ISO 9001:2015 Quality Manufacturing · ANSI ICWM Performance Tested
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: BT-1-1-2-CS
Introducing the 1-1/2" Carbon Steel Four-Hole Flange Mounted Ball Transfer Unit, designed for exceptional performance and longevity. This heavy-duty unit boasts a remarkable 250 lbs load capacity, making it ideal for demanding applications across various industries.
Upgrade your material handling today! Contact our Caster Experts for expert advice and personalized recommendations.
The 1-1/2" main ball rotates smoothly on 3/16" support balls, ensuring effortless movement and efficient load transfer.
The ball support cup is hardened and plated, providing superior durability and resistance against wear and tear.
A protective cover is included, ensuring low torque operation and extending the unit's lifespan.
For applications requiring enhanced corrosion resistance, a stainless steel option is available.
Featuring a four-hole, flange mounted, all-steel construction, this ball transfer unit is built to withstand demanding industrial environments.
Our premium 1-1/2" Carbon Steel Four-Hole Flange Mounted Ball Transfer Unit is meticulously crafted for exceptional strength and smooth operation. This top-of-the-line unit boasts a robust main ball that seamlessly rotates on 3/16" support balls, ensuring long-lasting performance and minimal maintenance.
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.
Ball transfer units are the perfect solution for a wide range of applications, including:
Experience the benefits of:
Got questions about ball transfer units? Our team of experts are here weekdays 8 am - 5 pm to provide valuable advice for your project needs.
$14.00
Designed for engineers, manufacturers, and material handling professionals