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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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Hamilton General Service GS Series Casters w/ Ergo-Glide Wheels · Up to 1,250 lb · 4"–8" · Cast Iron

Diameter: 4, 5, 6, 8 inTread: 2 inCapacity: up to 1,250 lb
This collection gathers plate-mount casters used on warehouse carts on epoxy and smooth concrete. Catalog chips cover wheel diameters 4, 5, 6, 8 in, polyurethane treads, and capacities 1,250 lb. When floors see chemicals or washdowns, prefer sealed bearings and non-absorbent wheel compounds. Harder poly rolls easier on smooth epoxy; softer poly cushions vibration on uneven slabs. These medium-duty options cover everyday warehouse carts on epoxy and smooth concrete without jumping to extreme forged series.

Shop by type

4 types

Wheel = wheel diameter · capacity is per caster.

1250 lbs
TieredPricing
S-GS-8SPB Hamilton General Service Swivel Caster | 8" x 2" Ergo-Glide Polyurethane Wheel | Precision Bearings Hamilton
Made to Order · 4-6 Wk
Hamilton S-GS-8SPB 8" x 2" Ergo-Glide Swivel Caster – 1250 lb
Part # S-GS-8SPB
from $188.00
Volume pricing available
PolyurethanePlate
Load rating
1250 lbs
Diameter 8"
Capacity 1250 lbs
Wheel Polyurethane
Mount Plate
Plate Size 4-1/2" x 6-1/4"
More Details Less Details
Width 2"
Height 9-1/2"
Bolt Pattern 2-7/16" x 4-15/16" and 3-3/8" x 5-1/4"
Core Cast Iron
Temp Range -5°F to 160°F
Rig Type Swivel
Brake No Brake
Frame Bright Zinc Plated
Hamilton S-GS-8SPB General Service Swivel Caster | 8" x 2" Ergo-Glide Wheel Hamilton S-GS-8SPB...
Shop Product
960 lbs
TieredPricing
Hamilton S-GS-6SPB Swivel Caster - 6" x 2" Ergo-Glide Polyurethane Wheel, 1/2" Precision Bearings Hamilton
Made to Order · 4-6 Wk
Hamilton S-GS-6SPB 6" x 2" Ergo-Glide Swivel Caster – 960 lb
Part # S-GS-6SPB
from $158.00
Volume pricing available
PolyurethanePlate
Load rating
960 lbs
Diameter 6"
Capacity 960 lbs
Wheel Polyurethane
Mount Plate
Plate Size 4-1/2" x 6-1/4"
More Details Less Details
Width 2"
Height 7-1/2"
Bolt Pattern 2-7/16" x 4-15/16" and 3-3/8" x 5-1/4"
Core Cast Iron
Temp Range -5°F to 160°F
Rig Type Swivel
Brake No Brake
Frame Bright Zinc Plated
S-GS-6SPB Hamilton General Service Swivel Caster with Ergo-Glide Wheel 6" x 2" Ergo-Glide Polyurethane...
Shop Product
840 lbs
TieredPricing
Hamilton S-GS-5SPB General Service Swivel Caster - 5x2" Ergo-Glide Polyurethane Wheel, Precision Bearings for Industrial Use Hamilton
Made to Order · 4-6 Wk
Hamilton S-GS-5SPB 5" x 2" Polyurethane Swivel Caster – 840 lb
Part # S-GS-5SPB
from $158.00
Volume pricing available
PolyurethanePlate
Load rating
840 lbs
Diameter 5"
Capacity 840 lbs
Wheel Polyurethane
Mount Plate
Plate Size 4-1/2" x 6-1/4"
More Details Less Details
Width 2"
Height 6-1/2"
Bolt Pattern 2-7/16" x 4-15/16" and 3-3/8" x 5-1/4"
Core Cast Iron
Temp Range -5°F to 160°F
Rig Type Swivel
Brake No Brake
Frame Bright Zinc Plated
Hamilton S-GS-5SPB General Service Swivel Caster | 5" x 2" Polyurethane Wheel Hamilton S-GS-5SPB...
Shop Product
600 lbs
TieredPricing
Hamilton S-GS-4SPB General Service Swivel Caster - 4x2 Inch Ergo-Glide Polyurethane Wheel, Precision Ball Bearings for Enhanced Mobility Hamilton
Made to Order · 4-6 Wk
Hamilton S-GS-4SPB 4" x 2" Ergo-Glide Swivel Caster – 600 lb
Part # S-GS-4SPB
from $139.00
Volume pricing available
PolyurethanePlate
Load rating
600 lbs
Diameter 4"
Capacity 600 lbs
Wheel Polyurethane
Mount Plate
Plate Size 4-1/2" x 6-1/4"
More Details Less Details
Width 2"
Height 5-5/8"
Bolt Pattern 2-7/16" x 4-15/16" and 3-3/8" x 5-1/4"
Core Cast Iron
Temp Range -5°F to 160°F
Rig Type Swivel
Brake No Brake
Frame Bright Zinc Plated
Hamilton S-GS-4SPB General Service Swivel Caster | 4" x 2" Ergo-Glide Wheel Hamilton S-GS-4SPB...
Shop Product
1250 lbs
TieredPricing
R-GS-8SPB Hamilton General Service Rigid Caster | 8" x 2" Ergo-Glide Polyurethane Wheel | Precision Bearings Hamilton
Made to Order · 4-6 Wk
Hamilton R-GS-8SPB 8" x 2" Ergo-Glide Rigid Caster – 1250 lb
Part # R-GS-8SPB
from $168.00
Volume pricing available
PolyurethanePlate
Load rating
1250 lbs
Diameter 8"
Capacity 1250 lbs
Wheel Polyurethane
Mount Plate
Plate Size 4-1/2" x 6-1/2"
More Details Less Details
Width 2"
Height 9-1/2"
Bolt Pattern 2-7/16" x 4-15/16" and 3-3/8" x 5-1/4"
Core Cast Iron
Temp Range -5°F to 160°F
Rig Type Rigid
Brake No Brake
Frame Bright Zinc Plated
Hamilton S-GS-8SPB General Service Swivel Caster | 8" x 2" Ergo-Glide Wheel Hamilton R-GS-8SPB...
Shop Product
960 lbs
TieredPricing
Hamilton R-GS-6SPB Rigid Caster - 6" x 2" Ergo-Glide Polyurethane Wheel, 1/2" Precision Bearings Hamilton
Made to Order · 4-6 Wk
Hamilton R-GS-6SPB 6" x 2" Ergo-Glide Rigid Caster – 960 lb
Part # R-GS-6SPB
from $141.00
Volume pricing available
PolyurethanePlate
Load rating
960 lbs
Diameter 6"
Capacity 960 lbs
Wheel Polyurethane
Mount Plate
Plate Size 4-1/2" x 6-1/2"
More Details Less Details
Width 2"
Height 7-1/2"
Bolt Pattern 2-7/16" x 4-15/16" and 3-3/8" x 5-1/4"
Core Cast Iron
Temp Range -5°F to 160°F
Rig Type Rigid
Brake No Brake
Frame Bright Zinc Plated
R-GS-6SPB Hamilton General Service Rigid Caster with Ergo-Glide Wheel 6" x 2" Ergo-Glide Polyurethane...
Shop Product
840 lbs
TieredPricing
Hamilton R-GS-5SPB General Service Rigid Caster - 5x2" Ergo-Glide Polyurethane Wheel, Precision Bearings for Industrial Use Hamilton
Made to Order · 4-6 Wk
Hamilton R-GS-5SPB 5" x 2" Ergo-Glide Rigid Caster – 840 lb
Part # R-GS-5SPB
from $130.00
Volume pricing available
PolyurethanePlate
Load rating
840 lbs
Diameter 5"
Capacity 840 lbs
Wheel Polyurethane
Mount Plate
Plate Size 4-1/2" x 6-1/2"
More Details Less Details
Width 2"
Height 6-1/2"
Bolt Pattern 2-7/16" x 4-15/16" and 3-3/8" x 5-1/4"
Core Cast Iron
Temp Range -5°F to 160°F
Rig Type Rigid
Brake No Brake
Frame Bright Zinc Plated
Hamilton S-GS-5SPB General Service Swivel Caster | 5" x 2" Polyurethane Wheel Hamilton R-GS-5SPB...
Shop Product
600 lbs
TieredPricing
Hamilton R-GS-4SPB General Service Rigid Caster - 4x2 Inch Ergo-Glide Polyurethane Wheel, Precision Ball Bearings for Enhanced Mobility Hamilton
Made to Order · 4-6 Wk
Hamilton R-GS-4SPB 4" x 2" Ergo-Glide Rigid Caster – 600 lb
Part # R-GS-4SPB
from $128.00
Volume pricing available
PolyurethanePlate
Load rating
600 lbs
Diameter 4"
Capacity 600 lbs
Wheel Polyurethane
Mount Plate
Plate Size 4-1/2" x 6-1/2"
More Details Less Details
Width 2"
Height 5-5/8"
Bolt Pattern 2-7/16" x 4-15/16" and 3-3/8" x 5-1/4"
Core Cast Iron
Temp Range -5°F to 160°F
Rig Type Rigid
Brake No Brake
Frame Bright Zinc Plated
Hamilton S-GS-4SPB General Service Swivel Caster | 4" x 2" Ergo-Glide Wheel Hamilton R-GS-4SPB...
Shop Product

Ergo-Glide Wheels - Series SP

Capacity Range: 560 – 2,800 lbs

Optimized for Ergonomic Efficiency

The Ergo-Glide wheel, formerly known as Poly-Soft, is designed to minimize startup and maintain push/pull force, making it ideal for ergonomic applications. Favored by employees and used internally for its balance of rollability and durability, these wheels are a top choice for operations requiring ease of movement.

Durability Meets Performance

With a heavy-duty cast iron center and high tensile strength poly, the Ergo-Glide wheel offers superior durability. It's formulated for quieter operation and greater resistance to debris, featuring a softer tread hardness of 82-85 (Shore A scale), ideal for rougher floors and noise reduction in factories.

Versatile and Ready-to-Ship

Available PRONTO with precision ball bearings, these wheels can be integrated into most forged steel and cold forged casters, providing a versatile solution for various industrial needs.

Technical Specifications

Ergo-Glide wheels boast high-grade liquid cast polyurethane composition, 82-85 Durometer hardness, impressive 570% elongation at break, and 6000-6200 psi tensile strength. Their abrasion resistance is 5-10 times that of ordinary rubber, with a temperature range of -50° to +175° F intermittently.

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