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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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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: 12 to 18 inTread: 5-1/2 to 9 inCapacity: 4,800 to 12,500 lb per casterPlate sizes: 8-1/2 x 8-1/2
You get ten polyurethane casters here from Hamilton with 12 to 18 in wheels, rated 4,800 to 12,500 lb each. All mount on a 8-1/2 x 8-1/2 in plate, and you can pick swivel or rigid, with no brake options. Picks range from a Hamilton S-ZFMD-1355POYB 13.5 x 5.5 in poly swivel caster rated 5,200 lb to a Hamilton ZFMD 18 x 9 in polyurethane rigid caster rated 12,500 lb.

Shop by type

5 types

Wheel = wheel diameter · capacity is per caster.

12500 lbs
TieredPricing
Hamilton Spinfinity Maxi-Duty Swivel Caster with 18" x 9" Red Polyurethane (85A) Presson Wheel with 2" Sealed Precision Ball Bearings Hamilton
Made to Order · 4-6 Wk
Hamilton 18" x 9" Red Polyurethane Swivel Kingpinless Caster – 12500 lb
Part # S-ZFMD-1890POYB
from $6,042.00
Volume pricing available
PolyurethanePlate
Load rating
12500 lbs
Size18" x 9"
Capacity12500 lbs
WheelPolyurethane
MountPlate 8-1/2" x 8-1/2"
TypeSwivel
More Details Less Details
Width 9"
Height 21-3/4"
Temp Range -30°F to 150°F
Rig Type Swivel
Brake No Brake
Frame Platinum Powder
Hamilton Spinfinity Maxi-Duty Swivel Caster with 18" x 9" Red Polyurethane (85A) Presson Wheel...
Shop Product
8200 lbs
TieredPricing
Hamilton Spinfinity Maxi-Duty Swivel Caster with 16" x 7" Red Polyurethane (85A) Presson Wheel with 1 1/2" Sealed Precision Ball Bearings Hamilton
Made to Order · 4-6 Wk
Hamilton ZFMD-1670POYB 16" x 7" Polyurethane Swivel Kingpinless Caster – 8200 lb
Part # S-ZFMD-1670POYB
from $5,724.00
Volume pricing available
PolyurethanePlate
Load rating
8200 lbs
Size16" x 7"
Capacity8200 lbs
WheelPolyurethane
MountPlate 8-1/2" x 8-1/2"
TypeSwivel
More Details Less Details
Width 7"
Height 19-3/4"
Core Iron
Temp Range -30°F to 150°F
Rig Type Swivel
Brake No Brake
Frame Platinum Powder
Hamilton Spinfinity Maxi-Duty Swivel Caster with 16" x 7" Red Polyurethane (85A) Presson Wheel...
Shop Product
9800 lbs
TieredPricing
Hamilton Spinfinity Maxi-Duty Swivel Caster with 15" x 9" Red Polyurethane (85A) Presson Wheel with 1 1/2" Sealed Precision Ball Bearings Hamilton
Made to Order · 4-6 Wk
Hamilton S-ZFMD-1590POYB 15" x 9" Polyurethane Swivel Caster – 9800 lb
Part # S-ZFMD-1590POYB
from $4,910.00
Volume pricing available
PolyurethanePlate
Load rating
9800 lbs
Size15" x 9"
Capacity9800 lbs
WheelPolyurethane
MountPlate 8-1/2" x 8-1/2"
TypeSwivel
More Details Less Details
Width 9"
Height 18-7/8"
Temp Range -30°F to 150°F
Rig Type Swivel
Brake No Brake
Frame Platinum Powder
Hamilton Spinfinity Maxi-Duty Swivel Caster with 15" x 9" Red Polyurethane (85A) Presson Wheel...
Shop Product
5200 lbs
TieredPricing
Hamilton Spinfinity Maxi-Duty Swivel Caster with 13.5" x 5.5" Red Polyurethane (85A) Presson Wheel with 1 1/2" Sealed Precision Ball Bearings Hamilton
Made to Order · 4-6 Wk
Hamilton S-ZFMD-1355POYB 13.5" x 5.5" Poly Swivel Caster – 5200 lb
Part # S-ZFMD-1355POYB
from $3,506.00
Volume pricing available
PolyurethanePlate
Load rating
5200 lbs
Size13" x 5-1/2"
Capacity5200 lbs
WheelPolyurethane
MountPlate 8-1/2" x 8-1/2"
TypeSwivel
More Details Less Details
Width 5-1/2"
Height 17-1/8"
Temp Range -30°F to 150°F
Rig Type Swivel
Brake No Brake
Frame Platinum Powder
Hamilton Spinfinity Maxi-Duty Swivel Caster with 13.5" x 5.5" Red Polyurethane (85A) Presson Wheel...
Shop Product
4800 lbs
TieredPricing
Hamilton Spinfinity Maxi-Duty Swivel Caster with 12" x 5.5" Red Polyurethane (85A) Presson Wheel with 1 1/4" Sealed Precision Ball Bearings Hamilton
Made to Order · 4-6 Wk
Hamilton S-ZFMD-1255POYB 12" x 5.5" Polyurethane Swivel Caster – 4800 lb
Part # S-ZFMD-1255POYB
from $3,328.00
Volume pricing available
PolyurethanePlate
Load rating
4800 lbs
Size12" x 5-1/2"
Capacity4800 lbs
WheelPolyurethane
MountPlate 8-1/2" x 8-1/2"
TypeSwivel
More Details Less Details
Width 5-1/2"
Height 15-1/2"
Temp Range -30°F to 150°F
Rig Type Swivel
Brake No Brake
Frame Platinum Powder
Hamilton Spinfinity Maxi-Duty Swivel Caster with 12" x 5.5" Red Polyurethane (85A) Presson Wheel...
Shop Product
12500 lbs
TieredPricing
Hamilton Spinfinity Maxi-Duty Rigid Caster with 18" x 9" Red Polyurethane (85A) Presson Wheel with 2" Sealed Precision Ball Bearings Hamilton
Made to Order · 4-6 Wk
Hamilton ZFMD 18" x 9" Polyurethane Rigid Caster – 12500 lb
Part # R-ZFMD-1890POYB
$6,202.00
Volume pricing available
PolyurethanePlate
Load rating
12500 lbs
Size18" x 9"
Capacity12500 lbs
WheelPolyurethane
MountPlate 8-1/2" x 8-1/2"
TypeRigid
More Details Less Details
Width 9"
Height 21-3/4"
Temp Range -30°F to 150°F
Rig Type Rigid
Brake No Brake
Frame Platinum Powder
Hamilton Spinfinity Maxi-Duty Rigid Caster with 18" x 9" Red Polyurethane (85A) Presson Wheel...
Shop Product
8200 lbs
TieredPricing
Hamilton Spinfinity Maxi-Duty Rigid Caster with 16" x 7" Red Polyurethane (85A) Presson Wheel with 1 1/2" Sealed Precision Ball Bearings Hamilton
Made to Order · 4-6 Wk
Hamilton 16" x 7" Polyurethane Rigid Caster – 8200 lb
Part # R-ZFMD-1670POYB
$5,379.00
Volume pricing available
PolyurethanePlate
Load rating
8200 lbs
Size16" x 7"
Capacity8200 lbs
WheelPolyurethane
MountPlate 8-1/2" x 8-1/2"
TypeRigid
More Details Less Details
Width 7"
Height 19-3/4"
Temp Range -30°F to 150°F
Rig Type Rigid
Brake No Brake
Frame Platinum Powder
Hamilton Spinfinity Maxi-Duty Rigid Caster with 16" x 7" Red Polyurethane (85A) Presson Wheel...
Shop Product
9800 lbs
TieredPricing
Hamilton Spinfinity Maxi-Duty Rigid Caster with 15" x 9" Red Polyurethane (85A) Presson Wheel with 1 1/2" Sealed Precision Ball Bearings Hamilton
Made to Order · 4-6 Wk
Hamilton R-ZFMD-1590POYB 15" x 9" Polyurethane Rigid Caster – 9800 lb
Part # R-ZFMD-1590POYB
$4,732.00
Volume pricing available
PolyurethanePlate
Load rating
9800 lbs
Size15" x 9"
Capacity9800 lbs
WheelPolyurethane
MountPlate 8-1/2" x 8-1/2"
TypeRigid
More Details Less Details
Width 9"
Height 18-7/8"
Temp Range -30°F to 150°F
Rig Type Rigid
Brake No Brake
Frame Platinum Powder
Hamilton Spinfinity Maxi-Duty Rigid Caster with 15" x 9" Red Polyurethane (85A) Presson Wheel...
Shop Product
5200 lbs
TieredPricing
Hamilton Spinfinity Maxi-Duty Rigid Caster with 13.5" x 5.5" Red Polyurethane (85A) Presson Wheel with 1 1/2" Sealed Precision Ball Bearings Hamilton
Made to Order · 4-6 Wk
Hamilton R-ZFMD-1355POYB 13.5" x 5.5" Polyurethane Rigid Caster – 5200 lb
Part # R-ZFMD-1355POYB
$3,626.00
Volume pricing available
PolyurethanePlate
Load rating
5200 lbs
Size13" x 5-1/2"
Capacity5200 lbs
WheelPolyurethane
MountPlate 8-1/2" x 8-1/2"
TypeRigid
More Details Less Details
Width 5-1/2"
Height 17-1/8"
Temp Range -30°F to 150°F
Rig Type Rigid
Brake No Brake
Frame Platinum Powder
Hamilton Spinfinity Maxi-Duty Rigid Caster with 13.5" x 5.5" Red Polyurethane (85A) Presson Wheel...
Shop Product
4800 lbs
TieredPricing
Hamilton Spinfinity Maxi-Duty Rigid Caster with 12" x 5.5" Red Polyurethane (85A) Presson Wheel with 1 1/4" Sealed Precision Ball Bearings Hamilton
Made to Order · 4-6 Wk
Hamilton R-ZFMD-1255POYB 12" x 5.5" Polyurethane Rigid Caster – 4800 lb
Part # R-ZFMD-1255POYB
$3,166.00
Volume pricing available
PolyurethanePlate
Load rating
4800 lbs
Size12" x 5-1/2"
Capacity4800 lbs
WheelPolyurethane
MountPlate 8-1/2" x 8-1/2"
TypeRigid
More Details Less Details
Width 5-1/2"
Height 15-5/8"
Temp Range -30°F to 150°F
Rig Type Rigid
Brake No Brake
Frame Platinum Powder
Hamilton Spinfinity Maxi-Duty Rigid Caster with 12" x 5.5" Red Polyurethane (85A) Presson Wheel...
Shop Product

Spinfinity Kinpinless Caster Series with TerraTech Standard Wheels

Hamilton's new standard TerraTech™ wheels are designed for general purpose applications that require moving heavy loads at speeds up to 10 mph. TerraTech's high performance polyurethane is formulated for optimum traction with an 85 Shore A hardness and a very high cut & tear resistance. This compound's softer tread allows for an ultra-fast flat spot run-out, less vibration, and reduced noise. Have wet and/or slippery floors? This TerraTech tire provides exceptional grip in wet and even cold conditions compared to most other polyurethanes.

To design for the high speeds and provide even greater rollability, engineers equipped all TerraTech wheels with massive double-stacked, maintenance-free precision ball bearings. The TerraTech are offered below in a variety of popular sizes for use on industrial trailers and wagons. For wheel diameters up to 18" tread color is red. For diameters over 18", tread color is black.

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