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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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Spring Loaded Casters · 5"–8" · 250–2,000 lb · Polyurethane

Diameter: 5 to 8 inTread: 1-1/4 and 2 inPlate: 4 x 4-1/2 inCapacity: 250 to 2,000 lb per caster
Spring loaded casters in polyurethane and stainless steel. Polyurethane is the most common tread here, rated 1,500 to 2,000 lb per caster in 6 and 8 in. Ratings by tread: stainless steel 250 lb. Brands: Colson.

Shop by type

2 types

Wheel = wheel diameter · capacity is per caster.

1500 lbs
TieredPricing
6 Inch x 2 Inch Spring Loaded Rigid Caster - 1500 lbs Capacity | HD Polyurethane on Aluminum Wheel CasterHQ
In Stock · Same/Next Day
6" x 2" Polyurethane Aluminum Rigid Ergonomic Spring Loaded Caster – 1500 lb
Part # C48CR620TUA63M-EX-03
from $199.00
Volume pricing available
Solid PolyurethanePlate
Load rating
1500 lbs
Size6" x 2"
Capacity1500 lbs
WheelSolid Polyurethane
MountPlate 4" x 4-1/2"
TypeRigid
More Details Less Details
Width 2"
Height 7-1/2"
Bolt Pattern 2-5/8" x 3-5/8" slotted to 3" x 3"
Temp Range Up to 180°F
Rig Type Rigid
Brake No Brake
Frame Zinc Plated Steel
6" x 2" Spring Loaded Rigid Caster - Polyurethane on Aluminum Wheel - 1,500...
Shop Product
1500 lbs
TieredPricing
6 Inch x 2 Inch Spring Loaded Swivel Caster - 1500 lbs Capacity | HD Polyurethane on Aluminum Wheel CasterHQ
In Stock · Same/Next Day
6" x 2" Polyurethane Swivel Ergonomic Spring Loaded Caster – 1500 lb
Part # C48CS620TUA63M-EX-03
from $216.00
Volume pricing available
Solid PolyurethanePlate
Load rating
1500 lbs
Size6" x 2"
Capacity1500 lbs
WheelSolid Polyurethane
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"
Temp Range Up to 180°F
Rig Type Swivel
Brake No Brake
Frame Zinc Plated Steel
6" x 2" Spring Loaded Swivel Caster - Polyurethane on Aluminum Wheel - 1,500...
Shop Product
2000 lbs
TieredPricing
8 Inch x 2 Inch Spring Loaded Swivel Caster - 2000 lbs Capacity | HD Polyurethane on Aluminum Wheel CasterHQ
In Stock · Same/Next Day
8" x 2" Polyurethane Aluminum Swivel Spring Loaded Caster – 2000 lb
Part # C48CS820TUA63M-EX-03
from $248.00
Volume pricing available
Solid PolyurethanePlate
Load rating
2000 lbs
Size8" x 2"
Capacity2000 lbs
WheelSolid Polyurethane
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"
Temp Range Up to 180°F
Rig Type Swivel
Brake No Brake
Frame Zinc Plated Steel
8" x 2" Spring Loaded Swivel Caster - Polyurethane on Aluminum Wheel - 2,000...
Shop Product
1500 lbs
TieredPricing
6" x 2" Spring Loaded Swivel Caster - HD Polyurethane on Aluminum Wheel - 1,500 lbs Capacity CasterHQ
In Stock · Same/Next Day
6" x 2" Polyurethane Swivel Spring Loaded Caster – 1,500 lb
Part # C48CS620TUSA63L-EX-03
from $216.00
Volume pricing available
Solid PolyurethanePlate
Load rating
1500 lbs
Size6" x 2"
Capacity1500 lbs
WheelSolid Polyurethane
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"
Temp Range Up to 180°F
Rig Type Swivel
Brake No Brake
Frame Zinc Plated Steel
6" x 2" Spring Loaded Swivel Caster - Blue Polyurethane on Aluminum Wheel -...
Shop Product
2000 lbs
TieredPricing
8" x 2" Spring Loaded Swivel Caster - HD Polyurethane on Aluminum Wheel - 2,000 lbs Capacity CasterHQ
In Stock · Same/Next Day
8" x 2" Polyurethane Swivel Spring Loaded Caster – 2,000 lb
Part # C48CS820TUSA63L-EX-03
from $248.00
Volume pricing available
Solid PolyurethanePlate
Load rating
2000 lbs
Size8" x 2"
Capacity2000 lbs
WheelSolid Polyurethane
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"
Temp Range Up to 180°F
Rig Type Swivel
Brake No Brake
Frame Zinc Plated Steel
8" x 2" Spring Loaded Swivel Caster - Blue Polyurethane on Aluminum Wheel -...
Shop Product
1500 lbs
TieredPricing
6" x 2" Spring Loaded Rigid Caster - Blue Polyurethane on Aluminum Wheel - 1,500 lbs Capacity CasterHQ
In Stock · Same/Next Day
6" x 2" Polyurethane Rigid Spring Loaded Caster – 1,500 lb
Part # C48CR620TUSA63L-EX-03
from $199.00
Volume pricing available
Solid PolyurethanePlate
Load rating
1500 lbs
Size6" x 2"
Capacity1500 lbs
WheelSolid Polyurethane
MountPlate 4" x 4-1/2"
TypeRigid
More Details Less Details
Width 2"
Height 7-1/2"
Bolt Pattern 2-5/8" x 3-5/8" slotted to 3" x 3"
Temp Range Up to 180°F
Rig Type Rigid
Brake No Brake
Frame Zinc Plated Steel
6" x 2" Spring Loaded Rigid Caster - Blue Polyurethane on Aluminum Wheel -...
Shop Product
2000 lbs
TieredPricing
8" x 2" Spring Loaded Rigid Caster - Blue Polyurethane on Aluminum Wheel - 2,000 lbs Capacity CasterHQ
In Stock · Same/Next Day
8" x 2" Polyurethane Rigid Ergonomic Spring Loaded Caster – 2,000 lb
Part # C48CR820TUSA63L-EX-03
from $216.00
Volume pricing available
Solid PolyurethanePlate
Load rating
2000 lbs
Size8" x 2"
Capacity2000 lbs
WheelSolid Polyurethane
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"
Temp Range Up to 180°F
Rig Type Rigid
Brake No Brake
Frame Zinc Plated Steel
8" x 2" Spring Loaded Rigid Caster - Blue Polyurethane on Aluminum Wheel -...
Shop Product
2000 lbs
TieredPricing
8" x 2" Spring Loaded Rigid Caster - HD Polyurethane on Aluminum Wheel - 2,000 lbs Capacity CasterHQ
In Stock · Same/Next Day
8" x 2" Polyurethane Rigid Spring Loaded Caster – 2,000 lb
Part # C48CR820TUA63M-EX-03
from $216.00
Volume pricing available
Solid PolyurethanePlate
Load rating
2000 lbs
Size8" x 2"
Capacity2000 lbs
WheelSolid Polyurethane
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"
Temp Range Up to 180°F
Rig Type Rigid
Brake No Brake
Frame Zinc Plated Steel
8" x 2" Spring Loaded Rigid Caster - Polyurethane on Aluminum Wheel - 2,000...
Shop Product
250 lbs
TieredPricing
Colson Casters Stainless 5" x 1.25" ThermoTech Teflon Top-Lock Caster with 2.5" x 3.625" Plate - SKU: 2.05456.613 H BRK1 | Durable, Heat-Resistant Caster for Industrial Use colson-header
Ships in 1-3 Business Days
Colson 2.05456.613 5" x 1.25" ThermoTech Stainless Caster – 2.5" x 3.625" Plate
Part # 2.05456.613-H-BRK1
from $233.00
Volume pricing available
Plate
Load rating
250 lbs
Size5" x 1-1/4"
Capacity250 lbs
Wheel—
MountPlate 2-1/2" x 3-5/8"
TypeSwivel with Brake · Top Lock Brake
More Details Less Details
Width 1-1/4"
Height 6-3/16"
Bolt Pattern 1-3/4" x 2-13/16"
Rig Type Swivel with Brake
Brake Top Lock Brake
Frame Stainless Steel
Colson Casters | Stainless 5" x 1.25" ThermoTech Teflon Top-Lock Caster Product Features Durable...
Shop Product

Spring loaded casters by tread

Tread Core Wheel sizes Rated per caster Listed temperature Where it fits
Polyurethane 6 and 8 in 1,500 to 2,000 lb Up to 180°F quiet, floor-friendly and long wearing
Stainless steel 5 in 250 lb washdown and corrosive areas

Ratings are for single casters of spring loaded casters, from product fields [S1].

Wheel sizes

Wheel Treads Rated
5 x 1-1/4 in stainless steel 250 lb
6 x 2 in polyurethane 1,500 lb
8 x 2 in polyurethane 2,000 lb

Choosing spring loaded casters

  1. Load: plan on three casters carrying a four-caster cart [S2]; at 2,000 lb each, a common rating here, that is about 6,000 lb, and the 2,000 lb top rating covers about 6,000 lb.
  2. Mount: most spring loaded casters use a 4 x 4-1/2 in top plate; 2-1/2 x 3-5/8 in plates are listed too; measure bolt hole centers on the old plate and compare.
  3. Floor: on spring loaded casters, polyurethane is kinder to tile and finished floors; stainless steel rolls easier under heavy loads on smooth concrete.
  4. Rig: swivel and rigid spring loaded casters are listed, with top lock brake options.

Related: industrial casters, 6 inch spring loaded casters and 8 inch spring loaded casters.

Spring loaded casters questions

How much weight can spring loaded casters carry?

Single spring loaded casters are rated 250 to 2,000 lb; most fall between 1,500 and 2,000 lb.

What top plate do spring loaded casters use?

Most spring loaded casters use 4 x 4-1/2 in. Others listed: 2-1/2 x 3-5/8 in.

What wheel material is most common on spring loaded casters?

Polyurethane leads on spring loaded casters, rated 1,500 to 2,000 lb per caster. Stainless steel is next at 250 lb.

Jordan Wilson, CasterHQ · reviewed October 20, 2026 · 844-439-4335 · info@casterhq.com

Sources

  • [S1] CasterHQ product fields (rated load, diameter, width, wheel and core material, temperature range, mount) and product descriptions for the items on this page, pulled October 20, 2026.
  • [S2] Preferred Equipment casters and wheels quick guide PDF (prefeq.com): load sizing on one less caster, wheel types and floor notes.

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