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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.
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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: 2.05267.95-MTG51
The 5" x 1.25" HI-TECH Ball Bearing Caster with 7/8" to 15/16" Inside Dia. Square Tubing Expanding Adapter (MTG51) is designed to offer superior performance in various industrial and commercial applications. The high-tech construction features precision ball bearings for smooth, effortless rolling, even under heavy loads. The expanding adapter is ideal for square tubing, making installation easy and adaptable to multiple setups. This caster is built for durability, ensuring long-term reliability in demanding environments. It provides excellent maneuverability and strength, making it the go-to solution for a range of equipment and machinery needs.
Our 5" x 1.25" HI-TECH Ball Bearing Caster with 7/8" to 15/16" Inside Dia. Square Tubing Expanding Adapter (MTG51) is engineered to meet high industrial standards for quality and performance. Each caster undergoes rigorous testing to ensure it meets or exceeds specifications for durability, load capacity, and smooth operation. We are committed to providing products that offer exceptional value, longevity, and reliability. Backed by a customer satisfaction guarantee, you can trust that this caster will meet your business's needs, providing dependable service over time.
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 5" x 1.25" HI-TECH Ball Bearing Caster with 7/8" to 15/16" Inside Dia. Square Tubing Expanding Adapter (MTG51) is a high-performance, heavy-duty caster designed for industrial applications. Featuring a precision ball bearing system and a durable HI-TECH polyurethane wheel, this caster provides smooth movement, optimal load-bearing capacity, and long-lasting durability. The caster is built to withstand demanding environments, making it perfect for machinery, carts, and various industrial equipment.
The 5" x 1.25" HI-TECH Ball Bearing Caster (MTG51) is the ideal choice for businesses looking for a reliable, durable, and high-performance caster to support their heavy-duty equipment. Its advanced features, including the HI-TECH polyurethane wheel, precision ball bearings, and corrosion-resistant zinc finish, ensure smooth operation, long-term reliability, and reduced maintenance costs. Whether you need a caster for machinery, carts, or equipment in harsh environments, this model offers exceptional value and performance.
This caster is perfect for a wide range of industrial applications, including use in machinery, heavy-duty carts, factory equipment, material handling systems, and more. The caster's versatility and rugged construction make it suitable for both indoor and outdoor use in industries such as manufacturing, logistics, and construction.
Our 5" x 1.25" HI-TECH Ball Bearing Caster with Expanding Adapter is manufactured to the highest standards, ensuring that it will meet the demands of even the most rigorous industrial environments. With a 3-year warranty and certifications for safety and quality, this caster provides peace of mind and assurance of long-term performance. We are committed to delivering exceptional products that add value to your business and help optimize your operations.
$73.00
Designed for engineers, manufacturers, and material handling professionals