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.
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Silent Glide Casters

The Colson Casters 3.5" x 1.3125" Performa Delrin Bearing Caster with Square Tubing Expanding Adapter (MTG51) offers a combination of strength, precision, and reliability for demanding applications. This caster features a high-quality Performa rubber wheel that ensures a smooth and quiet operation, making it ideal for environments where noise reduction is essential.
With Delrin bearings, this caster delivers long-lasting performance while providing superior load-bearing capabilities. It is compatible with square tubing sizes ranging from 7/8" to 15/16" inside diameter, making it an adaptable and versatile choice for a variety of uses. Whether you're equipping carts, hospital beds, or industrial equipment, this caster offers both durability and flexibility.
The top plate size of 3.5" x 1.3125" ensures that the caster can be securely mounted, providing a stable foundation for your applications. Colson Casters' MTG51 model is engineered to support medium-duty loads, making it suitable for industrial, medical, and commercial applications where mobility and reliability are essential.
Enhance your mobility solutions with the Colson Casters Performa Delrin Bearing Caster. Designed for ease of use, smooth operation, and long-lasting durability, it is the ideal choice for a range of applications requiring superior performance.
Upgrade your equipment with Colson Casters' Performa Delrin Bearing Caster. Experience unmatched reliability and smooth performance tailored to your specific needs.
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 Colson Casters 3.5" x 1.3125" Performa Delrin Bearing Caster with Square Tubing Expanding Adapter (MTG51) is a high-performance mobility solution that excels in a variety of industrial, medical, and commercial applications. This caster combines durability, smooth operation, and versatility to meet the needs of demanding environments where reliability and performance are essential.
At the heart of this caster is the Performa rubber wheel, which is designed to deliver exceptional durability and long-lasting performance. The Performa rubber material ensures that the wheel can withstand heavy usage while providing a smooth, quiet ride. This makes the caster ideal for use in environments where noise reduction is crucial, such as hospitals, offices, or retail spaces. The caster's wheel also reduces wear on floors, ensuring that it is suitable for a wide range of surfaces.
Equipped with high-quality Delrin bearings, this caster offers superior performance and long-lasting reliability. The Delrin bearing technology reduces friction and ensures smooth movement, even in high-load and high-traffic environments. This feature enhances the caster’s overall lifespan and minimizes the need for maintenance, making it a cost-effective solution for long-term use.
The caster features a Square Tubing Expanding Adapter that is compatible with square tubing ranging from 7/8" to 15/16" inside diameter. This makes it an adaptable and versatile option for a wide range of applications, from industrial carts to hospital equipment. Whether you're replacing existing casters or outfitting new equipment, this expanding adapter ensures a secure fit and easy installation, saving you time and effort during setup.
Designed to handle medium-duty loads, the Colson Casters MTG51 caster is perfect for use in applications where mobility and reliability are required. Whether it’s industrial carts, medical equipment, or office furniture, this caster provides a solid and stable base for your equipment. The 3.5" x 1.3125" top plate size allows for secure mounting, ensuring that your equipment remains stable and safe during transport.
The Performa rubber wheel and Delrin bearing combination ensures that the caster operates quietly, even under heavy loads. This feature is particularly important in environments where noise can disrupt workflows or patient care, such as hospitals or medical facilities. The smooth operation reduces vibration and provides a pleasant user experience, improving both efficiency and comfort.
The Colson Casters MTG51 is highly versatile and well-suited for a range of applications. Its medium-duty load capacity, smooth operation, and adaptability make it ideal for use in industries such as healthcare, hospitality, and manufacturing. Whether you're moving carts in a hospital or transporting equipment in a warehouse, this caster offers the reliability and durability you need.
Colson Casters is a trusted name in the industry, known for manufacturing high-quality mobility solutions that stand the test of time. The MTG51 caster is backed by Colson’s commitment to innovation and quality, ensuring that you receive a product that not only meets but exceeds your expectations. With this caster, you can rely on long-term performance and minimal maintenance, making it a smart investment for your business.
Enhance your mobility solutions with the Colson Casters MTG51 Performa Delrin Bearing Caster. Its durable construction, versatile compatibility, and quiet, smooth operation make it the ideal choice for a variety of applications. Trust Colson Casters for exceptional quality and performance that you can count on, day after day.
This Colson MTG51 3.5" x 1.3125" Performa Rubber Caster – 7/8" to 15/16" is rated to 210 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 Gray Rubber wheel with a 1-5/16" tread width. Rubber absorbs shock and protects floors, and runs quietly, which suits noise-sensitive and light-to-medium duty use.
This caster uses a top-plate mount with a 1" x 3-1/2" plate. 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 Gray Rubber wheel performs best on rough, uneven, or outdoor surfaces such as asphalt, gravel, and cracked concrete. 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).
$61.00
| Identification | |
| Brand | colson header |
| Dimensions & Mounting | |
| Wheel Diameter | 3-1/2" |
| Wheel Tread Width | 1-5/16" |
| Overall Height | 4.56" |
| Plate Size | 1" x 3-1/2" |
| Mount Style | Plate |
| Load & Performance | |
| Wheel Capacity | 210 lbs |
| Temp Range | -20°F to 180°F |
| Materials & Finish | |
| Wheel Material | Gray Rubber |
| Wheel Core Material | Polyolefin |
| Frame Material | Zinc Plated Steel |
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