Certified Where It Matters | Exceeds ICWM Standards • ANSI Tested • NSF Certified • RoHS Compliant
The Most Trusted Source for Industrial Casters | 100,000+ Orders Fulfilled for OEMs & MRO Teams
Products Manufactured in ISO 9001:2015-Certified Facilities | Trusted by OEMs & MRO Teams
In Stock. Ready to Ship. Trusted by Industry Pros.
Caster Specialists Ready to Help | Get Fast Guidance for OEM & MRO Applications
Guaranteed Lowest Pricing on Bulk Orders | Automatic Discounts Applied Instantly 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: PB-6203
Optimize your equipment with the Durastar 1/2" or 17mm ID x 40mm OD Precision Sealed Ball Bearing, designed for seamless integration into a wide range of mechanical and caster systems. Whether you're replacing worn components or upgrading for better performance, this bearing offers the reliable precision and sealed protection you need.
Featuring a precision-machined 40mm outer diameter and your choice of a 1/2" or 17mm inner diameter, this bearing is built to perform under demanding conditions. Its dual rubber seals shield internal components from contaminants, making it ideal for both indoor and outdoor applications.
Manufactured with high-grade steel and sealed for maintenance-free operation, the Durastar sealed ball bearing ensures consistent performance, reduced vibration, and extended service life. Perfect for industrial carts, caster wheels, machinery, and more, it’s a trusted solution where durability and accuracy matter most.
Upgrade your equipment with a precision bearing engineered for durability, protection, and smooth motion. Trust Durastar for reliable solutions that keep your operations moving.
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.
The Durastar Precision Sealed Ball Bearing offers a reliable and long-lasting solution for industrial, mechanical, and caster-based systems. Designed with precision and quality in mind, this bearing is available in two inner diameter sizes—1/2" or 17mm—and features a 40mm outer diameter to ensure compatibility with a wide range of equipment.
This bearing includes dual rubber seals that safeguard internal components against dust, moisture, and debris, extending the life of the bearing while enhancing operational reliability. The seals also make this bearing maintenance-free, as it's factory-lubricated to perform under demanding conditions without the need for re-greasing.
Engineered for high-speed, low-friction performance, this bearing reduces noise and vibration, making it ideal for use in environments where precision and quiet operation are essential. Whether you're outfitting caster wheels, repairing industrial machinery, or replacing worn parts in commercial equipment, the Durastar sealed bearing delivers smooth and dependable motion.
Manufactured with premium-grade steel, this ball bearing resists corrosion and wear, offering consistent performance across both indoor and outdoor applications. Its rugged construction makes it suitable for factory floors, distribution centers, hospitals, warehouses, and more.
With a reputation for quality and engineering excellence, Durastar continues to set industry standards in component manufacturing. This bearing exemplifies the brand’s commitment to delivering high-performance parts that support efficiency, safety, and productivity.
Upgrade your equipment with the Durastar 1/2" or 17mm ID x 40mm OD Precision Sealed Ball Bearing—trusted by professionals for its strength, smooth operation, and protective sealed design. Ensure consistent motion and reduce downtime with a bearing built for today’s industrial demands.
$5.00
Designed for engineers, manufacturers, and material handling professionals