rig Type Rigid
Brake No Brake
Frame Platinum Powder
Hamilton Spinfinity Maintenance-Free Kingpinless ZFWH Series Rigid Caster with 8" x 2" Duralast (95A)...
Shop Product
1200 lbs
TieredPricing
Hamilton ZFWH Series Rigid Caster with 6" x 2" Duralast Polyurethane (95A) on Cast Iron Wheel with 1/2" Sealed Precision Ball Bearings Hamilton
Made to Order · 4-6 Wk
Hamilton R-ZFWH-6DB 6" x 2" Duralast Rigid Caster – 1200 lb
Part # R-ZFWH-6DB
from $136.00
Volume pricing available
PolyurethanePlate
Load rating
1200 lbs
Size6" x 2"
Capacity1200 lbs
WheelPolyurethane
MountPlate 4" x 4-1/2"
TypeRigid
More Details Less Details
Width 2"
Height 7-1/2"
Bolt Pattern 2-5/8" x 3-5/8"
Core Cast Iron
Temp Range -5°F to 160°F
Rig Type Rigid
Brake No Brake
Frame Platinum Powder
Hamilton ZFWH Series Rigid Caster with 6" x 2" Duralast Polyurethane (95A) on Cast...
Shop Product
1050 lbs
TieredPricing
Hamilton ZFWH Series Rigid Caster with 5" x 2" Duralast Polyurethane (95A) on Cast Iron Wheel with 1/2" Sealed Precision Ball Bearings Hamilton
Made to Order · 4-6 Wk
Hamilton R-ZFWH-5DB 5" x 2" Polyurethane Rigid Caster – 1050 lb
Part # R-ZFWH-5DB
from $136.00
Volume pricing available
PolyurethanePlate
Load rating
1050 lbs
Size5" x 2"
Capacity1050 lbs
WheelPolyurethane
MountPlate 4" x 4-1/2"
TypeRigid
More Details Less Details
Width 2"
Height 6-1/2"
Bolt Pattern 2-5/8" x 3-5/8"
Core Cast Iron
Temp Range -5°F to 160°F
Rig Type Rigid
Brake No Brake
Frame Platinum Powder
Hamilton ZFWH Series Rigid Caster with 5" x 2" Duralast Polyurethane (95A) on Cast...
Shop Product
750 lbs
TieredPricing
Hamilton ZFWH Series Rigid Caster with 4" x 2" Duralast Polyurethane (95A) on Cast Iron Wheel with 1/2" Sealed Precision Ball Bearings Hamilton
Made to Order · 4-6 Wk
Hamilton R-ZFWH-4DB 4" x 2" Duralast Rigid Caster – 750 lb
Part # R-ZFWH-4DB
from $144.00
Volume pricing available
PolyurethanePlate
Load rating
750 lbs
Size4" x 2"
Capacity750 lbs
WheelPolyurethane
MountPlate 4" x 4-1/2"
TypeRigid
More Details Less Details
Width 2"
Height 5-5/8"
Bolt Pattern 2-5/8" x 3-5/8"
Core Cast Iron
Temp Range -5°F to 160°F
Rig Type Rigid
Brake No Brake
Frame Platinum Powder
Hamilton ZFWH Series Rigid Caster with 4" x 2" Duralast Polyurethane (95A) on Cast...
Shop Product

Spinfinity ZFWH Caster Series with Duralast Polyurethane Wheels

Duralast - the protective wheel that wears like steel - is liquid cast to a thickness of approximately 1/2" and chemically bonded onto heavy-duty iron wheel centers. The distinctive green treads are chemically inert, non-sparking, non-conductive, impervious to ozone, grease and most oils & solvents, and will not mark floors. Duralast Wheels are also guaranteed against tread separation for one year in ordinary free-wheeling applications (contact factory for excepted applications).

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