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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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Kingpinless - ZFSEC2 Capacity up to 6000 lbs C

Diameter: 9, 10 inTread: 5 inCapacity: up to 6,000 lb
Kingpinless - ZFSEC2 Capacity up for heavy industrial carts that tear up kingpin races. Expect wheel diameters 9, 10 in, polyurethane and rubber treads, and capacities 4,300 to 6,000 lb. When floors see chemicals or washdowns, prefer sealed bearings and non-absorbent wheel compounds. Pair swivel and rigid casters for tracking, or use total locks where the cart must park on a grade.

Shop by wheel material

3 types

Rubber and polyurethane favor floor protection; phenolic and steel favor heavy capacity. Compare materials →

6000 lbs
TieredPricing
Hamilton Spinfinity S-ZFSEC2-95POYB-ULTRA Dual Swivel Caster - 9"x5" Natural Polyurethane Wheel with Precision Ball Bearings - Industrial Strength & Agility Hamilton
Made to Order · 4-6 Wk
Hamilton S-ZFSEC2-95POYB-ULTRA 9"x5" Poly Dual Swivel Caster – 6000 lb
Part # S-ZFSEC2-95POYB-ULTRA
$3,435.00
Volume pricing available
PolyurethanePlate
Load rating
6000 lbs
Diameter 9"
Capacity 6000 lbs
Wheel Polyurethane
Mount Plate
More Details Less Details
Width 5"
Temp Range -20°F to 180°F
Rig Type Swivel
Brake No Brake
Frame Zinc Plated Steel
Hamilton Spinfinity S-ZFSEC2-95POYB-ULTRA: The Ultimate in Caster Engineering Discover the precision and efficiency of...
Shop Product
4300 lbs
TieredPricing
Hamilton Spinfinity 9x5 Black Rubber Wheel Caster - 4300 lbs Load Capacity - Dual Swivel with 1 1/4" Sealed Ball Bearings - Super Endurance S-ZFSEC2-95PORB Hamilton
Made to Order · 4-6 Wk
Hamilton S-ZFSEC2-95PORB 9" x 5" Rubber Dual Swivel Caster – 4300 lb
Part # S-ZFSEC2-95PORB
$3,074.00
Volume pricing available
RubberPlate
Load rating
4300 lbs
Diameter 9"
Capacity 4300 lbs
Wheel Rubber
Mount Plate
More Details Less Details
Width 5"
Height 12.375"
Temp Range -20°F to 180°F
Rig Type Swivel
Brake No Brake
Frame Zinc Plated Steel
Hamilton Spinfinity 9x5 Black Rubber Wheel Caster Hamilton Spinfinity 9x5 Black Rubber Wheel Caster...
Shop Product
6000 lbs
TieredPricing
Hamilton Spinfinity 10" Dual Swivel Caster - Natural Polyurethane Wheel with Precision Ball Bearings Hamilton
Made to Order · 4-6 Wk
Hamilton S-ZFSEC2-105POYB-ULTRA 10" x 5" Polyurethane Dual Wheel Caster – 6000 lb
Part # S-ZFSEC2-105POYB-ULTRA
$4,074.00
Volume pricing available
PolyurethanePlate
Load rating
6000 lbs
Diameter 10"
Capacity 6000 lbs
Wheel Polyurethane
Mount Plate
More Details Less Details
Width 5"
Temp Range -20°F to 180°F
Rig Type Swivel
Brake No Brake
Frame Zinc Plated Steel
Hamilton Spinfinity Super Endurance Dual Swivel Caster | 10" Polyurethane Wheel Hamilton Spinfinity Super...
Shop Product
6000 lbs
TieredPricing
Hamilton Spinfinity 10"x5" Dual Swivel Caster | S-ZFSEC2-105POYB | Red Polyurethane Wheel & 1 1/4" Sealed Bearings Hamilton
Made to Order · 4-6 Wk
Hamilton S-ZFSEC2-105POYB 10"x5" Polyurethane Dual Wheel Caster – 6000 lb
Part # S-ZFSEC2-105POYB
$3,681.00
Volume pricing available
PolyurethanePlate
Load rating
6000 lbs
Diameter 10"
Capacity 6000 lbs
Wheel Polyurethane
Mount Plate
More Details Less Details
Width 5"
Temp Range -20°F to 180°F
Rig Type Swivel
Brake No Brake
Frame Zinc Plated Steel
Hamilton Spinfinity Dual Swivel Caster with Red Polyurethane Wheel Hamilton Spinfinity Super Endurance Dual...
Shop Product
6000 lbs
TieredPricing
Hamilton Spinfinity S-ZFSEC2-105PORB Dual Swivel Caster - 10"x5" Black Rubber Wheel with 1 1/4" Sealed Precision Bearings for E-commerce Warehouse Hamilton
Made to Order · 4-6 Wk
Hamilton S-ZFSEC2-105PORB 10"x5" Black Rubber Dual Swivel Caster – 6000 lb
Part # S-ZFSEC2-105PORB
$4,527.00
Volume pricing available
RubberPlate
Load rating
6000 lbs
Diameter 10"
Capacity 6000 lbs
Wheel Rubber
Mount Plate
More Details Less Details
Width 5"
Temp Range -20°F to 180°F
Rig Type Swivel
Brake No Brake
Frame Zinc Plated Steel
Hamilton Spinfinity S-ZFSEC2-105PORB: The Ultimate Mobility Solution Superior Design & Functionality The Hamilton Spinfinity...
Shop Product
6000 lbs
TieredPricing
Hamilton Spinfinity R-ZFSEC2-95POYB-ULTRA Dual Rigid Caster - 9"x5" Natural Polyurethane Wheel with Precision Ball Bearings - Industrial Strength & Agility Hamilton
Made to Order · 4-6 Wk
Hamilton R-ZFSEC2-95POYB-ULTRA 9"x5" Poly Dual Rigid Caster – 6000 lb
Part # R-ZFSEC2-95POYB-ULTRA
$3,081.00
Volume pricing available
PolyurethanePlate
Load rating
6000 lbs
Diameter 9"
Capacity 6000 lbs
Wheel Polyurethane
Mount Plate
More Details Less Details
Width 5"
Temp Range -20°F to 180°F
Rig Type Rigid
Brake No Brake
Frame Zinc Plated Steel
Hamilton Spinfinity R-ZFSEC2-95POYB-ULTRA: The Ultimate in Caster Engineering Discover the precision and efficiency of...
Shop Product
6000 lbs
TieredPricing
Hamilton 6000 lbs Load Capacity Spinfinity Dual Rigid Caster - 9"x5" Red Polyurethane (85A) Wheel with 1 1/4" Precision Ball Bearings Hamilton
Made to Order · 4-6 Wk
Hamilton 9"x5" Polyurethane Dual Rigid Caster – 6000 lb
Part # R-ZFSEC2-95POYB
$2,595.00
Volume pricing available
PolyurethanePlate
Load rating
6000 lbs
Diameter 9"
Capacity 6000 lbs
Wheel Polyurethane
Mount Plate
More Details Less Details
Width 5"
Height 12.375"
Temp Range -20°F to 180°F
Rig Type Rigid
Brake No Brake
Frame Zinc Plated Steel
Hamilton Spinfinity Dual Swivel Caster Hamilton Spinfinity Dual Rigid Caster: Built for Endurance Key...
Shop Product
4300 lbs
TieredPricing
Hamilton Spinfinity 9x5 Black Rubber Wheel Caster - 4300 lbs Load Capacity - Dual Rigid with 1 1/4" Sealed Ball Bearings - Super Endurance R-ZFSEC2-95PORB Hamilton
Made to Order · 4-6 Wk
Hamilton R-ZFSEC2-95PORB 9"x5" Rubber Rigid Dual Caster – 4300 lb
Part # R-ZFSEC2-95PORB
$2,527.00
Volume pricing available
RubberPlate
Load rating
4300 lbs
Diameter 9"
Capacity 4300 lbs
Wheel Rubber
Mount Plate
More Details Less Details
Width 5"
Height 12.375"
Temp Range -20°F to 180°F
Rig Type Rigid
Brake No Brake
Frame Zinc Plated Steel
Hamilton Spinfinity 9x5 Black Rubber Wheel Caster Hamilton Spinfinity 9x5 Black Rubber Wheel Caster...
Shop Product
TieredPricing
Hamilton Spinfinity 10" Dual Rigid Caster - Natural Polyurethane Wheel with Precision Ball Bearings Hamilton
Made to Order · 4-6 Wk
Hamilton Spinfinity 10" Dual Rigid Caster - Natural Polyurethane Wheel with Precision Ball Bearings
Part # R-ZFSEC2-105POYB-ULTRA
$3,709.00
Volume pricing available
PolyurethanePlate
Diameter 10"
Wheel Polyurethane
Mount Plate
More Details Less Details
Width 5"
Temp Range -20°F to 180°F
Rig Type Rigid
Brake No Brake
Frame Zinc Plated Steel
Hamilton Spinfinity Super Endurance Dual Swivel Caster | 10" Polyurethane Wheel Hamilton Spinfinity Super...
Shop Product
TieredPricing
Hamilton Spinfinity 10"x5" Dual Rigid Caster | R-ZFSEC2-105POYB | Red Polyurethane Wheel & 1 1/4" Sealed Bearings Hamilton
Made to Order · 4-6 Wk
Hamilton R-ZFSEC2-105POYB 10"x5" Polyurethane Dual Rigid Caster
Part # R-ZFSEC2-105POYB
$3,691.00
Volume pricing available
PolyurethanePlate
Diameter 10"
Wheel Polyurethane
Mount Plate
More Details Less Details
Width 5"
Temp Range -20°F to 180°F
Rig Type Rigid
Brake No Brake
Frame Zinc Plated Steel
Hamilton Spinfinity Dual Swivel Caster with Red Polyurethane Wheel Hamilton Spinfinity Super Endurance Dual...
Shop Product
6000 lbs
TieredPricing
Hamilton Spinfinity R-ZFSEC2-105PORB Dual Rigid Caster - 10"x5" Black Rubber Wheel with 1 1/4" Sealed Precision Bearings for E-commerce Warehouse Hamilton
Made to Order · 4-6 Wk
Hamilton R-ZFSEC2-105PORB 10"x5" Black Rubber Dual Rigid Caster – 6000 lb
Part # R-ZFSEC2-105PORB
$3,694.00
Volume pricing available
RubberPlate
Load rating
6000 lbs
Diameter 10"
Capacity 6000 lbs
Wheel Rubber
Mount Plate
More Details Less Details
Width 5"
Temp Range -20°F to 180°F
Rig Type Rigid
Brake No Brake
Frame Zinc Plated Steel
Hamilton Spinfinity R-ZFSEC2-105PORB: The Ultimate Mobility Solution Superior Design & Functionality The Hamilton Spinfinity...
Shop Product

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