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98.7% On-Time Ship Rate Across All Orders
200,000+ Orders Fulfilled for OEM & MRO Teams Nationwide
100+ Years of Combined Caster Industry Experience
Automatic Bulk Pricing | OEM & MRO Volume Discounts Applied at Checkout
Up to 350 lbs · Light Duty Applications
Up to 7,200 lbs · Industrial Duty
Up to 17,500 lbs · Heavy Industrial
Up to 40,000 lbs · Extreme Load Applications
Up to 40,000 lbs · Increased Maneuverability
Up to 3,100 lbs · Industrial Shock Absorbing
Up to 3,200 lbs - Corrosion Resistant
Stainless Steel
Up to 8,400 lbs.
Explore All Specialty Caster Applications
From Everyday Use to Niche Solutions
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.
Most in-stock items ship same or next business day. Shipping rates shown at checkout.
PRODUCT CODE: 2.04267.55-MTG55
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.
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.
Transparent pricing
All pricing and quantity discounts are applied automatically. No promo codes required and no post-checkout price changes.
Upfront shipping costs
Shipping is calculated by order size and weight. Final shipping costs are shown before payment so there are no surprises.
Business-friendly ordering
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.
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.
Central & Southern U.S.: typically 1–2 business days
East & West Coasts: typically 2–3 business days
Remote areas may take longer.
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.
Contact us before ordering and we’ll confirm total landed cost upfront. Contact us.
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.
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.
Colson Casters are designed for a wide range of environments, including:
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.
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.
$62.00
Designed for engineers, manufacturers, and material handling professionals