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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
Plate Casters
Plate Casters
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Stem Casters
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Stainless Casters
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Ergonomic Casters
Leveling Casters
Leveling Casters
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Caster Wheel Materials & Selection Guide

Caster Wheel Materials & Selection Guide
Polyolefin Wheels

Polyolefin Wheels
High Temperature Wheels

High Temperature Wheels
Track Wheels (All Types)

Track Wheels (All Types)
Hand Truck Wheels

Hand Truck Wheels
Rubber Wheels (All Types)

Rubber Wheels (All Types)
Nylon Wheels

Nylon Wheels
Keyed Drive Wheels

Keyed Drive Wheels
Pneumatic Wheels

Pneumatic Wheels
Atx Off-road Wheels

Atx Off-road Wheels
Poly Wheels (All Types)

Poly Wheels (All Types)
Phenolic Wheels

Phenolic Wheels
Metal Wheels (All Types)

Metal Wheels (All Types)
Flat-free (Foam-filled)

Flat-free (Foam-filled)
Wheel Replacement Parts

Wheel Replacement Parts
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Caster Plate Mounting Hardware

Caster Plate Mounting Hardware
Quick Change Caster Pads

Quick Change Caster Pads
Caster Frames - Swivel & Rigid

Caster Frames - Swivel & Rigid
Sockets & T-nuts For Casters

Sockets & T-nuts For Casters
Washers

Washers
Expanding Rubber Adapter Kits

Expanding Rubber Adapter Kits
Bumpers

Bumpers
Axles & Nuts

Axles & Nuts
Spanner Bushings

Spanner Bushings
Caster Shims & Weld Plates

Caster Shims & Weld Plates
Furniture Glides

Furniture Glides
Floor Truck Locks

Floor Truck Locks
Swivel Locks

Swivel Locks
Wheel Bearings

Wheel Bearings
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Miscellaneous Parts

Plate sizes: 2-3/8 x 3-5/8, 4 x 4-1/2Bolt holes: 1-3/4 x 2-7/8 slotted to 3; 2-5/8 x 3-5/8Diameter: 1 to 9-3/4 inTread: 3-5/8, 4-1/2, 4-5/8 inStem: grip ring
2-3/8 x 3-5/8 inch top-plate casters for finished floors and quiet institutional carts. Catalog chips cover wheel diameters 1 to 9-3/4 in and rubber and steel treads. Pair swivel and rigid casters for tracking, or use total locks where the cart must park on a grade. When floors see chemicals or washdowns, prefer sealed bearings and non-absorbent wheel compounds. These medium-duty options cover everyday finished floors and quiet institutional carts without jumping to extreme forged series.

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5 types

Wheel = wheel diameter · capacity is per caster.

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Durastar Weld-On Caster Pad Kit for 2-3/8" x 3-5/8" Top Plate Durastar
Ships in 1-3 Business Days
2-3/8" x 3-5/8" Steel Weld-On Caster Pad Kit for Top Plate
Part # DCP-01-KIT
$11.00
Volume pricing available
Plate
Diameter 2-3/8"
Mount Plate
Plate Size 2-3/8" x 3-5/8"
More Details Less Details
Width 3-5/8"
Bolt Pattern 1-3/4" x 2-7/8" slotted to 1-3/4" x 3"
Frame Zinc Plated Steel
Durastar Weld-On Caster Pad Kit | Compatible with 2-3/8" x 3-5/8" Top Plate Casters...
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Durastar 1-1/2" ID Rubber Expandable Adapter Durastar
Ships in 1-3 Business Days
1-1/2" Rubber Expandable Adapter 1.426"-1.589" Range
Part # EA-96
$9.00
Volume pricing available
Rubber
Wheel Rubber
Durastar 1-1/2" ID Rubber Expandable Adapter | 1.426 - 1.589 Expansion Range Key Product...
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Durastar 7/8" ID Rubber Expandable Adapter Durastar
Ships in 1-3 Business Days
7/8" Rubber Expandable Adapter 0.852"-0.927" Expansion Range
Part # EA-91
$9.00
Volume pricing available
Rubber
Wheel Rubber
Durastar 7/8" ID Rubber Expandable Adapter | 0.852 - 0.927 Expansion Range Key Product...
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Durastar 1-1/4" ID Rubber Expandable Adapter Durastar
Ships in 1-3 Business Days
1-1/4" ID Rubber Expandable Adapter 1.141"-1.359" Range
Part # EA-94
$9.00
Volume pricing available
Rubber
Wheel Rubber
Durastar 1-1/4" ID Rubber Expandable Adapter | 1.141 - 1.359 Expansion Range Key Product...
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Durastar Bolt-On Caster Pad Kit for 4" x 4-1/2" Top Plate Durastar
Ships in 1-3 Business Days
4" x 4-1/2" Steel Bolt-On Caster Pad Kit for Top Plate
Part # DCP-03-KIT
$14.00
Volume pricing available
Plate
Diameter 4"
Mount Plate
Plate Size 4" x 4-1/2"
More Details Less Details
Width 4-1/2"
Bolt Pattern 2-5/8" x 3-5/8" slotted to 3" x 3"
Frame Zinc Plated Steel
Durastar Bolt-On Caster Pad Kit for 4" x 4-1/2" Top Plate Key Product Features...
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Durastar Non-marking, Steel Reinforced Corner Bumper Durastar
Ships in 1-3 Business Days
3" Steel Reinforced Non-Marking Corner Bumper 1" Thick
Part # CB-L31
$12.00
Volume pricing available
Gray RubberPlate
Wheel Gray Rubber
Mount Plate
Durastar Non-Marking, Steel Reinforced Corner Bumper – Heavy-Duty Protection Key Product Features Non-Marking Protection:...
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Durastar 1/2" ID x 5-1/2" OD Steel Thread Guard Durastar
Ships in 1-3 Business Days
1/2" ID x 5-1/2" OD Steel Thread Guard for 5-1/2" Wheels
Part # TG-8
$6.00
Volume pricing available
Full specifications — view product
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Durastar 1/2" ID x 3-1/2" OD Steel Thread Guard Durastar
Ships in 1-3 Business Days
1/2" ID x 3-1/2" OD Steel Thread Guard for Caster Wheels
Part # TG-6
$5.00
Volume pricing available
Full specifications — view product
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Durastar 1/2" ID x 3" OD Steel Thread Guard Durastar
Ships in 1-3 Business Days
1/2" ID x 3" OD Steel Thread Guard for Caster Wheels
Part # TG-5
$5.00
Volume pricing available
Full specifications — view product
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Durastar 1/2" ID x 2-3/4" OD Steel Thread Guard Durastar
Ships in 1-3 Business Days
1/2" ID x 2-3/4" OD Steel Thread Guard for Caster Axles
Part # TG-4
$4.00
Volume pricing available
Full specifications — view product
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Durastar Upper Raceway Seal for 30 Series Durastar
Ships in 1-3 Business Days
Upper Raceway Seal for 30 Series Casters Industrial-Grade
Part # SU-30
$7.00
Volume pricing available
Full specifications — view product
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Durastar Lower Raceway Seal for 30 Series Durastar
Ships in 1-3 Business Days
Rubber Lower Raceway Seal Fits 30 Series Swivel Casters
Part # SL-30
$7.00
Volume pricing available
Rubber
Wheel Rubber
More Details Less Details
Rig Type Swivel
Brake No Brake
Frame Zinc Plated Steel
Durastar Lower Raceway Seal for 30 Series Casters Key Product Features Precision Fit: Designed...
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Durastar 9-3/4" Extended Height x 8-1/2" Retracted Height Floor Lock Durastar
Ships in 1-3 Business Days
9-3/4" x 8-1/2" Floor Lock 4" x 4-1/2" Top Plate Industrial
Part # FL-800-J
$56.00
Volume pricing available
Plate
Mount Plate
Plate Size 4" x 4-1/2"
More Details Less Details
Bolt Pattern 2-5/8" x 3-5/8"
Durastar Floor Lock | 9-3/4" Extended Height x 8-1/2" Retracted Height | 4" x...
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Durastar 9-5/8" Extended Height x 8-5/8" Retracted Height Floor Lock Durastar
Ships in 1-3 Business Days
9-5/8" Extended Height Floor Lock 4" x 4-1/2" Top Plate
Part # FL-800-A
$53.00
Volume pricing available
Plate
Mount Plate
Plate Size 4" x 4-1/2"
More Details Less Details
Bolt Pattern 2-5/8" x 3-5/8"
Durastar Floor Lock | 9-5/8" Extended Height, 8-5/8" Retracted Height | 4" x 4-1/2"...
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Durastar 7-3/4" Extended Height x 6-1/2" Retracted Height Floor Lock Durastar
Ships in 1-3 Business Days
7-3/4" x 6-1/2" Floor Lock 4" x 4-1/2" Top Plate Steel
Part # FL-600-J
$53.00
Volume pricing available
Plate
Mount Plate
Plate Size 4" x 4-1/2"
More Details Less Details
Bolt Pattern 2-5/8" x 3-5/8"
Durastar Floor Lock | 7-3/4" Extended Height, 6-1/2" Retracted Height | 4" x 4-1/2"...
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Durastar 7-5/8" Extended Height x 6-5/8" Retracted Height Floor Lock Durastar
Ships in 1-3 Business Days
7-5/8" Steel Floor Lock 4" x 4-1/2" Top Plate
Part # FL-600-A
$50.00
Volume pricing available
Gray RubberPlate
Wheel Gray Rubber
Mount Plate
Plate Size 4" x 4-1/2"
More Details Less Details
Bolt Pattern 2-5/8" x 3-5/8"
Durastar Floor Lock – 7-5/8" Extended Height x 6-5/8" Retracted Height | 4" x...
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Durastar 6-3/4" Extended Height x 5-1/2" Retracted Height Floor Lock Durastar
Ships in 1-3 Business Days
6-3/4" x 5-1/2" Floor Lock 4" x 4-1/2" Top Plate
Part # FL-500-J
$50.00
Volume pricing available
RubberPlate
Wheel Rubber
Mount Plate
Plate Size 4" x 4-1/2"
More Details Less Details
Bolt Pattern 2-5/8" x 3-5/8"
Durastar Floor Lock | 6-3/4" Extended Height x 5-1/2" Retracted Height with 4" x...
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Durastar 6-5/8" Extended Height x 5-5/8" Retracted Height Floor Lock Durastar
Ships in 1-3 Business Days
6-5/8" x 5-5/8" Floor Lock 4" x 4-1/2" Top Plate
Part # FL-500-A
$47.00
Volume pricing available
RubberPlate
Wheel Rubber
Mount Plate
Plate Size 4" x 4-1/2"
More Details Less Details
Bolt Pattern 2-5/8" x 3-5/8"
Durastar Floor Lock | 6-5/8" Extended Height, 5-5/8" Retracted Height – 4" x 4-1/2"...
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Durastar 5-7/8" Extended Height x 4-5/8" Retracted Height Floor Lock Durastar
Ships in 1-3 Business Days
5-7/8" x 4-5/8" Floor Lock 4" x 4-1/2" Top Plate for 5" & 6" Casters
Part # FL-400-J
$46.00
Volume pricing available
Plate
Mount Plate
Plate Size 4" x 4-1/2"
More Details Less Details
Bolt Pattern 2-5/8" x 3-5/8"
Frame Zinc Plated Steel
Durastar Floor Lock | 5-7/8" Extended Height x 4-5/8" Retracted Height | 4" x...
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Durastar 5-3/4" Extended Height x 5-1/16" Retracted Height Floor Lock Durastar
Ships in 1-3 Business Days
5-3/4" Steel Floor Lock 4" x 4-1/2" Top Plate 5-1/16" Retracted
Part # FL-400-A
$42.00
Volume pricing available
Plate
Mount Plate
Plate Size 4" x 4-1/2"
More Details Less Details
Bolt Pattern 2-5/8" x 3-5/8"
Durastar Floor Lock | 5-3/4" Extended Height x 5-1/16" Retracted Height | 4" x...
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Durastar 1-7/8" ID Rubber Expandable Adapter Durastar
Ships in 1-3 Business Days
1-7/8" Rubber Expandable Adapter 1.790"-1.850" Range
Part # EA-97
$9.00
Volume pricing available
Rubber
Wheel Rubber
Durastar 1-7/8" ID Rubber Expandable Adapter | 1.790 - 1.850 Expansion Range Key Product...
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Durastar 1-3/8" ID Rubber Expandable Adapter Durastar
Ships in 1-3 Business Days
1-3/8" Rubber Expandable Adapter 1.360"-1.425" Range for Caster
Part # EA-95
$9.00
Volume pricing available
Rubber
Wheel Rubber
More Details Less Details
Frame Zinc Plated Steel
Durastar 1-3/8" ID Rubber Expandable Adapter | 1.360 - 1.425 Expansion Range Key Product...
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Durastar 1-1/8" ID Rubber Expandable Adapter Durastar
Ships in 1-3 Business Days
1-1/8" Rubber Expandable Adapter 1.030"-1.140" Range
Part # EA-93
$9.00
Volume pricing available
Rubber
Wheel Rubber
Durastar 1-1/8" ID Rubber Expandable Adapter | 1.030 - 1.140 Expansion Range Key Product...
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Durastar 1" ID Rubber Expandable Adapter Durastar
Ships in 1-3 Business Days
1" Rubber Expandable Adapter 0.928"–1.029" Range for Round Tubing
Part # EA-92
$9.00
Volume pricing available
Rubber
Wheel Rubber
Durastar 1" ID Rubber Expandable Adapter | 0.928" – 1.029" Expansion Range Key Product...
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Durastar Caster Accessories – Miscellaneous Parts for Enhanced Mobility Systems

Product Features

  • Versatile Selection: Includes floor locks, caster pads, raceway seals, steel thread guards, bumpers, and rubber expandable adapters
  • Compatibility: Designed to fit a wide variety of caster styles and applications
  • Durability: Manufactured from high-quality steel, rubber, and protective materials for long-lasting performance
  • Functionality: Supports caster stability, enhances safety, reduces wear, and protects both equipment and flooring
  • Ease of Installation: Quick and secure attachment options for efficient setup

Durastar Caster Accessories are engineered to enhance the functionality, performance, and safety of your mobility systems. Whether you're outfitting carts, dollies, equipment racks, or workstations, these miscellaneous parts provide essential support for day-to-day operations in industrial, commercial, or institutional environments.

Choose from a robust selection of accessories including floor locks for secure stationary positioning, caster pads for easy mounting, raceway seals for debris protection, steel thread guards for wheel longevity, bumpers for impact absorption, and rubber expandable adapters for tight stem fitting.

Every component is constructed with quality in mind—meeting durability, usability, and safety standards demanded by professionals across a wide range of industries. Whether you're replacing worn parts or upgrading your system, Durastar accessories help maintain reliable and efficient mobility.

Optimize Your Caster Systems

Improve the performance and reliability of your caster-equipped equipment with Durastar’s trusted line of miscellaneous parts. Built for resilience, precision, and ease—upgrade your accessories today for maximum functionality.

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