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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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7" dia. 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: 6 to 12 inTread: 4 to 5 inCapacity: 5,800 to 13,000 lb per casterPlate sizes: 8-1/2 x 8-1/2, 8-1/2 x 10-1/2
This page lists 13 polyurethane casters with 6 to 12 in wheels, rated 5,800 to 13,000 lb each, made by Hamilton. Most mount on a 8-1/2 x 8-1/2 in plate, with 8-1/2 x 10-1/2 in also offered, and you can pick swivel or rigid and without brakes. You will find a Hamilton 8 x 4 in UltraGlide dual wheel rigid caster rated 8,100 lb and a Hamilton 12 x 4 in DuraGlide poly dual wheel swivel caster rated 13,000 lb here.

Shop by type

4 types

Wheel = wheel diameter · capacity is per caster.

9000 lbs
TieredPricing
Hamilton Maxi-Duty Dual-Wheel Swivel Caster with 8" x 5" UltraGlide (95A) Five-Wheel Grey Tread on Aluminum Core with 1 1/4" Sealed Precision Ball Bearings Hamilton
Made to Order · 4-6 Wk
Hamilton S-MDD-85SWC95 8" x 5" UltraGlide Dual Wheel Swivel Caster – 9000 lb
Part # S-MDD-85SWC95
$2,753.00
Volume pricing available
PolyurethanePlate
Load rating
9000 lbs
Size8" x 5"
Capacity9000 lbs
WheelPolyurethane
MountPlate 8-1/2" x 8-1/2"
TypeSwivel
More Details Less Details
Width 5"
Height 11"
Bolt Pattern 7" x 7"
Core Aluminum
Temp Range -50°F to 200°F
Rig Type Swivel
Brake No Brake
Frame Platinum Powder
Hamilton Maxi-Duty Dual-Wheel Swivel Caster with 8" x 5" UltraGlide (95A) Five-Wheel Grey Tread...
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8100 lbs
TieredPricing
Hamilton Maxi-Duty Dual-Wheel Swivel Caster with 8" x 4" UltraGlide (95A) Quad-Wheel Grey Tread on Aluminum Core with 1 1/4" Sealed Precision Ball Bearings Hamilton
Made to Order · 4-6 Wk
Hamilton S-MDD-84SWC95 8" x 4" UltraGlide Swivel Dual Wheel Caster – 8100 lb
Part # S-MDD-84SWC95
$2,187.00
Volume pricing available
PolyurethanePlate
Load rating
8100 lbs
Size8" x 4"
Capacity8100 lbs
WheelPolyurethane
MountPlate 8-1/2" x 8-1/2"
TypeSwivel
More Details Less Details
Width 4"
Height 11"
Bolt Pattern 7" x 7"
Core Aluminum
Temp Range -50°F to 200°F
Rig Type Swivel
Brake No Brake
Frame Platinum Powder
Hamilton Maxi-Duty Dual-Wheel Swivel Caster with 8" x 4" UltraGlide (95A) Quad-Wheel Grey Tread...
Shop Product
7700 lbs
TieredPricing
Hamilton Maxi-Duty Dual-Wheel Swivel Caster with 6" x 5" UltraGlide(95A) Five-Wheel Grey Tread on Aluminum Core with 1 1/4" Sealed Precision Ball Bearings Hamilton
Made to Order · 4-6 Wk
Hamilton S-MDD-65SWC95 6" x 5" UltraGlide Swivel Dual Wheel Caster
Part # S-MDD-65SWC95
$2,459.00
Volume pricing available
PolyurethanePlate
Load rating
7700 lbs
Size6" x 5"
Capacity7700 lbs
WheelPolyurethane
MountPlate 8-1/2" x 8-1/2"
TypeSwivel
More Details Less Details
Width 5"
Height 10"
Bolt Pattern 7" x 7"
Core Aluminum
Temp Range -50°F to 200°F
Rig Type Swivel
Brake No Brake
Frame Platinum Powder
Hamilton Maxi-Duty Dual-Wheel Swivel Caster with 6" x 5" UltraGlide(95A) Five-Wheel Grey Tread on...
Shop Product
5800 lbs
TieredPricing
6" x 4" wheel Hamilton Maxi-Duty Dual-Wheel Swivel Caster with 6" x 4" UltraGlide(95A) Quad-Wheel Grey Tread on Aluminum Core with 1 1/4" Sealed Precision Ball Bearings Hamilton
Made to Order · 4-6 Wk
Hamilton 6" x 4" UltraGlide Swivel Dual Wheel Caster – 5800 lb
Part # S-MDD-64SWC95
$1,981.00
Volume pricing available
PolyurethanePlate
Load rating
5800 lbs
Size6" x 4"
Capacity5800 lbs
WheelPolyurethane
MountPlate 8-1/2" x 8-1/2"
TypeSwivel
More Details Less Details
Width 4"
Height 10"
Bolt Pattern 7" x 7"
Core Aluminum
Temp Range -50°F to 200°F
Rig Type Swivel
Brake No Brake
Frame Platinum Powder
6" x 4" wheel Hamilton Maxi-Duty Dual-Wheel Swivel Caster with 6" x 4" UltraGlide...
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10200 lbs
TieredPricing
Hamilton Maxi-Duty Dual-Wheel Swivel Caster with 12" x 4" UltraGlide (95A) Quad-Wheel Grey Tread on Aluminum Core with 1 1/4" Sealed Precision Ball Bearings Hamilton
Made to Order · 4-6 Wk
Hamilton S-MDD-124SWF95 Dual Wheel Swivel Caster 12" x 4" – 10200 lb
Part # S-MDD-124SWF95
$2,460.00
Volume pricing available
PolyurethanePlate
Load rating
10200 lbs
Size12" x 4"
Capacity10200 lbs
WheelPolyurethane
MountPlate 8-1/2" x 8-1/2"
TypeSwivel
More Details Less Details
Width 4"
Height 15-1/2"
Bolt Pattern 7" x 7"
Core Aluminum
Temp Range -50°F to 200°F
Rig Type Swivel
Brake No Brake
Frame Platinum Powder
Hamilton Maxi-Duty Dual-Wheel Swivel Caster with 12" x 4" UltraGlide (95A) Quad-Wheel Grey Tread...
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13000 lbs
TieredPricing
Hamilton Maxi-Duty Swivel Caster Hamilton Maxi-Duty Dual-Wheel Swivel Caster with 12" x 4" (2" Thick) DuraGlide Polyurethane (95A) on Forged Steel Cewith 16" x 5" Duralast Polyurethane (95A) on Cast Iron Wheel with 1 1/4" Precision Tapered Roller Bearings Hamilton
Made to Order · 4-6 Wk
Hamilton 12" x 4" DuraGlide Poly Dual Wheel Swivel Caster – 13000 lb
Part # S-MDD-1242SGB95
$2,198.00
Volume pricing available
PolyurethanePlate
Load rating
13000 lbs
Size12" x 4"
Capacity13000 lbs
WheelPolyurethane
MountPlate 8-1/2" x 8-1/2"
TypeSwivel
More Details Less Details
Width 4"
Height 15-1/2"
Bolt Pattern 7" x 7"
Temp Range -5°F to 160°F
Rig Type Swivel
Brake No Brake
Frame Platinum Powder
Hamilton Maxi-Duty Dual-Wheel Swivel Caster with 12" x 4" (2" Thick) DuraGlide Polyurethane (95A)...
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9000 lbs
TieredPricing
Hamilton Maxi-Duty Dual-Wheel Swivel Caster with 10" x 4" UltraGlide (95A) Quad-Wheel Grey Tread on Aluminum Core with 1 1/4" Sealed Precision Ball Bearings Hamilton
Made to Order · 4-6 Wk
Hamilton S-MDD-104SWF95 10" x 4" UltraGlide Swivel Dual Wheel Caster
Part # S-MDD-104SWF95
$2,301.00
Volume pricing available
PolyurethanePlate
Load rating
9000 lbs
Size10" x 4"
Capacity9000 lbs
WheelPolyurethane
MountPlate 8-1/2" x 8-1/2"
TypeSwivel
More Details Less Details
Width 4"
Height 13"
Bolt Pattern 7" x 7"
Core Aluminum
Temp Range -50°F to 200°F
Rig Type Swivel
Brake No Brake
Frame Platinum Powder
Hamilton Maxi-Duty Dual-Wheel Swivel Caster with 10" x 4" UltraGlide (95A) Quad-Wheel Grey Tread...
Shop Product
9000 lbs
TieredPricing
Hamilton Maxi-Duty Dual-Wheel Rigid Caster with 8" x 5" UltraGlide (95A) Five-Wheel Grey Tread on Aluminum Core with 1 1/4" Sealed Precision Ball Bearings Hamilton
Made to Order · 4-6 Wk
Hamilton MDD-85SWC95 8" x 5" UltraGlide Rigid Dual Wheel Caster – 9000 lb
Part # R-MDD-85SWC95
$2,079.00
Volume pricing available
PolyurethanePlate
Load rating
9000 lbs
Size8" x 5"
Capacity9000 lbs
WheelPolyurethane
MountPlate 8-1/2" x 10-1/2"
TypeRigid
More Details Less Details
Width 5"
Height 11"
Core Aluminum
Temp Range -50°F to 200°F
Rig Type Rigid
Brake No Brake
Frame Platinum Powder
Hamilton Maxi-Duty Dual-Wheel Rigid Caster with 8" x 5" UltraGlide (95A) Five-Wheel Grey Tread...
Shop Product
8100 lbs
TieredPricing
Hamilton Maxi-Duty Dual-Wheel Rigid Caster with 8" x 4" UltraGlide (95A) Quad-Wheel Grey Tread on Aluminum Core with 1 1/4" Sealed Precision Ball Bearings Hamilton
Made to Order · 4-6 Wk
Hamilton 8" x 4" UltraGlide Dual Wheel Rigid Caster – 8100 lb
Part # R-MDD-84SWC95
$1,770.00
Volume pricing available
PolyurethanePlate
Load rating
8100 lbs
Size8" x 4"
Capacity8100 lbs
WheelPolyurethane
MountPlate 8-1/2" x 8-1/2"
TypeRigid
More Details Less Details
Width 4"
Height 11"
Core Aluminum
Temp Range -50°F to 200°F
Rig Type Rigid
Brake No Brake
Frame Platinum Powder
Hamilton Maxi-Duty Dual-Wheel Rigid Caster with 8" x 4" UltraGlide (95A) Quad-Wheel Grey Tread...
Shop Product
7700 lbs
TieredPricing
Hamilton Maxi-Duty Dual-Wheel Rigid Caster with 6" x 5" UltraGlide(95A) Five-Wheel Grey Tread on Aluminum Core with 1 1/4" Sealed Precision Ball Bearings Hamilton
Made to Order · 4-6 Wk
Hamilton MDD-65SWC95 6" x 5" UltraGlide Dual Wheel Rigid Caster – 7700 lb
Part # R-MDD-65SWC95
$1,811.00
Volume pricing available
PolyurethanePlate
Load rating
7700 lbs
Size6" x 5"
Capacity7700 lbs
WheelPolyurethane
MountPlate 8-1/2" x 10-1/2"
TypeRigid
More Details Less Details
Width 5"
Height 10"
Core Aluminum
Temp Range -50°F to 200°F
Rig Type Rigid
Brake No Brake
Frame Platinum Powder
Hamilton Maxi-Duty Dual-Wheel Rigid Caster with 6" x 5" UltraGlide(95A) Five-Wheel Grey Tread on...
Shop Product
5800 lbs
TieredPricing
6" x 4" wheel Hamilton Maxi-Duty Dual-Wheel Rigid Caster with 6" x 4" UltraGlide(95A) Quad-Wheel Grey Tread on Aluminum Core with 1 1/4" Sealed Precision Ball Bearings Hamilton
Made to Order · 4-6 Wk
Hamilton 6" x 4" UltraGlide Dual Wheel Rigid Caster – 5800 lb · Model R-MDD-64SWC95
Part # R-MDD-64SWC95
$1,530.00
Volume pricing available
PolyurethanePlate
Load rating
5800 lbs
Size6" x 4"
Capacity5800 lbs
WheelPolyurethane
MountPlate 8-1/2" x 8-1/2"
TypeRigid
More Details Less Details
Width 4"
Height 10"
Core Aluminum
Temp Range -50°F to 200°F
Rig Type Rigid
Brake No Brake
Frame Platinum Powder
6" x 4" wheel Hamilton Maxi-Duty Dual-Wheel Rigid Caster with 6" x 4" UltraGlide...
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10200 lbs
TieredPricing
Hamilton 12" x 4" UltraGlide Rigid Dual Wheel Caster – 16000 lb | CasterHQ
Made to Order · 4-6 Wk
Hamilton 12" x 4" UltraGlide Rigid Dual Wheel Caster – 10200 lb
Part # R-MDD-124SWF95
$2,186.00
Volume pricing available
PolyurethanePlate
Load rating
10200 lbs
Size12" x 4"
Capacity10200 lbs
WheelPolyurethane
MountPlate 8-1/2" x 8-1/2"
TypeRigid
More Details Less Details
Width 4"
Height 15-1/2"
Core Aluminum
Temp Range -50°F to 200°F
Rig Type Rigid
Brake No Brake
Frame Platinum Powder
Hamilton Maxi-Duty Dual-Wheel Rigid Caster with 12" x 4" UltraGlide (95A) Quad-Wheel Grey Tread...
Shop Product
9000 lbs
TieredPricing
Hamilton Maxi-Duty Dual-Wheel Rigid Caster with 10" x 4" UltraGlide (95A) Quad-Wheel Grey Tread on Aluminum Core with 1 1/4" Sealed Precision Ball Bearings Hamilton
Made to Order · 4-6 Wk
Hamilton R-MDD-104SWF95 10" x 4" UltraGlide Rigid Dual Wheel Caster
Part # R-MDD-104SWF95
$2,042.00
Volume pricing available
PolyurethanePlate
Load rating
9000 lbs
Size10" x 4"
Capacity9000 lbs
WheelPolyurethane
MountPlate 8-1/2" x 8-1/2"
TypeRigid
More Details Less Details
Width 4"
Height 13"
Core Aluminum
Temp Range -50°F to 200°F
Rig Type Rigid
Brake No Brake
Frame Platinum Powder
Hamilton Maxi-Duty Dual-Wheel Rigid Caster with 10" x 4" UltraGlide (95A) Quad-Wheel Grey Tread...
Shop Product

Maxi-Duty Dual Caster Series with UltraGlide 24/7 Wheels

The new UltraGlide 24/7 | AGV represents Hamilton’s latest modular wheel design to reduce the amount of energy needed to move loads in manual or powered applications.

The new UltraGlide series, like its twin-wheel predecessor, features independent swivel surfaces that eliminates scrubbing, making it much easier to turn. The wheel assembly also includes split outer raceways to minimize friction that provides low startup and maintain forces.

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