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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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Quick Change Caster Pads
Caster Frames - Swivel & Rigid

Caster Frames - Swivel & Rigid
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Rubber Casters -

Plate sizes: 4 x 4-1/2Bolt holes: 2-5/8 x 3-5/8 slotted to 3 x 3Diameter: 4, 5, 6, 8 inTread: 2 inCapacity: up to 1,250 lb
4 x 4-1/2 inch top-plate casters for finished floors and quiet institutional carts. Catalog chips cover wheel diameters 4, 5, 6, 8 in, rubber treads, and capacities 400 to 1,250 lb. Replace worn corners in matched sets when possible so the cart tracks straight under load. Size capacity from the heaviest corner load with shock margin, and keep overall height consistent across the set.

Shop by type

3 types

Wheel = wheel diameter · capacity is per caster.

600 lbs
Sale
TieredPricing
8 Inch x 2 Inch Swivel Caster - 600 lbs Capacity | Mold-On Rubber Wheel | NSF Listed Food Safe CasterHQ
In Stock · Same/Next Day
8" x 2" Mold-On Rubber Swivel Caster – 600 lb
Part # CB-9SC8-RI
List  $41.00 USD from $36.00
Volume pricing available
RubberPlate
Load rating
600 lbs
Diameter 8"
Capacity 600 lbs
Wheel Rubber
Mount Plate
Plate Size 4" x 4-1/2"
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 Iron
Temp Range -40°F to 180°F
Rig Type Swivel
Brake No Brake
Frame Zinc Plated Steel
8" x 2" Swivel Caster | Mold-On Rubber Wheel | 600 lbs CapacityThis heavy-duty...
Shop Product
550 lbs
TieredPricing
6 Inch x 2 Inch Swivel Caster - 550 lbs Capacity | Mold-On Rubber Wheel | NSF Listed Food Safe CasterHQ
In Stock · Same/Next Day
6" x 2" Mold-On Rubber Swivel Caster – 550 lb
Part # CB-9SC6-RI
from $38.00
Volume pricing available
RubberPlate
Load rating
550 lbs
Diameter 6"
Capacity 550 lbs
Wheel Rubber
Mount Plate
Plate Size 4" x 4-1/2"
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 Iron
Temp Range -40°F to 180°F
Rig Type Swivel
Brake No Brake
Frame Zinc Plated Steel
6" x 2" Swivel Caster | Mold-On Rubber Wheel | 550 lbs CapacityThis 6-inch...
Shop Product
450 lbs
TieredPricing
5 Inch x 2 Inch Swivel Caster - 450 lbs Capacity | Mold-On Rubber Wheel Plate Mount CasterHQ
In Stock · Same/Next Day
5" x 2" Mold-On Rubber Swivel Caster – 450 lb
Part # CB-9SC5-RI
from $25.00
Volume pricing available
RubberPlate
Load rating
450 lbs
Diameter 5"
Capacity 450 lbs
Wheel Rubber
Mount Plate
Plate Size 4" x 4-1/2"
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 Iron
Temp Range -40°F to 180°F
Rig Type Swivel
Brake No Brake
Frame Zinc Plated Steel
5" x 2" Inch Swivel Caster - Mold-On Rubber Wheel - 450 Lbs Capacity...
Shop Product
600 lbs
Sale
TieredPricing
8 Inch x 2 Inch Rigid Caster - 600 lbs Capacity | Mold-On Rubber Wheel Heavy Duty CasterHQ
In Stock · Same/Next Day
8" x 2" Mold-On Rubber Rigid Caster – 600 lb
Part # CB-9RC8-RI
List  $40.00 USD from $32.00
Volume pricing available
RubberPlate
Load rating
600 lbs
Diameter 8"
Capacity 600 lbs
Wheel Rubber
Mount Plate
Plate Size 4" x 4-1/2"
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 Iron
Temp Range -40°F to 180°F
Rig Type Rigid
Brake No Brake
Frame Zinc Plated Steel
Our Medium Duty '9' Series is one of the most recognized and commonly used...
Shop Product
400 lbs
TieredPricing
4 Inch x 2 Inch Swivel Caster - 400 lbs Capacity | Mold-On Rubber Wheel Plate Mount CasterHQ
In Stock · Same/Next Day
4" x 2" Mold-On Rubber Swivel Caster – 400 lb
Part # CB-9SC4-RI
from $24.00
Volume pricing available
RubberPlate
Load rating
400 lbs
Diameter 4"
Capacity 400 lbs
Wheel Rubber
Mount Plate
Plate Size 4" x 4-1/2"
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 Iron
Temp Range -50°F to 250°F
Rig Type Swivel
Brake No Brake
Frame Zinc Plated Steel
4" x 2" Inch Swivel Caster - Mold-On Rubber Wheel - 400 Lbs Capacity...
Shop Product
550 lbs
TieredPricing
6" x 2" Inch Rigid Caster - Mold-On Rubber Wheel - 550 Lbs Capacity CasterHQ
In Stock · Same/Next Day
6" x 2" Mold-On Rubber Rigid Caster – 550 lb
Part # CB-9RC6-RI
from $32.00
Volume pricing available
RubberPlate
Load rating
550 lbs
Diameter 6"
Capacity 550 lbs
Wheel Rubber
Mount Plate
Plate Size 4" x 4-1/2"
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 Iron
Temp Range -40°F to 180°F
Rig Type Rigid
Brake No Brake
Frame Zinc Plated Steel
6" x 2" Inch Rigid Caster - Mold-On Rubber Wheel - 550 Lbs CapacityOur...
Shop Product
400 lbs
TieredPricing
5" x 2" Inch Rigid Caster - Mold-On Rubber Wheel - 400 Lbs Capacity CasterHQ
In Stock · Same/Next Day
5" x 2" Mold-On Rubber Rigid Caster – 400 lb
Part # CB-9RC5-RI
from $23.00
Volume pricing available
RubberPlate
Load rating
400 lbs
Diameter 5"
Capacity 400 lbs
Wheel Rubber
Mount Plate
Plate Size 4" x 4-1/2"
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 Iron
Temp Range -40°F to 180°F
Rig Type Rigid
Brake No Brake
Frame Zinc Plated Steel
5" x 2" Inch Rigid Caster - Mold-On Rubber Wheel - 400 Lbs Capacity...
Shop Product
400 lbs
TieredPricing
4" x 2" Inch Rigid Caster - Mold-On Rubber Wheel - 400 Lbs Capacity CasterHQ
In Stock · Same/Next Day
4" x 2" Mold-On Rubber Rigid Caster 4" x 4-1/2" Plate – 400 lb
Part # CB-9RC4-RI
from $23.00
Volume pricing available
RubberPlate
Load rating
400 lbs
Diameter 4"
Capacity 400 lbs
Wheel Rubber
Mount Plate
Plate Size 4" x 4-1/2"
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 Iron
Temp Range -50°F to 250°F
Rig Type Rigid
Brake No Brake
Frame Zinc Plated Steel
4" x 2" Inch Rigid Caster - Mold-On Rubber Wheel - 400 Lbs CapacityOur...
Shop Product
500 lbs
TieredPricing
Hamilton S-MS-8R Medium Service Swivel Caster - 8" x 2" Mold-On Rubber Wheel, 3/4" Roller Bearing Hamilton
Made to Order · 4-6 Wk
Hamilton S-MS-8R 8" x 2" Mold-On Rubber Swivel Caster – 500 lb
Part # S-MS-8R
from $112.00
Volume pricing available
RubberPlate
Load rating
500 lbs
Diameter 8"
Capacity 500 lbs
Wheel Rubber
Mount Plate
Plate Size 5" x 5-1/2"
More Details Less Details
Width 2"
Height 9-1/2"
Bolt Pattern 4" x 4" and 4-1/8" x 4-1/2"
Core Cast Iron
Temp Range -20°F to 180°F
Rig Type Swivel
Brake No Brake
Frame Zinc Plated Steel
S-MS-8R Hamilton Medium Service Swivel Caster with Mold-On Rubber Wheel 8" x 2" Mold-On...
Shop Product
410 lbs
TieredPricing
Hamilton S-MS-6R Medium Service Swivel Caster - 6x2 Inch Mold-On Rubber on Cast Iron Wheel with Roller Bearings Hamilton
Made to Order · 4-6 Wk
Hamilton S-MS-6R 6" x 2" Mold-On Rubber Swivel Caster – 410 lb
Part # S-MS-6R
from $103.00
Volume pricing available
RubberPlate
Load rating
410 lbs
Diameter 6"
Capacity 410 lbs
Wheel Rubber
Mount Plate
Plate Size 5" x 5-1/2"
More Details Less Details
Width 2"
Height 7-1/2"
Bolt Pattern 4" x 4" and 4-1/8" x 4-1/2"
Core Cast Iron
Temp Range -20°F to 180°F
Rig Type Swivel
Brake No Brake
Frame Zinc Plated Steel
Hamilton S-MS-6R Medium Service Swivel Caster | 6" x 2" Rubber on Cast Iron...
Shop Product
350 lbs
TieredPricing
Hamilton S-MS-5R Medium Service Swivel Caster - 5x2 Inch Mold-On Rubber Wheel, Cast Iron Core, 3/4" Roller Bearing for Smooth Operation Hamilton
Made to Order · 4-6 Wk
Hamilton S-MS-5R 5" x 2" Mold-On Rubber Swivel Caster – 350 lb
Part # S-MS-5R
from $114.00
Volume pricing available
RubberPlate
Load rating
350 lbs
Diameter 5"
Capacity 350 lbs
Wheel Rubber
Mount Plate
Plate Size 5" x 5-1/2"
More Details Less Details
Width 2"
Height 6-1/2"
Bolt Pattern 4" x 4" and 4-1/8" x 4-1/2"
Core Cast Iron
Temp Range -20°F to 180°F
Rig Type Swivel
Brake No Brake
Frame Zinc Plated Steel
Hamilton S-MS-5R Swivel Caster | 5" Mold-On Rubber Wheel for Enhanced Mobility Hamilton S-MS-5R...
Shop Product
500 lbs
TieredPricing
Hamilton R-MS-8R Medium Service Rigid Caster - 8" x 2" Mold-On Rubber Wheel, 3/4" Roller Bearing Hamilton
Made to Order · 4-6 Wk
Hamilton R-MS-8R 8" x 2" Mold-On Rubber Rigid Caster – 500 lb
Part # R-MS-8R
from $98.00
Volume pricing available
RubberPlate
Load rating
500 lbs
Diameter 8"
Capacity 500 lbs
Wheel Rubber
Mount Plate
Plate Size 5" x 5-1/2"
More Details Less Details
Width 2"
Height 9-1/2"
Bolt Pattern 4" x 4" and 4-1/8" x 4-1/2"
Core Cast Iron
Temp Range -20°F to 180°F
Rig Type Rigid
Brake No Brake
Frame Zinc Plated Steel
R-MS-8R Hamilton Medium Service Rigid Caster with Mold-On Rubber Wheel 8" x 2" Mold-On...
Shop Product
410 lbs
TieredPricing
Hamilton R-MS-6R Medium Service Rigid Caster - 6x2 Inch Mold-On Rubber on Cast Iron Wheel with Roller Bearings Hamilton
Made to Order · 4-6 Wk
Hamilton R-MS-6R 6" x 2" Mold-On Rubber Rigid Caster – 3/4" Roller Bearing
Part # R-MS-6R
from $92.00
Volume pricing available
RubberPlate
Load rating
410 lbs
Diameter 6"
Capacity 410 lbs
Wheel Rubber
Mount Plate
Plate Size 5" x 5-1/2"
More Details Less Details
Width 2"
Height 7-1/2"
Bolt Pattern 4" x 4" and 4-1/8" x 4-1/2"
Core Cast Iron
Temp Range -20°F to 180°F
Rig Type Rigid
Brake No Brake
Frame Zinc Plated Steel
Hamilton S-MS-6R Medium Service Swivel Caster | 6" x 2" Rubber on Cast Iron...
Shop Product
350 lbs
TieredPricing
Hamilton R-MS-5R Medium Service Rigid Caster - 5x2 Inch Mold-On Rubber Wheel, Cast Iron Core, 3/4" Roller Bearing for Smooth Operation Hamilton
Made to Order · 4-6 Wk
Hamilton R-MS-5R 5" x 2" Mold-On Rubber Rigid Caster – 350 lb
Part # R-MS-5R
from $94.00
Volume pricing available
RubberPlate
Load rating
350 lbs
Diameter 5"
Capacity 350 lbs
Wheel Rubber
Mount Plate
Plate Size 5" x 5-1/2"
More Details Less Details
Width 2"
Height 6-1/2"
Bolt Pattern 4" x 4" and 4-1/8" x 4-1/2"
Core Cast Iron
Temp Range -20°F to 180°F
Rig Type Rigid
Brake No Brake
Frame Zinc Plated Steel
Hamilton S-MS-5R Swivel Caster | 5" Mold-On Rubber Wheel for Enhanced Mobility Hamilton R-MS-5R...
Shop Product

Series R Moldon Rubber-Tired Wheels: Durable Industrial Solutions

Capacity Range 200 – 3,020 lbs | Rugged & Long-Wearing Design

Moldon Rubber-Tired Wheels: Built for Performance

Experience the durability of solid cushion rubber tires permanently molded onto iron wheel centers. Ideal for industrial equipment, these wheels offer exceptional longevity and wear resistance. With a 1" thickness and 70 Durometer hardness, they're designed to handle heavy-duty tasks effortlessly.

Technical Specifications and Features

Series R wheels come standard with anti-friction bearings for smooth operation. Available in a range of sizes, with pressure lubrication fittings in most hubs. Their operating temperature range of -70° to 160° F ensures reliable performance in extreme conditions.

Advanced Design for Enhanced Load Support

The 5" wide options, including sizes from 12" x 5" to 20" x 5", feature husky spokes and large hubs, specifically engineered to support larger loads efficiently. This design assures stability and durability for your most demanding industrial applications.

Note: For more detailed information or specific inquiries, our expert team is available to assist you with top-notch guidance and support.

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