Up to 350 lbs
Up to 7,000 lbs
Up to 16,000 lbs
Up to 40,000 lbs
Shock absorbing
Outdoor / rough terrain
View All Specialty Casters
Browse all specialty caster types
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.
Specialty Casters
Gate Casters
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Keyed Drive Wheels
Drywall Cart Casters
Skid Wheels & Casters for RVs
Leveling Casters
Shopping Cart Wheels & Casters
Band Equipment Casters & Wheels
Low Profile Casters
Cart Wheels & Casters
Toolbox Caster Sets
Bakery & High Temperature Casters
Kitchen Prep Table Caster Sets
Wire Shelving Casters
Silent Glide Casters

The 3.5" x 1.25" Polyolefin Delrin Bearing Caster with 7/8" to 15/16" Inside Dia. Round Tubing Expanding Adapter (MTG41) is designed for light to medium-duty applications. This caster combines durable polyolefin material with smooth-running Delrin bearings, ensuring effortless mobility in industrial and commercial settings. The expanding adapter (MTG41) fits 7/8" to 15/16" inside diameter round tubing, making it versatile and adaptable for a variety of mounting applications. The caster’s corrosion-resistant properties make it ideal for environments where moisture or chemicals are present.
Crafted with precision and quality, the 3.5" x 1.25" Polyolefin Delrin Bearing Caster with Expanding Adapter (MTG41) is rigorously tested to meet high industry standards. It is engineered for long-term, dependable use in equipment, furniture, and various industrial applications. Backed by our commitment to excellence, this caster provides exceptional value, offering durability and smooth performance for your business or project needs. With our satisfaction guarantee, you can trust that this caster will meet and exceed your expectations.
Order processing
In stock. Orders placed before 12pm CT (Mon–Fri) typically ship the same or next business day from our Mansfield, TX warehouse.
Shipping method
Smaller orders ship parcel (UPS/FedEx Ground). Heavy or bulk quantities consolidate to LTL freight. The method and final cost are shown before payment, so there are no post-checkout adjustments.
Payment & procurement terms
New to CasterHQ? Open an account or request terms and send your resale or tax-exemption certificate before ordering so it is applied at checkout.
Volume pricing & quotes
Quantity discounts apply automatically — no codes needed. For large, recurring, or custom requirements, request a bulk quote and our team will confirm pricing, lead time, and total landed freight upfront.
Returns & warranty
Stock items carry a 30-day return policy in unused, resalable condition. Made-to-order and custom items are non-returnable once production starts. All products carry the manufacturer's warranty against defects.
Central & Southern U.S.: typically 1–2 business days
East & West Coasts: typically 2–3 business days
Remote areas and freight deliveries may take longer.
For pallet freight, scheduled releases, or blanket purchase orders, contact our team and we'll confirm total landed cost before you commit. Direct line: 844-439-4335.
The 3.5" x 1.25" Polyolefin Delrin Bearing Caster with 7/8" to 15/16" Inside Dia. Round Tubing Expanding Adapter (MTG41) - 2.03267.53 MTG41 is a high-performance mobility solution designed for demanding industrial and commercial applications. Featuring superior components such as Delrin bearings and a durable polyolefin wheel, this caster ensures smooth and efficient operation even under heavy loads.
This caster is built for longevity, incorporating full double ball hardened raceways to provide enhanced performance and durability. The raceways are designed to handle heavy-duty workloads, ensuring a reliable, long-lasting solution for a wide range of industrial needs. The multi-temp grease used in this caster allows it to perform well in extreme temperatures, from -45°F to +180°F, providing consistent results no matter the environment.
The polyolefin wheel material is known for its excellent impact resistance and durability, making it an ideal choice for industrial environments where heavy loads and frequent movement are the norm. Combined with the Delrin bearings, the wheel ensures smooth, frictionless movement, reducing wear and tear and minimizing maintenance needs over time. The round tread profile is engineered to deliver stable and reliable movement across various surfaces, enhancing the caster’s overall performance.
Designed with versatility in mind, the 7/8" to 15/16" Inside Dia. Round Tubing Expanding Adapter (MTG41) allows for secure and adaptable mounting. This feature ensures that the caster can be easily installed and utilized with round tubing of various sizes, making it suitable for a range of applications in machinery, furniture, and other equipment requiring reliable mobility.
With a load capacity of 230 lbs, this caster can handle a significant amount of weight, making it ideal for industrial environments where heavy equipment or materials need to be moved. Whether used in warehouses, factories, or other industrial settings, this caster ensures the safe and efficient movement of large loads, reducing the risk of accidents and improving overall productivity.
The 2.03267.53 MTG41 caster is RoHS compliant and an NSF component (excluding thread guards), ensuring it meets critical industry standards for safety, environmental responsibility, and reliability. This compliance guarantees that the caster is free from harmful substances and is safe for use in applications where stringent health and safety standards must be followed.
We stand behind the quality of this caster with a 3-year warranty, offering peace of mind to customers who rely on durable and long-lasting mobility solutions. Whether for industrial, commercial, or personal use, you can trust that this caster will provide superior performance and value throughout its lifespan.
The 3.5" x 1.25" Polyolefin Delrin Bearing Caster is perfect for a variety of applications, including machinery, heavy-duty equipment, furniture, and other movable objects in industrial environments. Its high load capacity, durability, and smooth rolling performance make it the go-to solution for businesses and individuals who need reliable, long-lasting casters for their mobility needs.
This Colson 2.03267.53 MTG41 3.5" x 1.25" Polyolefin Caster – 7/8" to 15/16" is rated to 230 lbs per caster. Size a set by dividing the total load by the number of casters, and for uneven floors assume 3 of 4 casters carry the load. Keep continuous-use loads within about 75-80% of the rating.
This caster runs a Polyolefin wheel with a 1-1/4" tread width. Polyurethane protects finished floors, rolls quietly, and resists most chemicals while carrying heavy loads.
This caster uses a top-plate mount. Measure your existing mounting holes before ordering; if you are replacing casters, match the bolt pattern - most standard patterns interchange across brands.
Rated for -20°F to 180°F. Operating outside the rated range can reduce wheel life and load capacity, so match it to your environment (wash-down, freezer, oven-adjacent, etc.).
The Polyolefin wheel performs best on smooth to semi-smooth floors including sealed concrete, tile, and epoxy. For non-marking or clean-environment needs, ask us about matching tread options.
The overall height (floor to top of plate or stem) is 4.56". Account for it when checking equipment clearance, dock height, and ergonomic working height.
We accept purchase orders and offer Net 30 on approved accounts, ACH, and all major cards, plus tax-exempt ordering with a resale or exemption certificate. Volume discounts apply automatically; request a bulk quote for large or recurring orders. Stock items carry a 30-day return policy in unused condition (made-to-order items are non-returnable once production starts).
$55.00
| Identification | |
| Brand | colson header |
| Dimensions & Mounting | |
| Wheel Diameter | 3-1/2" |
| Wheel Tread Width | 1-1/4" |
| Overall Height | 4.56" |
| Mount Style | Plate |
| Load & Performance | |
| Wheel Capacity | 230 lbs |
| Temp Range | -20°F to 180°F |
| Materials & Finish | |
| Wheel Material | Polyolefin |
| Frame Material | Zinc Plated Steel |
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