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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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Polyolefin Wheels
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Atx Off-road Wheels
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Phenolic Wheels
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Metal Wheels (All Types)
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Flat-free (Foam-filled)
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Caster Plate Mounting Hardware

Caster Plate Mounting Hardware
Quick Change Caster Pads

Quick Change Caster Pads
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Caster Frames - Swivel & Rigid
Sockets & T-nuts For Casters

Sockets & T-nuts For Casters
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Washers
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Expanding Rubber Adapter Kits
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Caster Shims & Weld Plates
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Floor Truck Locks
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Polyurethane Casters

Diameter: 4 to 8 inTread: 2 inCapacity: 700 to 1,400 lb per casterPlate sizes: 4 x 4-1/2
You get four polyurethane casters here from Durastar with 4 to 8 in wheels, rated 700 to 1,400 lb each. Every one uses a 4 x 4-1/2 in top plate, all swivel, and none has a brake. Picks range from a 4 x 2 in polyurethane on steel swivel kingpinless caster rated 700 lb to an 8 x 2 in polyurethane on steel swivel kingpinless caster rated 1,400 lb.

Shop by type

4 types

Wheel = wheel diameter · capacity is per caster.

1000 lbs
TieredPricing
Kingpinless Heavy Duty 40 Series - 5" x 2" Polyurethane on Steel Swivel Caster - 1000 lb Capacity, Choose between Top Plate Size and bearing Durastar
Ships in 1-3 Business Days
5" x 2" Polyurethane on Steel Swivel Kingpinless Caster – 1000 lb
Part # 40-S-520-PU
from $95.00
Volume pricing available
PolyurethanePlate
Load rating
1000 lbs
Size5" x 2"
Capacity1000 lbs
WheelPolyurethane
MountPlate 4" x 4-1/2"4-1/2" x 6-1/4"
TypeSwivel
More Details Less Details
Width 2"
Height 6-1/2"
Core Steel
Temp Range -45°F to 180°F
Rig Type Swivel
Brake No Brake
Frame Zinc Plated Steel
Kingpinless Heavy Duty 40 Series - 5" x 2" Polyurethane on Steel Swivel Caster...
Shop Product
1200 lbs
TieredPricing
Kingpinless Heavy Duty 40 Series - 6" x 2" Polyurethane on Steel Swivel Caster - 1200 lb Capacity, Choose between Top Plate Size and bearing Durastar
Ships in 1-3 Business Days
6" x 2" Polyurethane on Steel Swivel Kingpinless Caster – 1200 lb
Part # 40-S-620-PU
from $115.00
Volume pricing available
PolyurethanePlate
Load rating
1200 lbs
Size6" x 2"
Capacity1200 lbs
WheelPolyurethane
MountPlate 4" x 4-1/2"4-1/2" x 6-1/4"
TypeSwivel
More Details Less Details
Width 2"
Height 7-1/2"
Core Steel
Temp Range -45°F to 180°F
Rig Type Swivel
Brake No Brake
Frame Zinc Plated Steel
Kingpinless Heavy Duty 40 Series - 6" x 2" Polyurethane on Steel Swivel Caster...
Shop Product
700 lbs
TieredPricing
Kingpinless Heavy Duty 40 Series - 4" x 2" Polyurethane on Steel Swivel Caster - 700 lb Capacity, Choose between Top Plate Size and bearing Durastar
Ships in 1-3 Business Days
4" x 2" Polyurethane on Steel Swivel Kingpinless Caster – 700 lb
Part # 40-S-420-PU
from $72.00
Volume pricing available
PolyurethanePlate
Load rating
700 lbs
Size4" x 2"
Capacity700 lbs
WheelPolyurethane
MountPlate 4" x 4-1/2"4-1/2" x 6-1/4"
TypeSwivel
More Details Less Details
Width 2"
Height 5-5/8"
Core Steel
Temp Range -45°F to 180°F
Rig Type Swivel
Brake No Brake
Frame Zinc Plated Steel
Kingpinless Heavy Duty 40 Series - 4" x 2" Polyurethane on Steel Swivel Caster...
Shop Product
1400 lbs
TieredPricing
Kingpinless Heavy Duty 40 Series - 8" x 2" Polyurethane on Steel Swivel Caster - 1400 lb Capacity, Choose between Top Plate Size and bearing Durastar
Ships in 1-3 Business Days
8" x 2" Polyurethane on Steel Swivel Kingpinless Caster – 1400 lb
Part # 40-S-820-PU
from $140.00
Volume pricing available
PolyurethanePlate
Load rating
1400 lbs
Size8" x 2"
Capacity1400 lbs
WheelPolyurethane
MountPlate 4" x 4-1/2"4-1/2" x 6-1/4"
TypeSwivel
More Details Less Details
Width 2"
Height 9-1/2"
Core Steel
Temp Range -45°F to 180°F
Rig Type Swivel
Brake No Brake
Frame Zinc Plated Steel
Kingpinless Heavy Duty 40 Series - 8" x 2" Polyurethane on Steel Swivel Caster...
Shop Product

Durastar Casters - Heavy Duty Top Plate Casters - 40 SERIES

Unmatched Durability and Flexibility

  • Wheel Type: Polyurethane on Steel - PU Wheels
  • Load Capacity: Engineered for heavy-duty performance
  • Plate Dimensions: Robust top plate for maximum stability
  • Application Versatility: Ideal for industrial, warehouse, and outdoor environments

Experience the pinnacle of mobility solutions with Durastar’s 40 SERIES Heavy Duty Top Plate Casters, featuring state-of-the-art Polyurethane on Steel - PU wheels. These casters are designed to provide not only superior durability but also exceptional floor protection and noise reduction, suitable for a variety of demanding applications.

The robust top plate design ensures enhanced stability and load distribution, making them a preferred choice for equipment in industrial settings, warehouses, and even challenging outdoor terrains. The PU wheels offer a smooth, resilient roll, absorbing shocks and overcoming obstacles with ease, thereby minimizing strain on both the equipment and operator.

Choose Durastar Casters for a reliable, efficient, and ergonomic caster solution that meets the rigorous demands of your operational needs while enhancing workplace safety and productivity.

Elevate Your Equipment's Performance

Upgrade to Durastar’s 40 SERIES Heavy Duty Casters today and transform how your equipment moves. Enjoy enhanced mobility, safety, and durability tailored specifically to your heavy-duty needs.

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