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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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FAULTLESS MEDICAL CASTERS

5" x 1-1/4" Polyolefin Casters

Plate sizes: 2-1/2 x 3-3/4Diameter: 4, 5 inTread: 1-1/4 inCapacity: up to 280 lb
Match a 2-1/2 x 3-3/4 top plate when bolting casters under light institutional and furniture-grade frames. Expect wheel diameters 4, 5 in, polyolefin treads, and capacities 230 to 280 lb. Match bolt-hole spacing or stem diameter to the frame before you standardize a fleet. Use kingpinless or heavy plate series when shock loads keep shearing kingpin races. These light-duty options cover everyday light institutional and furniture-grade frames without jumping to extreme forged series.

Shop by type

3 types

Wheel = wheel diameter · capacity is per caster.

280 lbs
TieredPricing
Hamilton S-351-E Swivel Caster, 5-Inch Ebonite Solid Rubber Wheel, 280 lbs Load Capacity, 1/2-Inch Oilless Sleeve Bearing - General Utility Caster Hamilton
Made to Order · 4-6 Wk
Hamilton S-351-E 5" x 1 1/4" Ebonite Swivel Caster – 280 lb
Part # S-351-E
from $42.00
Volume pricing available
RubberPlate
Load rating
280 lbs
Diameter 5"
Capacity 280 lbs
Wheel Rubber
Mount Plate
More Details Less Details
Width 1-1/4"
Temp Range -20°F to 180°F
Rig Type Swivel
Brake No Brake
Frame Zinc Plated Steel
Hamilton S-351-E Swivel Caster with Ebonite Rubber Wheel Smooth Mobility & Robust Support |...
Shop Product
275 lbs
TieredPricing
Hamilton S-341-A General Utility Swivel Caster, 4-inch Aqualite Polyolefin Wheel, 275 lbs Load Capacity, 1/2-inch Plain Bore - Durable & Lightweight Hamilton
Made to Order · 4-6 Wk
Hamilton S-341-A 4" Aqualite Polyolefin Swivel Caster – 275 lb
Part # S-341-A
$42.00
Volume pricing available
PolyolefinPlate
Load rating
275 lbs
Diameter 4"
Capacity 275 lbs
Wheel Polyolefin
Mount Plate
Plate Size 2-1/2" x 3-3/4"
More Details Less Details
Height 5"
Temp Range -20°F to 180°F
Rig Type Swivel
Brake No Brake
Frame Zinc Plated Steel
Hamilton S-341-A General Utility Swivel Caster: Robust & Versatile Reliable Medium-Duty Performance | Easy...
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230 lbs
TieredPricing
Hamilton S-331-A General Utility Swivel Caster, 3-Inch Aqualite® Polyolefin Wheel, 230 lbs Load Capacity, 3/8-Inch Plain Bore - Durable & Versatile Hamilton
Made to Order · 4-6 Wk
Hamilton S-331-A 3" Aqualite Polyolefin Swivel Caster – 230 lb · Model S-331-A
Part # S-331-A
$37.00
Volume pricing available
Load rating
230 lbs
Capacity 230 lbs
More Details Less Details
Height 4"
Hamilton S-331-A General Utility Swivel Caster Product Code: S-331-A | 230 lbs Load Capacity...
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260 lbs
TieredPricing
Hamilton S-303-1/2-A Swivel Caster - 260 lbs Load Capacity, 3.5 inch Aqualite Polyolefin Wheel, 1/2 inch Plain Bore - Durable General Utility Wheel Hamilton
Made to Order · 4-6 Wk
Hamilton S-303-1/2-A 3.5" Aqualite Swivel Caster – 260 lb
Part # S-303-1-2-A
$42.00
Volume pricing available
PolyolefinPlate
Load rating
260 lbs
Capacity 260 lbs
Wheel Polyolefin
Mount Plate
More Details Less Details
Height 4.8125"
Temp Range -20°F to 180°F
Rig Type Swivel
Brake No Brake
Frame Zinc Plated Steel
Hamilton S-303-1/2-A Swivel Caster - Top Utility Wheel 260 lbs Load Capacity | 3.5-inch...
Shop Product
280 lbs
TieredPricing
Hamilton R-351-E Rigid Caster, 5-Inch Ebonite Solid Rubber Wheel, 280 lbs Load Capacity, 1/2-Inch Oilless Sleeve Bearing - General Utility Caster Hamilton
Made to Order · 4-6 Wk
Hamilton R-351-E 5" x 1 1/4" Ebonite Rigid Caster – 280 lb
Part # R-351-E
from $37.00
Volume pricing available
RubberPlate
Load rating
280 lbs
Diameter 5"
Capacity 280 lbs
Wheel Rubber
Mount Plate
More Details Less Details
Width 1-1/4"
Temp Range -20°F to 180°F
Rig Type Rigid
Brake No Brake
Frame Zinc Plated Steel
Hamilton R-351-E Rigid Caster with Ebonite Rubber Wheel Smooth Mobility & Robust Support |...
Shop Product
275 lbs
TieredPricing
Hamilton R-341-A General Utility Rigid Caster, 4-inch Aqualite Polyolefin Wheel, 275 lbs Load Capacity, 1/2-inch Plain Bore - Durable & Lightweight Hamilton
Made to Order · 4-6 Wk
Hamilton R-341-A 4" Aqualite Polyolefin Rigid Caster – 275 lb
Part # R-341-A
$32.00
Volume pricing available
PolyolefinPlate
Load rating
275 lbs
Diameter 4"
Capacity 275 lbs
Wheel Polyolefin
Mount Plate
Plate Size 2-1/2" x 3-3/4"
More Details Less Details
Height 5"
Temp Range -20°F to 180°F
Rig Type Rigid
Brake No Brake
Frame Zinc Plated Steel
Hamilton R-341-A General Utility Rigid Caster: Robust & Versatile Reliable Medium-Duty Performance | Easy...
Shop Product
230 lbs
TieredPricing
Hamilton R-331-A General Utility Rigid Caster, 3-Inch Aqualite® Polyolefin Wheel, 230 lbs Load Capacity, 3/8-Inch Plain Bore - Durable & Versatile Hamilton
Made to Order · 4-6 Wk
Hamilton R-331-A 3" Aqualite Polyolefin Rigid Caster – 230 lb · Model R-331-A
Part # R-331-A
$32.00
Volume pricing available
Load rating
230 lbs
Capacity 230 lbs
More Details Less Details
Height 4"
Hamilton R-331-A General Utility Rigid Caster Product Code: R-331-A | 230 lbs Load Capacity...
Shop Product
260 lbs
TieredPricing
Hamilton R-303-1/2-A Rigid Caster - 260 lbs Load Capacity, 3.5 inch Aqualite Polyolefin Wheel, 1/2 inch Plain Bore - Durable General Utility Wheel Hamilton
Made to Order · 4-6 Wk
Hamilton R-303-1/2-A 3.5" Aqualite Rigid Caster 1/2" Bore – 260 lb
Part # R-303-1-2-A
$29.00
Volume pricing available
PolyolefinPlate
Load rating
260 lbs
Capacity 260 lbs
Wheel Polyolefin
Mount Plate
More Details Less Details
Height 4.8125"
Temp Range -20°F to 180°F
Rig Type Rigid
Brake No Brake
Frame Zinc Plated Steel
Hamilton R-303-1/2-A Rigid Caster - Top Utility Wheel 260 lbs Load Capacity | 3.5-inch...
Shop Product

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