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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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Caster Plate Mounting Hardware

Caster Plate Mounting Hardware
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Sockets & T-nuts For Casters
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Orange Poly-on-Aluminum Casters, 4 x 4-1/2 Plate

Diameter: 4 to 8 inTread: 2 inCapacity: 1,000 to 1,250 lb per casterPlate sizes: 4 x 4-1/2
This page lists five polyurethane casters with 4 to 8 in wheels, rated 1,000 to 1,250 lb each, made by CasterHQ. Every one uses a 4 x 4-1/2 in top plate, in both swivel and rigid and without brakes. Two examples are a 4 x 2 in poly on aluminum swivel stainless caster rated 1,000 lb and an 8 x 2 in poly on aluminum swivel stainless caster rated 1,250 lb.
1000 lbs
TieredPricing
4" x 2" Stainless Swivel Caster Orange Polyurethane on Aluminum Caster - 1,000 lbs Capacity - 4" x 4-1/2" Mounting Plate CasterHQ
In Stock · Same/Next Day
4" x 2" Poly on Aluminum Swivel Stainless Caster – 1,000 lb
Part # S30CS420DUAS63-03
from $216.00
Volume pricing available
PolyurethanePlate
Load rating
1000 lbs
Size4" x 2"
Capacity1000 lbs
WheelPolyurethane
MountPlate 4" x 4-1/2"
TypeSwivel
More Details Less Details
Width 2"
Height 5-5/8"
Bolt Pattern 2-5/8" x 3-5/8" slotted to 3" x 3"
Core Aluminum
Temp Range Up to 180°F
Rig Type Swivel
Brake No Brake
4" x 2" Stainless Steel Swivel Caster - Orange Sirius Heavy Duty Donut Polyurethane...
Shop Product
1200 lbs
TieredPricing
5" x 2" Stainless Swivel Caster Orange Polyurethane on Aluminum Caster - 1,200 lbs Capacity - 4" x 4-1/2" Mounting Plate CasterHQ
In Stock · Same/Next Day
5" x 2" Poly on Aluminum Swivel Stainless Caster – 1,200 lb
Part # S30CS520DUAS63-03
from $265.00
Volume pricing available
PolyurethanePlate
Load rating
1200 lbs
Size5" x 2"
Capacity1200 lbs
WheelPolyurethane
MountPlate 4" x 4-1/2"
TypeSwivel
More Details Less Details
Width 2"
Height 6-1/2"
Bolt Pattern 2-5/8" x 3-5/8" slotted to 3" x 3"
Core Aluminum
Temp Range Up to 180°F
Rig Type Swivel
Brake No Brake
5" x 2" Stainless Steel Swivel Caster - Orange Sirius Heavy Duty Donut Polyurethane...
Shop Product
1250 lbs
TieredPricing
6" x 2" Stainless Swivel Caster Orange Polyurethane on Aluminum Caster - 1,250 lbs Capacity - 4" x 4-1/2" Mounting Plate CasterHQ
In Stock · Same/Next Day
6" x 2" Polyurethane on Aluminum Swivel Stainless Caster – 1,250 lb
Part # S30CS620DUAS63-03
from $282.00
Volume pricing available
PolyurethanePlate
Load rating
1250 lbs
Size6" x 2"
Capacity1250 lbs
WheelPolyurethane
MountPlate 4" x 4-1/2"
TypeSwivel
More Details Less Details
Width 2"
Height 7-1/2"
Bolt Pattern 2-5/8" x 3-5/8" slotted to 3" x 3"
Core Aluminum
Temp Range Up to 180°F
Rig Type Swivel
Brake No Brake
6" x 2" Stainless Steel Swivel Caster - Orange Sirius Heavy Duty Donut Polyurethane...
Shop Product
1250 lbs
TieredPricing
8" x 2" Stainless Swivel Caster Orange Polyurethane on Aluminum Caster - 1,250 lbs Capacity - 4" x 4-1/2" Mounting Plate CasterHQ
In Stock · Same/Next Day
8" x 2" Poly on Aluminum Swivel Stainless Caster – 1,250 lb
Part # S30CS820DUAS63-03
from $314.00
Volume pricing available
PolyurethanePlate
Load rating
1250 lbs
Size8" x 2"
Capacity1250 lbs
WheelPolyurethane
MountPlate 4" x 4-1/2"
TypeSwivel
More Details Less Details
Width 2"
Height 9-1/2"
Bolt Pattern 2-5/8" x 3-5/8" slotted to 3" x 3"
Core Aluminum
Temp Range Up to 180°F
Rig Type Swivel
Brake No Brake
8" x 2" Stainless Steel Swivel Caster - Orange Sirius Heavy Duty Donut Polyurethane...
Shop Product
1250 lbs
TieredPricing
8" x 2" Stainless Rigid Caster Orange Polyurethane on Aluminum Caster - 1,250 lbs Capacity - 4" x 4-1/2" Mounting Plate CasterHQ
In Stock · Same/Next Day
8" x 2" Poly on Aluminum Rigid Stainless Caster – 1,250 lb
Part # S30CR820DUAS63-03
from $248.00
Volume pricing available
PolyurethanePlate
Load rating
1250 lbs
Size8" x 2"
Capacity1250 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" slotted to 3" x 3"
Core Aluminum
Temp Range Up to 180°F
Rig Type Rigid
Brake No Brake
Frame Stainless Steel
8" x 2" Stainless Steel Rigid Caster - Orange Sirius Heavy Duty Donut Polyurethane...
Shop Product

Stainless Steel Casters with Orange Sirius Heavy Duty Donut Polyurethane on Aluminum Wheel - Swivel Casters - Plate Size: 4" x 4-1/2"

Plate Size: 4" x 4-1/2"
3-1/4" X 2" Inch Rigid Caster - Phenolic Wheel - 700 Lbs Capacity

CasterHQ's Sirius HD Poly on Aluminum Wheels are used in many applications where the casters and wheels are exposed to water or chemicals. Aluminum is resistant to rust and provides a very strong core for the liquid-cast polyurethane tread. Polyurethane on Aluminum wheels are used in Food Processing Equipment, Food Service, Hospitals, Research Laboratories, Pharmaceutical Laboratories, Bakeries, Schools, Institutional, and industrial applications and environments. Polyurethane is a non-marking tire that is much easier to roll compared to a softer rubber wheel. Polyurethane on Aluminum wheels is great for wash-down applications and wet, corrosive environments. These are great wheels as long as they are not abused, over-loaded, or used in high-impact shock load applications. Polyurethane on Aluminum Wheels is much lighter in weight but has a high weight capacity. We offer multiple polyurethane tread durometers (hardness) for different applications depending on your floor type and use. We offer flat tread and crown treads with multiple bearing options. If you need an application recommendation please contact us for expert advice.

STAINLESS CASTERS FEATURES & BENEFITS:
  • High-Grade Polyurethane Treads
  • 85 Shore A Durometer Tread Deflects Debris
  • Non-Marking and Rolls Effortlessly
  • Unmatched load capacities in its class
  • Ideal for towline applications
  • Multi-Year Tread Durability
  • Effortlessly Rolling using larger 6205 Sealed Precision Ball Bearings
  • Ergonomic Wheel used in Automotive Plants
  • Reduces Push / Pull Force by 30-60%
  • Reduces worker comp claims

    Questions? Please Call us @ 844-439-4335 or Contact Us Here

    For quick online service please email us: info@casterhq.com and a Caster Expert will help you answer any questions.
    Same-Day Ship on in-stock orders placed by noon CT (Mon-Fri)
    In-stock orders placed after noon CT or on weekends usually ship the next business day.

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