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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
Stem Casters
Stem Casters
Stainless Casters
Stainless Casters
Ergonomic Casters
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
Back to Parts
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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Furniture Dollies
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Hydraulic Lift Tables
Utility Carts

Utility Carts
Pallet Dollies

Pallet Dollies
Safe & Applicance Dollies

Safe & Applicance Dollies
Carts & Platform Trucks

Carts & Platform Trucks
Hand Trucks & Accessories

Hand Trucks & Accessories
Ratchet Straps & Tie Downs

Ratchet Straps & Tie Downs
Three Wheel Dollies

Three Wheel Dollies
Wire Shelving

Wire Shelving
Pallet Jacks

Pallet Jacks
Stackers

Stackers
Heavy Duty Tilt Trucks

Heavy Duty Tilt Trucks
Ball Transfers

Ball Transfers
Moving Supplies

Moving Supplies
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ALBION CASTERS

ALBION CASTERS
BLICKLE CASTERS

BLICKLE CASTERS
HAMILTON CASTERS

HAMILTON CASTERS
P&H CASTERS

P&H CASTERS
SHEPHERD CASTERS

SHEPHERD CASTERS
B&P MANUFACTURING

B&P MANUFACTURING
SAFE 'N SECURE

SAFE 'N SECURE
HUDSON BEARINGS

HUDSON BEARINGS
QUANTUM STORAGE

QUANTUM STORAGE
AMERICAN MOVING SUPPLIES

AMERICAN MOVING SUPPLIES
COLSON CASTERS

COLSON CASTERS
DURASTAR CASTERS

DURASTAR CASTERS
CORPS DESIGN

CORPS DESIGN
FAULTLESS MEDICAL CASTERS

FAULTLESS MEDICAL CASTERS

Technical Resources

New: OEM Caster Cross-Reference — find your CasterHQ equivalent for Hamilton, Albion, Colson, Bassick, and 18 other OEM brand part numbers.
113 engineer-written articles · 113 updated for 2026

Caster Technical Resources Hub.

Every selection guide, sizing calculator, failure diagnosis, and engineering reference we've published — organized by topic. Written by application engineers with 15+ years industrial caster experience.

Articles
113
Engineer-written
2026 Updates
113
Refreshed this year
Topic Categories
14
Browse-by-topic
Free Calculators
8
Plus failure tool

Wheel Materials

9 articles

Polyurethane vs rubber vs phenolic vs steel — match material to floor + load + environment.

2026
Solid Rubber vs Pneumatic Casters: Use Cases (2026)
Solid rubber never goes flat; pneumatic absorbs more shock. Load capacity, rolling effort, maintenance, and where each wins in industrial service.
20265-7 min
2026
Polyurethane Railroad Wheels: Industrial Rail Spec Guide (2026)
When polyurethane works for railroad and track wheels, and when you need cast iron V-groove. Load ratings, tread profiles, durometer, and real SKU recommendatio
20268-10 min
2026
Polyurethane vs Rubber Casters: Which Wheel Material Is Better?
Compare polyurethane and rubber casters for plate mount applications. Learn differences in load capacity, floor protection, d
20265-7 min
2026
Wheel Materials Compared: Polyurethane, Rubber, Nylon, Phenolic & Steel Wheels
A complete comparison of industrial caster wheel materials including polyurethane (by core), rubber vs TPR, nylon, phenolic,
20265-7 min
2026
How Floor Conditions and Wheel Material Selection Affect Caster Performance
A practical guide to how floor conditions and wheel material selection affect caster performance, vibration, and longevity.
20265-7 min
2026
Caster Wheel Material Compatibility Chart + Selector Tool
Read article → 5-7 min
20265-7 min
2026
Wheel Diameter for Casters
Wheel diameter directly affects rolling resistance, obstacle roll-over, and overall caster performance in real-world applic
20265-7 min

Mounting & Stems

17 articles

Plate vs stem mounts, bolt patterns, thread sizes, grip rings.

2026
Replacement Casters: Bolt Patterns & Retrofit (2026)
Match top plate, bolt pattern, wheel diameter, and load rating to spec the right replacement caster. Industry standard sizes, load formulas, and retrofit strate
20265-7 min
2026
Stem Casters: Complete Sizing, Thread & Spec Guide (2026)
Six stem types, nine common diameters, every thread class. How to measure and order stem casters correctly the first time.
20268-10 min
2026
Threaded stem casters keep loosening? The real fix, step by step
Learn why threaded stem casters loosen over time and how to prevent failure with proper torque, jam nuts, and thread lockin
20265-7 min
2026
Grip-ring vs threaded stem casters: which stem style holds up longer?
Compare grip ring and threaded stem casters for strength, retention, and industrial reliability. Learn which stem type is rig
20265-7 min
2026
Threaded Stem Caster Thread Pitch Guide (UNC vs Metric Explained)
Confused about 3/8-16 vs 3/8-24? Learn how threaded stem pitch works, how to measure it, and how to avoid costly ordering mis
20268-10 min
2026
3/8 vs 1/2 Threaded Stem Casters: Which Is Stronger?
Compare 3/8" and 1/2" threaded stem casters for strength, load capacity, and real-world industrial use. Learn which stem size
20265-7 min
2026
How to Measure a Threaded Stem Caster (Diameter, Pitch & Length Guide)
Learn how to measure threaded stem diameter, thread pitch, and usable length to avoid ordering the wrong replacement caster.
20268-10 min
2026
Types of Stem Casters Explained (Threaded, Grip Ring & Expansion)
Learn the three main types of stem casters: threaded stem, grip ring, and expanding rubber adapter. Understand when to use ea
20268-10 min
2026
Plate Caster Bolt Pattern Guide (How to Match Replacement Plates)
Learn how to measure and match plate caster bolt patterns correctly. Avoid costly fitment mistakes when replacing industrial
20268-10 min
2026
How to Measure a Caster Plate (Avoid Costly Replacement Mistakes)
Replacing a plate caster? Learn how to measure top plate dimensions, bolt hole spacing, and overall height correctly to avoid
20265-7 min
2026
Plate vs Stem Casters: Which Mounting Type Is Right for Your Application?
Choosing between plate mount and stem mount casters affects load capacity, durability, and long-term performance. This guide
20265-7 min
2026
Caster Mounting Styles & Measurements: Top Plate vs Stem Explained
A complete guide to caster mounting styles—top plate, threaded stem, grip ring, and expanding stems—plus the exact measur
20268-10 min
2026
Bolt Hole Pattern for Casters
Bolt hole pattern defines the number, size, and spacing of mounting holes and directly affects caster fitment and structura
20265-7 min
2026
Top Plate Dimensions for Casters
Top plate dimensions control caster mounting fit, load distribution, and structural stability at the equipment interface.
20265-7 min
2026
Mounting Height for Casters
Mounting height defines the interface distance between a caster and the equipment frame and is critical for alignment, stab
20265-7 min
2026
Swivel Radius for Casters
Swivel radius defines the minimum clearance required for a swivel caster to rotate 360° without contacting nearby structure
20265-7 min

Environments & Floors

17 articles

Concrete, outdoor, washdown, freezer, slope, chemical exposure.

2026
Pneumatic Caster Sizing: 8", 10", Tire Pressures (2026)
Diameter, ply rating, inflation pressure, hub length, and tread pattern for 8", 10", 12", and 16" industrial pneumatic casters. Fitment tables and real psi spec
20265-7 min
2026
Casters for Slopes & Ramps: Runaway Risks, Braking, and How to Spec Safely
Carts rolling away on ramps is a serious safety risk. Learn why brakes fail on slopes and how total-locking casters
20265-7 min
2026
Outdoor Casters: Why Wheels Fail Outside (and How to Spec Them Correctly)
Outdoor environments destroy standard casters. Learn how weather, UV, debris, and terrain cause failures—and how to spec outdoor casters t
20265-7 min
2026
Casters for Extreme Temperatures: Freezers, Ovens, and Why Wheels Fail
Extreme heat and cold destroy standard casters. Learn how temperature changes materials, bearings, and food safety—a
20265-7 min
2026
Casters for Washdown & Corrosive Environments: Why They Fail (and How to Spec Them)
Washdown destroys standard casters. Learn why bearings seize, metals corrode, and how to spec stainless, sealed, washdown-rated casters th
20265-7 min
2026
Casters for Heavy Static Loads: Why Wheels Fail When Parked (and How to Spec Them)
Heavy static loads destroy casters through creep and compression set—even within rated capacity. Learn how to spec wheels correctly for pa
20265-7 min
2026
Casters Damaging Floors: Causes, Fixes & Wheel Selection (Streaks, Dents, Marring)
Stop casters from damaging floors by identifying the failure mode—transfer marks, abrasion, dents, or coating shear—and selecting the righ
20265-7 min
2026
Casters for Uneven Floors (Cracks, Expansion Joints & Imperfect Concrete)
Learn how to choose casters that roll smoothly over cracked concrete, expansion joints, and uneven floors without chatter o
20265-7 min
2026
Floor Damage Prevention & Surface Protection with Casters
A practical guide explaining why casters damage floors and how to prevent scratches, dents, and wear on epoxy, concrete, ti
20265-7 min
2026
Caster Selection by Environment: Washdown, Chemicals, Heat & Outdoor Use
A complete guide to choosing casters for washdown, wet, chemical, outdoor, high-heat, debris-heavy, and noise-sensitive e
20265-7 min
2026
Best Casters for Concrete Floors: Warehouse, Garage & Industrial Guide
Engineer-written technical reference. Read the full article for application detail, sizing math, and engineer recommendations.
20268-10 min
2026
Floor Conditions for Casters
Floor conditions define how casters roll, absorb shock, generate noise, and wear over time in real operating environments.
20265-7 min
2026
Chemical Resistance for Casters
Chemical resistance defines how caster wheels, bearings, and frames withstand exposure to oils, solvents, cleaners, and cor
20265-7 min
2026
Operating Temperature for Casters
Operating temperature determines whether caster wheels, bearings, and lubricants function reliably in hot or cold environme
20265-7 min
2026
Static Load Rating for Casters
Static load rating defines the maximum weight a caster can support while stationary under ideal conditions. This specificat
20265-7 min
2026
Casters for Washdown & Sanitary Environments
Learn how to select casters for washdown and sanitary environments, including material, bearing, and design requirements to
20265-7 min

Industry Applications

10 articles

AGV, towing, powered, heavy equipment, gate, utility, warehouse.

2026
Leveling Casters: Ratchet, Manual & Foot-Operated Compared (2026)
Foot-pedal leveling casters drop a footpad and lift the wheel for rock-solid stability. Load capacity, footpad rating, leveling-vs-glide c
20265-7 min
2026
GoJak 6313 Wheel Replacement: Fitment, Parts, and Step-by-Step (2026)
Direct-fit cradle wheels and ground contact casters for the GoJak model 6313 vehicle positioning dolly. Step-by-step replacement, tools, and troubleshooting.
20265-7 min
2026
Utility Cart Replacement Wheels: Specs & Fitments (2026)
Match diameter, tread width, bearing bore, hub length, and mount style to replace any utility cart wheel. Covers Rubbermaid, Uline, Lakeside, Global Industrial,
20265-7 min
2026
Gate Caster Selection: V-Track & Spring-Loaded (2026)
V-groove cast iron, spring-loaded poly, or swing-mount: how to spec the right gate caster for rolling driveway gates, wind loads, and outdoor service life. Real
20265-7 min
2026
Warehouse cart casters: the complete spec and replacement guide
Choosing casters for warehouse carts requires the right wheel material, plate size, and load rating. This guide explains po
20268-10 min
2026
Casters for Towing & AGVs: Speed Limits, Failures, and How to Spec Correctly
Most caster failures in towing and AGV applications are caused by speed, heat, and instability—not load rating. Learn how to spec casters
20265-7 min
2026
Caster Selection for Towing & Powered Equipment
A safety-focused guide explaining why most industrial casters are designed for walking speed and how to properly select cas
20265-7 min
2026
Why Automation and AGV Projects Fail Due to Caster Selection Errors
Technical analysis of why AGV and automation systems fail due to caster selection errors and how to prevent downtime with proper component choice.
20265-7 min
2026
Harbor Freight Caster Replacement: Upgrade Guide for Shop & Industrial Use
Engineer-written technical reference. Read the full article for application detail, sizing math, and engineer recommendations.
20268-10 min
2026
Casters for AGVs & Autonomous Equipment
AGV casters must provide consistent rolling resistance, accurate tracking, and long service life in continuous-duty autonomou
20265-7 min

Push Force & Ergonomics

5 articles

Why carts are hard to push, NIOSH limits, ergonomic spec advice.

Failure Diagnosis & Prevention

7 articles

Why casters fail early, kingpin failure, wobble/flutter, flat-spotting.

2026
Why Swivel Casters Fail in Industrial Facilities
Swivel caster failures aren’t random. Shock loads, side impacts, and kingpin fatigue cause most breakdowns. Here’s how to p
20265-7 min
2026
Why Casters Flat Spot Overnight (Causes, Prevention & Wheel Selection)
Casters flat spot overnight due to compression set, dwell time, temperature, and compound choice. This guide explains the root causes, how
20265-7 min
2026
Why Swivel Casters Wobble (Flutter) — Causes, Fixes & Prevention
Learn why swivel casters wobble or flutter at speed and how wheel design, swivel geometry, load, and speed affect stability
20265-7 min
2026
Caster Maintenance, Inspection & Failure Prevention Guide
A practical guide to inspecting, maintaining, and preventing caster failures before they become safety incidents or downtim
20268-10 min
2026
Noise & Vibration Control with Casters: Flutter, Shimmy, and Quiet Rolling
Learn how to reduce caster noise, vibration, and flutter (shimmy). Covers wheel materials, tread damping, bearings, swive
20265-7 min
2026
Why Casters Fail Early: Troubleshooting & Prevention Guide
A diagnostic guide to why casters fail early—covering flat spots, seized bearings, bent forks, floor damage, environment is
20268-10 min
2026
Why Automation Projects Fail at the Wheel Level
An engineering-focused breakdown of why automation systems fail at the wheel and caster level, and how correct selection prevents downtime and performance issue
20265-7 min

Industry & Procurement Insights

12 articles

Industrial buying, procurement strategy, OEM downtime, AI in manufacturing.

2026
Heavy duty casters: the complete spec, rigging, and procurement guide
Complete industrial guide to selecting heavy duty casters based on load capacity, plate size, wheel width, and application en
20268-10 min
2026
AI Cannot Fix Bad Hardware Decisions
An engineering-led analysis explaining why AI and automation cannot overcome poor hardware decisions, and why mechanical fundamentals still determine performanc
20265-7 min
2026
Why Industrial E-Commerce Is Getting Worse, Not Better
Engineer-written technical reference. Read the full article for application detail, sizing math, and engineer recommendations.
20265-7 min
2026
Maintenance-Free vs Greasable Casters: Which Is Right for Your Application
A technical comparison of maintenance-free and greasable casters and how each impacts maintenance labor, downtime, and performance.
20265-7 min
2026
How AI and Automation Are Changing Mobility Requirements
An analysis of how AI-driven automation is changing mobility requirements and increasing the importance of engineered caster systems.
20265-7 min
2026
How Industrial Buying Behavior Changed After 2020
An analysis of how industrial buying behavior changed after 2020 and why component risk has increased for OEM and MRO buyers.
20265-7 min
2026
How Inventory Strategy Directly Impacts OEM Downtime
An operational breakdown of how inventory strategy impacts OEM downtime and why reserved inventory programs reduce risk and
20265-7 min
2026
Caster Compliance, Certifications, and Liability Risks Explained
A practical overview of caster compliance, certifications, and why non-compliant components increase safety and liability risk.
20268-10 min
2026
How Procurement Teams Overpay for Casters Without Realizing It
A practical analysis of how procurement teams overpay for casters and how better selection and planning reduce total cost without increasing risk.
20265-7 min
2026
2026 Industrial Forecast: Automation, Procurement, and What It Means for Casters
A data-driven outlook on industrial trends through 2026, including automation, procurement shifts, inventory strategy, and how these changes impact caster selec
20265-7 min
2026
How Industrial Buyers Get Casters Wrong (and How We Built CasterHQ to Fix It)
A founder’s perspective on the most common caster buying mistakes, why many industrial applications fail prematurely, and how CasterHQ approaches selection, inv
20265-7 min

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