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Durastar 1/2" ID x 3/4" OD x 2-7/16" Length Delrin Spanner Bushing

Volume discounts applied at checkout
  • 50-99 units: 5% Off
  • 100-199 units: 10% Off
  • 200+ units: 15% Off
Status: In Stock
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Most in-stock items ship same or next business day. Shipping rates shown at checkout.

PRODUCT CODE: BS-D081239

Product Overview

Durastar 1/2" ID x 3/4" OD x 2-7/16" Length Delrin Spanner Bushing


Key Features

  • Inner Diameter: Precisely machined 1/2" ID for secure axle placement
  • Outer Diameter: 3/4" OD designed for a tight fit in wheel hub assemblies
  • Length: 2-7/16" overall length for compatibility with a wide range of caster and wheel sizes
  • Material: High-performance Delrin® (acetal) engineered for durability and wear resistance
  • Performance: Low-friction and non-corrosive properties ideal for demanding environments
  • Applications: Commonly used in caster wheels, carts, rolling equipment, and material handling systems
  • Lightweight & Strong: Offers excellent mechanical strength without adding bulk
  • Moisture & Chemical Resistant: Suitable for both dry and wet environments
  • Precision Fit: Designed for smooth rotation and reduced axle wear
  • Industry Trusted: Manufactured by Durastar for long-lasting reliability

The Durastar 1/2" ID x 3/4" OD x 2-7/16" Length Delrin Spanner Bushing is engineered to deliver precision, durability, and performance for a wide range of mobility applications. Crafted from premium Delrin® acetal material, this bushing offers excellent strength, dimensional stability, and resistance to friction, making it ideal for high-use caster and wheel systems.

Its 1/2-inch inner diameter fits standard axle sizes securely, while the 3/4-inch outer diameter provides a snug placement in hubs or bore openings. The 2-7/16-inch length ensures a perfect fit for deep hub configurations, providing consistent and stable wheel alignment.

Whether used in industrial carts, institutional equipment, or rolling racks, this Delrin spanner bushing helps reduce axle wear and promotes smooth wheel operation—even under frequent motion or varying environmental conditions. Its moisture and chemical resistance make it suitable for indoor and outdoor use alike.

Enhance Wheel Performance with Durastar Precision

Trust in Durastar’s commitment to quality. This Delrin spanner bushing is a smart, reliable solution for optimizing wheel rotation, reducing wear, and extending equipment life in any mobility-focused system.

Technical Specs

Technical Specifications

  • Inner Diameter (ID): 1/2 inch – ensures a snug fit for axle or fastener
  • Outer Diameter (OD): 3/4 inch – provides proper spacing and structural support
  • Length: 2-7/16 inch – ideal for standard caster and wheel applications
  • Material: Delrin (Acetal) – offers high strength, low friction, and excellent wear resistance
  • Weight: Lightweight – easy to install and minimizes overall equipment load
  • Corrosion Resistance: Yes – non-metallic and unaffected by moisture or chemicals
  • Lubrication Required: No – maintenance-free with naturally low-friction surface
  • Temperature Range: Performs reliably in fluctuating or extreme temperatures
  • Non-Magnetic: Safe for use in sensitive environments and electronic systems
  • Applications: Perfect for carts, casters, rollers, and mechanical assemblies requiring precise alignment
Key Features

Top 10 Product Features

  • Precision Dimensions: 1/2" inner diameter, 3/4" outer diameter, and 2-7/16" length for exact axle and hub fit
  • High-Performance Material: Made from durable Delrin® acetal for excellent wear resistance and strength
  • Low-Friction Design: Reduces rolling resistance and promotes smooth wheel rotation in high-use environments
  • Corrosion & Moisture Resistant: Performs reliably in wet, humid, and chemically exposed applications
  • Lightweight Yet Strong: Provides structural integrity without adding unnecessary weight to your equipment
  • Protects Axles & Bearings: Helps prevent metal-on-metal contact, reducing long-term maintenance costs
  • Versatile Use Cases: Ideal for carts, caster wheels, material handling equipment, and utility racks
  • USA-Made Quality: Manufactured to strict standards ensuring long-lasting and consistent performance
  • Supports Equipment Longevity: Helps maintain wheel alignment and extends service life of moving components
  • Trusted by Industry Professionals: Preferred in both commercial and industrial settings for reliability and efficiency
Ordering & Shipping Information

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.

  • Flat-rate shipping by order size. Final shipping cost shown before payment.
  • No post-checkout shipping adjustments or re-billing.
  • Most orders ship from our Texas headquarters near Dallas.

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.

Typical transit times after shipment

Central & Southern U.S.: typically 1–2 business days
East & West Coasts: typically 2–3 business days
Remote areas may take longer.

Made-to-order items (lead times)

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.

Need an exact freight quote for a large order?

Contact us before ordering and we’ll confirm total landed cost upfront. Contact us.

Additional Information

Durastar 1/2" ID x 3/4" OD x 2-7/16" Length Delrin Spanner Bushing


The Durastar Delrin Spanner Bushing is an engineered precision component designed to enhance the performance, alignment, and durability of caster wheel assemblies and mobile equipment. With exact sizing at 1/2" inner diameter, 3/4" outer diameter, and an overall 2-7/16" length, it provides a reliable and secure interface between the axle and hub.

Engineered with High-Performance Delrin®

Constructed from high-grade Delrin® acetal, this bushing delivers a powerful combination of strength, low-friction performance, and chemical resistance. Its non-metallic structure ensures protection against corrosion and wear, even in moisture-prone or chemically exposed environments.

Delrin’s mechanical properties make it an excellent solution for both light-duty and heavy-duty equipment where performance and longevity matter. It reduces wear on axles, ensures smooth wheel rotation, and minimizes the risk of misalignment.

Designed for Mobility Applications

This spanner bushing is commonly used in a variety of applications, including:

  • Industrial caster wheels and carts
  • Material handling equipment
  • Rolling racks and transport platforms
  • Institutional and medical mobility systems

Its lightweight design does not compromise strength, making it a preferred choice for reducing rolling resistance while maximizing operational efficiency. The bushing supports consistent alignment under load and extends the life of moving components.

Backed by Durastar Quality

Trusted by professionals across industrial and commercial sectors, Durastar components are manufactured under strict quality controls to ensure superior fit, function, and reliability. This spanner bushing reflects our commitment to delivering components that meet your toughest operational demands.

Whether you're upgrading casters, replacing worn bushings, or assembling new equipment, this Delrin bushing is a smart, dependable solution.

Improve Equipment Longevity and Performance

Choose the Durastar 1/2" ID x 3/4" OD x 2-7/16" Length Delrin Spanner Bushing for unmatched durability, precision, and efficiency in your wheel or caster system. Invest in a component engineered to perform in demanding environments and built to last.

Durastar 1/2
Durastar 1/2" ID x 3/4" OD x 2-7/16" Length Delrin Spanner Bushing

$6.00

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