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: BS-081230
The Durastar 1/2" ID x 3/4" OD x 1-7/8" Length Steel Spanner Bushing is engineered to provide dependable axle spacing and alignment for high-performance caster assemblies. With a precisely machined inner diameter of 1/2" and an outer diameter of 3/4", this steel bushing ensures a secure fit within standard bearing hubs, preventing lateral movement and reducing long-term stress on axle shafts.
Built from heavy-duty steel and coated with a corrosion-resistant zinc finish, this spanner bushing withstands harsh operating environments commonly found in manufacturing, warehousing, and logistics. Its 1-7/8" extended length accommodates wider hubs, making it a reliable choice for both OEMs and repair technicians seeking consistent and maintenance-free performance.
Whether you're upgrading casters on a utility cart or replacing parts in heavy-duty equipment, trust Durastar's spanner bushings to deliver precision, stability, and durability where it matters most.
Choose the Durastar Steel Spanner Bushing for your next build or replacement project and ensure your caster assemblies perform at their best—durable, reliable, and engineered for excellence.
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 1/2" ID x 3/4" OD x 1-7/8" Length Steel Spanner Bushing is engineered for professionals seeking dependable axle support in caster wheel installations. Precision-machined for a 1/2" inner diameter and a 3/4" outer diameter, this bushing delivers a tight fit and optimal spacing within standard caster assemblies.
Constructed from industrial-grade steel and finished with a corrosion-resistant zinc coating, this bushing stands up to heavy-duty use in rugged environments such as warehouses, production floors, logistics centers, and commercial carts. Its 1-7/8" overall length accommodates wider hubs and ensures enhanced alignment between the wheel and axle, reducing lateral play and promoting smoother performance under load.
Whether you're assembling a new cart, repairing equipment, or upgrading your caster system, this spanner bushing delivers consistent results. It helps distribute weight more evenly, protects bearings from excess wear, and maintains axle alignment—critical for preventing deformation and downtime.
Backed by Durastar’s reputation for reliable manufacturing, this component is designed for ease of installation and long-term service life. It's a smart choice for maintenance teams, OEMs, and anyone needing a reliable solution to maintain spacing within caster wheels and other rotating assemblies.
Engineered to perform under pressure, the steel spanner bushing resists crushing, deformation, and rust—making it ideal for dynamic, high-load environments. With minimal maintenance and a universal fit for 1/2" ID wheel bearings, it’s the ideal upgrade for your mobility system.
From design to performance, every feature is optimized for strength, stability, and user safety—because reliable parts mean fewer breakdowns and more productivity.
Choose the Durastar Steel Spanner Bushing to maximize caster performance and protect your investments. When precision matters, trust a solution that delivers on quality and durability—job after job.
$6.00
Designed for engineers, manufacturers, and material handling professionals