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Colson Casters 4" x 1.25" Polyolefin Ball Bearing Caster with Expanding Adapter for Square Tubing (1-3/8" to 1-7/16" ID) - MTG55 - SKU: 2.04267.55 MTG55

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PRODUCT CODE: 2.04267.55-MTG55

Product Overview

Colson Casters | 4" x 1.25" Polyolefin Ball Bearing Caster with Expanding Adapter


Product Features

  • Material Options: Polyolefin wheel with ball bearing for enhanced performance
  • Mounting Type: Expanding adapter, designed to fit 1-3/8" to 1-7/16" inside diameter square tubing
  • Wheel Dimensions: 4" x 1.25" for optimal load-bearing capacity and maneuverability
  • Durability: Engineered for long-lasting performance, ideal for industrial applications
  • Ease of Use: Simple installation and smooth, reliable movement under load

The Colson Casters 4" x 1.25" Polyolefin Ball Bearing Caster with Expanding Adapter is the perfect solution for your mobility needs. This high-performance caster features a durable polyolefin wheel combined with a ball bearing, offering smooth, reliable movement even in demanding environments. The expanding adapter fits square tubing with an inside diameter ranging from 1-3/8" to 1-7/16", making it versatile and easy to install in a variety of setups.

Whether you're outfitting carts, racks, or industrial machinery, this caster is designed to provide superior functionality. The 4" x 1.25" wheel provides excellent load-bearing capacity, while the polyolefin material ensures resistance to wear and impact, making it an ideal choice for warehouses, factories, and other high-traffic environments. Its ball bearing construction ensures smooth rolling, reducing friction and wear over time.

In addition to its technical benefits, the caster is designed with user experience in mind. Its expanding adapter allows for quick and secure mounting to square tubing, making installation straightforward without the need for specialized tools. Whether you're working in a medical, industrial, or general-use setting, this Colson Caster combines efficiency and ease of use with robust performance and reliability.

Upgrade Your Mobility Solutions Today

Enhance the efficiency and reliability of your equipment with the Colson Casters 4" Polyolefin Ball Bearing Caster. Designed for durability and ease of use, this caster is an essential upgrade for any operation requiring high-quality mobility solutions.

Technical Specs

Technical Specifications

  • SKU: 2.04267.55 MTG55
  • Raceway Type: Full double ball hardened raceways for better performance and durability with multi-temp grease for extreme hot and cold temperatures
  • Brake: None
  • Load Capacity: 275 lbs
  • Mounting Height: 5.25 in
  • Wheel Diameter: 4 in
  • Wheel Tread Width: 1.25 in
  • Wheel Description: Polyolefin
  • Wheel Color: Black
  • Wheel Bearing: Ball
  • Wheel Profile: Round Tread
  • Wheel Hardness: 70(+/-5) Shore D
  • Wheel Thread Guards: None
  • Fastening: 1-3/8" to 1-7/16" Inside Dia. Square Tubing (MTG55) Expanding Adapter
  • Swivel Radius: 3.22 in
  • Finish: Zinc Plated
  • Axle Size: 3/8" hollow axle with lock nut
  • Operating Temperature Range: -45F° to +180F°
  • Manufacturing Code: 2.04267.55 MTG55
  • Warranty: 3 year
  • Conformity: RoHS compliant; NSF component (less thread guards)
Key Features

Top 10 Product Features

  • Durable Polyolefin Wheel: Designed to resist wear and impact, ensuring long-lasting performance in demanding environments.
  • Smooth Rolling Ball Bearings: The ball bearing design ensures smooth and reliable movement, minimizing friction for effortless maneuvering.
  • Expanding Adapter: Convenient expanding adapter that fits square tubing with inside diameters from 1-3/8" to 1-7/16", allowing for easy installation and secure mounting.
  • Optimal Load-Bearing Capacity: 4" x 1.25" wheel size provides excellent load-bearing capabilities, ideal for heavy-duty applications.
  • Versatile Applications: Perfect for industrial, medical, and warehouse settings, offering flexibility across various use cases.
  • Easy Installation: Designed for quick and straightforward mounting, saving time and effort during setup.
  • Reliable for High-Traffic Areas: Built to perform under continuous use, ensuring consistent functionality even in high-traffic environments like factories and hospitals.
  • Enhanced Mobility: The ergonomic design promotes smooth movement, reducing strain on users and improving overall efficiency in the workplace.
  • Heavy-Duty Performance: Engineered to handle tough workloads and extreme conditions, providing durability and reliability when you need it most.
  • USA-Made Quality: Manufactured with precision and quality control in the USA, ensuring top-tier craftsmanship and performance for your mobility needs.
Ordering & Shipping Information

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All pricing and quantity discounts are applied automatically. No promo codes required and no post-checkout price changes.

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We support bulk orders, repeat purchases, and fast quotes for larger or custom requirements.

Real support from product specialists

Need help confirming fit, compatibility, or application? Our team works directly with engineers, maintenance teams, and buyers every day.

Trusted by industrial and commercial customers

CasterHQ supplies casters and wheels for manufacturing, material handling, retail, and distribution environments nationwide.

  • Flat-rate shipping by order size. Final shipping cost shown before payment.
  • No post-checkout shipping adjustments or re-billing.
  • Most orders ship from our Texas headquarters near Dallas.

When will my order ship?

In-stock items typically ship same or next business day. Weekend orders ship Monday or Tuesday unless stated otherwise.

Will shipping cost more at checkout?

Shipping is not free on most orders. Your final shipping cost is shown before payment.

Typical transit times after shipment

Central & Southern U.S.: typically 1–2 business days
East & West Coasts: typically 2–3 business days
Remote areas may take longer.

Made-to-order items (lead times)

Some custom products (select Made in USA casters, keyway wheels, drive wheels) are built after purchase and ship on a longer lead time. When applicable, the ship-time estimate is shown on the product page.

Need an exact freight quote for a large order?

Contact us before ordering and we’ll confirm total landed cost upfront. Contact us.

Additional Information

Extended Product Information

The Colson Casters 4" x 1.25" Polyolefin Ball Bearing Caster with Expanding Adapter is designed to meet the demands of a wide range of applications. From industrial settings to healthcare environments, this caster combines durability, ease of installation, and exceptional mobility to provide a solution that enhances operational efficiency.

Durability and Performance

This caster is engineered with durability in mind. The polyolefin wheel provides a high level of resistance to wear and impact, making it a reliable choice for high-traffic areas. Whether used in industrial machinery, carts, or hospital equipment, the caster’s ball bearing design reduces friction and ensures smooth, consistent rolling performance, even under heavy loads.

The expanding adapter system makes this caster easy to install into square tubing with inside diameters ranging from 1-3/8" to 1-7/16". This feature adds to the caster's versatility, allowing it to be used in a variety of setups without the need for complex modifications. The 4" x 1.25" wheel size strikes the perfect balance between maneuverability and load-bearing capacity, ensuring efficient mobility in environments that require a reliable and durable solution.

Ideal Applications

Colson Casters are designed for a wide range of environments, including:

  • Industrial Use: Perfect for factory equipment, production lines, and heavy machinery that require high-performance mobility.
  • Medical Environments: Suitable for hospital carts and medical equipment, where smooth, easy movement is critical for patient care.
  • Warehouses and Logistics: Ideal for use in warehouses, moving goods and materials with ease and efficiency.
  • Commercial and Retail: Can be used in retail environments for carts, displays, and other mobile setups that require durability and reliability.

Why Choose Colson Casters?

Colson Casters have been trusted for years in industries that demand the highest level of quality and performance. Manufactured in the USA, Colson Casters offer unmatched reliability and innovation. This 4" x 1.25" Polyolefin Ball Bearing Caster combines advanced features such as the expanding adapter, heavy-duty performance, and ease of installation, ensuring that it meets the challenges of any environment.

Choosing Colson Casters means investing in mobility solutions that last, providing you with peace of mind that your equipment will continue to perform, even under the toughest conditions.

Upgrade Your Mobility Today

Transform your operations with the Colson Casters 4" Polyolefin Ball Bearing Caster. Durable, reliable, and designed for performance, it’s the perfect addition to your mobility solutions. Get started today and experience the Colson difference.

Colson Casters 4
Colson Casters 4" x 1.25" Polyolefin Ball Bearing Caster with Expanding Adapter for Square Tubing (1-3/8" to 1-7/16" ID) - MTG55 - SKU: 2.04267.55 MTG55

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