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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: 2.04267.53-MTG51
The Colson Casters 4" x 1.25" Polyolefin Delrin Bearing Caster with Expanding Adapter (MTG51) is engineered for superior performance and reliability. Featuring a high-strength Polyolefin wheel and a precision Delrin bearing, this caster offers smooth and efficient mobility, ensuring effortless movement even under moderate loads. The expanding adapter, designed to fit square tubing with an inside diameter of 7/8" to 15/16", ensures easy installation across various setups.
This caster is ideal for use in a range of settings, including industrial, medical, and commercial environments, where durability and precision are paramount. The Polyolefin wheel is resistant to wear and tear, while the Delrin bearing ensures long-lasting, friction-free performance. Whether you need reliable mobility for equipment, carts, or machinery, this Colson Caster guarantees easy maneuverability and enhanced functionality.
With its versatile design and exceptional load-bearing capacity, the Colson Casters | 4" x 1.25" Polyolefin Delrin Bearing Caster offers a practical solution for your mobility needs. Enhance your operations with this durable, reliable, and easy-to-use caster that prioritizes performance and longevity.
Improve the efficiency and durability of your equipment with the Colson Casters 4" x 1.25" Polyolefin Delrin Bearing Caster. Designed to provide smooth, reliable movement, it’s the perfect addition to your operations. Trust in Colson’s commitment to quality and long-lasting performance.
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.
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We support bulk orders, repeat purchases, and fast quotes for larger or custom requirements.
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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 Delrin Bearing Caster with Expanding Adapter is an ideal solution for applications requiring reliable, smooth, and durable mobility. Designed with a Polyolefin wheel and Delrin bearings, this caster is built to withstand the demands of various industrial, medical, and commercial settings, ensuring long-lasting performance and easy installation. Whether you’re outfitting equipment, carts, or machinery, this caster offers exceptional performance and versatility to enhance your operations.
The Colson Casters 4" Polyolefin Delrin Bearing Caster is versatile and suitable for use in a wide range of industries. Its robust construction makes it ideal for the following applications:
Choosing Colson Casters means selecting a product built for performance, durability, and ease of use. Here are some of the key benefits:
Upgrade your mobility systems with Colson Casters’ 4" Polyolefin Delrin Bearing Caster. Designed for smooth, reliable performance, this caster meets the needs of diverse industries requiring long-lasting, durable, and efficient mobility solutions. With Colson’s reputation for quality, you can trust that your investment will enhance productivity, improve safety, and provide reliable service for years to come.
$55.00
Designed for engineers, manufacturers, and material handling professionals