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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

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18" x 9" Polyurethane Casters — Kingpinless Hamilton · 15,600 lb

2 options in this exact size and spec. See all Caster Wheels › or call 844-439-4335 for a cross-reference.

15600 lbs
TieredPricing
Hamilton Spinfinity Maxi-Duty Swivel Caster with 18" x 9" Natural Polyurethane (93A Ester) Presson Wheel with 2" Sealed Precision Ball Bearings MSRP Hamilton
Made to Order · 4-6 Wk
Made in USA
Hamilton ZFMD-1890POYB-ULTRA 18" x 9" Poly Swivel Kingpinless Caster – 15600 lb
Part # S-ZFMD-1890POYB-ULTRA
from $8,095.00
Volume pricing available
PolyurethanePlate
Load rating
15600 lbs
Diameter 18"
Capacity 15600 lbs
Wheel Polyurethane
Mount Plate
More Details Less Details
Width 9"
Temp Range -20°F to 180°F
Rig Type Swivel
Brake No Brake
Frame Zinc Plated Steel
Hamilton Spinfinity Maxi-Duty Swivel Caster with 18" x 9" Natural Polyurethane (93A Ester) Presson...
Shop Product
15600 lbs
TieredPricing
Hamilton Spinfinity Maxi-Duty Rigid Caster with 18" x 9" Natural Polyurethane (93A Ester) Presson Wheel with 2" Sealed Precision Ball Bearings MSRP Hamilton
Made to Order · 4-6 Wk
Made in USA
Hamilton 18" x 9" Polyurethane Rigid Kingpinless Caster – 15600 lb
Part # R-ZFMD-1890POYB-ULTRA
$7,201.00
Volume pricing available
PolyurethanePlate
Load rating
15600 lbs
Diameter 18"
Capacity 15600 lbs
Wheel Polyurethane
Mount Plate
More Details Less Details
Width 9"
Temp Range -20°F to 180°F
Rig Type Rigid
Brake No Brake
Frame Zinc Plated Steel
Hamilton Spinfinity Maxi-Duty Rigid Caster with 18" x 9" Natural Polyurethane (93A Ester) Presson...
Shop Product

18" TerraTech Ultra Wheels

Featuring one caster within the 18" range. Choose the 18" x 9" TerraTech Black Rubber wheels for your Caster needs.

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