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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 Casters w/ UltraGlide 24/7 Wheels · 4"–10" · 900–2,400 lb · Polyurethane

Diameter: 4, 6, 8, 10 inTread: 2, 3 inCapacity: up to 2,400 lb
UltraGlide 24/7 Wheels for heavy warehouse carts, die carts, and plant fixtures. Typical builds show wheel diameters 4, 6, 8, 10 in, plate-mount frames, and capacities 900 to 2,400 lb. For dual-wheel or wide treads, check fork clearance and swivel radius in tight aisles. When floors see chemicals or washdowns, prefer sealed bearings and non-absorbent wheel compounds. These heavy-duty options cover everyday heavy warehouse carts, die carts, and plant fixtures without jumping to extreme forged series.

Shop by type

4 types

Wheel = wheel diameter · capacity is per caster.

900 lbs
TieredPricing
Hamilton Spinfinity Maintenance-Free Kingpinless ZFWH Series Swivel Caster with 4" x 2" UltraGlide (95A) Twin Wheel Grey Tread on Aluminum Core with 3/4" Sealed Precision Ball Bearings Hamilton
Made to Order · 4-6 Wk
Hamilton S-ZFWH-4SWC95 4" x 2" UltraGlide Swivel Kingpinless Caster – 900 lb
Part # S-ZFWH-4SWC95
from $309.00
Volume pricing available
PolyurethanePlate
Load rating
900 lbs
Diameter 4"
Capacity 900 lbs
Wheel Polyurethane
Mount Plate
More Details Less Details
Width 2"
Core Aluminum
Temp Range -20°F to 180°F
Rig Type Swivel
Brake No Brake
Frame Zinc Plated Steel
Hamilton Spinfinity Maintenance-Free Kingpinless ZFWH Series Swivel Caster with 4" x 2" UltraGlide (95A)...
Shop Product
2400 lbs
TieredPricing
Hamilton Spinfinity Kingpinless ZFHS Series Swivel Caster - 8"x2" Twin Wheel with UltraGlide 95A Grey Tread, 2400 lbs Load Capacity, Aluminum Core, 3/4" Sealed Precision Ball Bearings - Maintenance-Free - S-ZFHS-8SWC95 Hamilton
Made to Order · 4-6 Wk
Hamilton S-ZFHS-8SWC95 8"x2" UltraGlide Swivel Kingpinless Caster – 2400 lb
Part # S-ZFHS-8SWC95
from $446.00
Volume pricing available
PolyurethanePlate
Load rating
2400 lbs
Diameter 8"
Capacity 2400 lbs
Wheel Polyurethane
Mount Plate
More Details Less Details
Width 2"
Core Aluminum
Temp Range -20°F to 180°F
Rig Type Swivel
Brake No Brake
Frame Zinc Plated Steel
Hamilton Spinfinity Kingpinless Swivel Caster - S-ZFHS-8SWC95 Hamilton Spinfinity Kingpinless ZFHS Series Swivel Caster...
Shop Product
TieredPricing
Hamilton Spinfinity S-ZFHS-6SWC95 - Maintenance-Free Kingpinless ZFHS Series Swivel Caster with UltraGlide Twin Wheel and Sealed Precision Ball Bearings Hamilton
Made to Order · 4-6 Wk
Hamilton S-ZFHS-6SWC95 6" x 2" UltraGlide Swivel Kingpinless Caster
Part # S-ZFHS-6SWC95
from $392.00
Volume pricing available
PolyurethanePlate
Wheel Polyurethane
Mount Plate
More Details Less Details
Core Aluminum
Temp Range -20°F to 180°F
Rig Type Swivel
Brake No Brake
Frame Zinc Plated Steel
S-ZFHS-6SWC95 Hamilton Spinfinity Kingpinless Swivel CasterHamilton Spinfinity Maintenance-Free Kingpinless ZFHS Series Swivel Caster (S-ZFHS-6SWC95)...
Shop Product
1794 lbs
TieredPricing
Hamilton Spinfinity S-ZFHS-4SWC95: Kingpinless, Maintenance-Free Swivel Caster with 4" x 2" UltraGlide Twin Wheel & Sealed Precision Ball Bearings Hamilton
Made to Order · 4-6 Wk
Hamilton S-ZFHS-4SWC95 4" x 2" UltraGlide Swivel Kingpinless Caster – 1794 lb
Part # S-ZFHS-4SWC95
from $338.00
Volume pricing available
PolyurethanePlate
Load rating
1794 lbs
Diameter 4"
Capacity 1794 lbs
Wheel Polyurethane
Mount Plate
More Details Less Details
Width 2"
Core Aluminum
Temp Range -20°F to 180°F
Rig Type Swivel
Brake No Brake
Frame Zinc Plated Steel
S-ZFHS-4SWC95 Hamilton Spinfinity Maintenance-Free Kingpinless ZFHS Series Swivel Caster Description The S-ZFHS-4SWC95 Hamilton Spinfinity...
Shop Product
1900 lbs
TieredPricing
Hamilton Workhorse Swivel Caster with 8" x 2" UltraGlide (95A) Twin Wheel Grey Tread on Aluminum Core with 3/4" Sealed Precision Ball Bearings Hamilton
Made to Order · 4-6 Wk
Hamilton S-WH-8SWC95 8" x 2" UltraGlide Twin Wheel Swivel Caster – 1900 lb
Part # S-WH-8SWC95
from $391.00
Volume pricing available
PolyurethanePlate
Load rating
1900 lbs
Diameter 8"
Capacity 1900 lbs
Wheel Polyurethane
Mount Plate
More Details Less Details
Width 2"
Core Aluminum
Temp Range -20°F to 180°F
Rig Type Swivel
Brake No Brake
Frame Zinc Plated Steel
Hamilton Workhorse Swivel Caster with 8" x 2" UltraGlide (95A) Twin Wheel Grey Tread...
Shop Product
2000 lbs
TieredPricing
Hamilton Workhorse Swivel Caster with 6" x 2" UltraGlide (95A) Twin Wheel Grey Tread on Aluminum Core with 3/4" Sealed Precision Ball Bearings Hamilton
Made to Order · 4-6 Wk
Hamilton S-WH-6SWC95 6" x 2" UltraGlide Twin Wheel Swivel Caster – 2000 lb
Part # S-WH-6SWC95
from $348.00
Volume pricing available
PolyurethanePlate
Load rating
2000 lbs
Diameter 6"
Capacity 2000 lbs
Wheel Polyurethane
Mount Plate
More Details Less Details
Width 2"
Core Aluminum
Temp Range -20°F to 180°F
Rig Type Swivel
Brake No Brake
Frame Zinc Plated Steel
Hamilton Workhorse Swivel Caster with 6" x 2" UltraGlide (95A) Twin Wheel Grey Tread...
Shop Product
900 lbs
TieredPricing
Hamilton Workhorse Swivel Caster with 4" x 2" UltraGlide (95A) Twin Wheel Grey Tread on Aluminum Core with 3/4" Sealed Precision Ball Bearings Hamilton
Made to Order · 4-6 Wk
Hamilton S-WH-4SWC95 4" x 2" UltraGlide Swivel Dual Wheel Caster – 900 lb
Part # S-WH-4SWC95
from $268.00
Volume pricing available
PolyurethanePlate
Load rating
900 lbs
Diameter 4"
Capacity 900 lbs
Wheel Polyurethane
Mount Plate
More Details Less Details
Width 2"
Core Aluminum
Temp Range -20°F to 180°F
Rig Type Swivel
Brake No Brake
Frame Zinc Plated Steel
Hamilton Workhorse Swivel Caster with 4" x 2" UltraGlide (95A) Twin Wheel Grey Tread...
Shop Product
2200 lbs
TieredPricing
Hamilton ForgeMaster Swivel Caster with 10" x 3" UltraGlide (95A) Triple Wheel Grey Tread on Aluminum Core with 3/4" Sealed Precision Ball Bearings Hamilton
Made to Order · 4-6 Wk
Hamilton S-FM-13SWF95 10" x 3" UltraGlide Swivel Caster – 2200 lb
Part # S-FM-13SWF95
$843.00
Volume pricing available
PolyurethanePlate
Load rating
2200 lbs
Diameter 10"
Capacity 2200 lbs
Wheel Polyurethane
Mount Plate
More Details Less Details
Width 3"
Core Aluminum
Temp Range -20°F to 180°F
Rig Type Swivel
Brake No Brake
Frame Zinc Plated Steel
Hamilton ForgeMaster Swivel Caster with 10" x 3" UltraGlide (95A) Triple Wheel Grey Tread...
Shop Product
2400 lbs
TieredPricing
Hamilton ZFWH Series Rigid Caster with 8" x 2" UltraGlide (95A) Twin Wheel Grey Tread on Aluminum Core with 3/4" Sealed Precision Ball Bearings Hamilton
Made to Order · 4-6 Wk
Hamilton R-ZFWH-8SWC95 8" x 2" UltraGlide Rigid Caster – 2400 lb
Part # R-ZFWH-8SWC95
from $387.00
Volume pricing available
PolyurethanePlate
Load rating
2400 lbs
Diameter 8"
Capacity 2400 lbs
Wheel Polyurethane
Mount Plate
More Details Less Details
Width 2"
Core Aluminum
Temp Range -20°F to 180°F
Rig Type Rigid
Brake No Brake
Frame Zinc Plated Steel
Hamilton ZFWH Series Rigid Caster with 8" x 2" UltraGlide (95A) Twin Wheel Grey...
Shop Product
1500 lbs
TieredPricing
Hamilton Spinfinity Maintenance-Free Kingpinless ZFWH Series Rigid Caster with 6" x 2" UltraGlide (95A) Twin Wheel GrayTread on Aluminum Core with 3/4" Sealed Precision Ball Bearings Hamilton
Made to Order · 4-6 Wk
Hamilton R-ZFWH-6SWC95 6" x 2" UltraGlide Rigid Kingpinless Caster – 1500 lb
Part # R-ZFWH-6SWC95
from $469.00
Volume pricing available
PolyurethanePlate
Load rating
1500 lbs
Diameter 6"
Capacity 1500 lbs
Wheel Polyurethane
Mount Plate
More Details Less Details
Width 2"
Core Aluminum
Temp Range -20°F to 180°F
Rig Type Rigid
Brake No Brake
Frame Zinc Plated Steel
Hamilton Spinfinity Maintenance-Free Kingpinless ZFWH Series Rigid Caster with 6" x 2" UltraGlide (95A)...
Shop Product
TieredPricing
Hamilton ZFWH Series Rigid Caster with 4" x 2" UltraGlide (95A) Twin Wheel Grey Tread on Aluminum Core with 3/4" Sealed Precision Ball Bearings Hamilton
Made to Order · 4-6 Wk
Hamilton R-ZFWH-4SWC95 4" x 2" UltraGlide Rigid Dual Wheel Caster
Part # R-ZFWH-4SWC95
from $230.00
Volume pricing available
PolyurethanePlate
Diameter 4"
Wheel Polyurethane
Mount Plate
More Details Less Details
Width 2"
Core Aluminum
Temp Range -20°F to 180°F
Rig Type Rigid
Brake No Brake
Frame Zinc Plated Steel
Hamilton ZFWH Series Rigid Caster with 4" x 2" UltraGlide (95A) Twin Wheel Grey...
Shop Product
1900 lbs
TieredPricing
Hamilton Workhorse Rigid Caster with 8" x 2" UltraGlide (95A) Twin Wheel Grey Tread on Aluminum Core with 3/4" Sealed Precision Ball Bearings Hamilton
Made to Order · 4-6 Wk
Hamilton R-WH-8SWC95 8" x 2" UltraGlide Rigid Caster – 1900 lb
Part # R-WH-8SWC95
from $319.00
Volume pricing available
PolyurethanePlate
Load rating
1900 lbs
Diameter 8"
Capacity 1900 lbs
Wheel Polyurethane
Mount Plate
More Details Less Details
Width 2"
Core Aluminum
Temp Range -20°F to 180°F
Rig Type Rigid
Brake No Brake
Frame Zinc Plated Steel
Hamilton Workhorse Rigid Caster with 8" x 2" UltraGlide (95A) Twin Wheel Grey Tread...
Shop Product
1500 lbs
TieredPricing
Hamilton Workhorse Rigid Caster with 6" x 2" UltraGlide (95A) Twin Wheel Grey Tread on Aluminum Core with 3/4" Sealed Precision Ball Bearings Hamilton
Made to Order · 4-6 Wk
Hamilton R-WH-6SWC95 6" x 2" UltraGlide Rigid Caster – 1500 lb
Part # R-WH-6SWC95
from $256.00
Volume pricing available
PolyurethanePlate
Load rating
1500 lbs
Diameter 6"
Capacity 1500 lbs
Wheel Polyurethane
Mount Plate
More Details Less Details
Width 2"
Core Aluminum
Temp Range -20°F to 180°F
Rig Type Rigid
Brake No Brake
Frame Zinc Plated Steel
Hamilton Workhorse Rigid Caster with 6" x 2" UltraGlide (95A) Twin Wheel Grey Tread...
Shop Product
900 lbs
TieredPricing
Hamilton Workhorse Rigid Caster with 4" x 2" UltraGlide (95A) Twin Wheel Grey Tread on Aluminum Core with 3/4" Sealed Precision Ball Bearings Hamilton
Made to Order · 4-6 Wk
Hamilton 4" x 2" UltraGlide Rigid Dual Wheel Caster – 900 lb
Part # R-WH-4SWC95
from $209.00
Volume pricing available
PolyurethanePlate
Load rating
900 lbs
Diameter 4"
Capacity 900 lbs
Wheel Polyurethane
Mount Plate
More Details Less Details
Width 2"
Core Aluminum
Temp Range -20°F to 180°F
Rig Type Rigid
Brake No Brake
Frame Zinc Plated Steel
Hamilton Workhorse Rigid Caster with 4" x 2" UltraGlide (95A) Twin Wheel Grey Tread...
Shop Product
2000 lbs
TieredPricing
Hamilton Heavy Service Rigid Caster with 8" x 2" UltraGlide (95A) Twin Wheel Grey Tread on Aluminum Core with 3/4" Sealed Precision Ball Bearings Hamilton
Made to Order · 4-6 Wk
Hamilton R-HS-8SWC95 8" x 2" UltraGlide Rigid Dual Wheel Caster – 2000 lb
Part # R-HS-8SWC95
from $350.00
Volume pricing available
PolyurethanePlate
Load rating
2000 lbs
Diameter 8"
Capacity 2000 lbs
Wheel Polyurethane
Mount Plate
More Details Less Details
Width 2"
Core Aluminum
Temp Range -20°F to 180°F
Rig Type Rigid
Brake No Brake
Frame Zinc Plated Steel
Hamilton Heavy Service Rigid Caster with 8" x 2" UltraGlide (95A) Twin Wheel Grey...
Shop Product
1500 lbs
TieredPricing
Hamilton R-HS-6SWC95 6" x 2" UltraGlide Rigid Caster – 1500 lb | CasterHQ
Made to Order · 4-6 Wk
Hamilton R-HS-6SWC95 6" x 2" UltraGlide Rigid Caster – 1500 lb
Part # R-HS-6SWC95
from $268.00
Volume pricing available
PolyurethanePlate
Load rating
1500 lbs
Diameter 6"
Capacity 1500 lbs
Wheel Polyurethane
Mount Plate
More Details Less Details
Width 2"
Core Aluminum
Temp Range -20°F to 180°F
Rig Type Rigid
Brake No Brake
Frame Zinc Plated Steel
Hamilton Heavy Service Rigid Caster with 6" x 2" UltraGlide (95A) Twin Wheel Grey...
Shop Product
900 lbs
TieredPricing
Hamilton Heavy Service Rigid Caster with 4" x 2" UltraGlide (95A) Twin Wheel Grey Tread on Aluminum Core with 3/4" Sealed Precision Ball Bearings Hamilton
Made to Order · 4-6 Wk
Hamilton R-HS-4SWC95 4" x 2" UltraGlide Rigid Dual Wheel Caster – 900 lb
Part # R-HS-4SWC95
from $203.00
Volume pricing available
PolyurethanePlate
Load rating
900 lbs
Diameter 4"
Capacity 900 lbs
Wheel Polyurethane
Mount Plate
More Details Less Details
Width 2"
Core Aluminum
Temp Range -20°F to 180°F
Rig Type Rigid
Brake No Brake
Frame Zinc Plated Steel
Hamilton Heavy Service Rigid Caster with 4" x 2" UltraGlide (95A) Twin Wheel Grey...
Shop Product

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