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The Durastar 5/16" ID x 3/8" OD x 1-5/8" Length Steel Spanner Bushing is engineered for precision and durability in high-demand environments. Designed to fit snugly within bearing housings and caster wheels, this bushing ensures optimal performance and secure alignment between axle bolts and bearings.
Built from high-quality steel and finished with a corrosion-resistant zinc plating, this spanner bushing withstands harsh conditions and heavy usage. Its precise inner and outer diameter dimensions support smooth rotation while maintaining structural integrity over time.
Whether used in industrial carts, light-duty machinery, or mobile shelving systems, Durastar’s steel spanner bushing delivers reliable performance and helps reduce long-term maintenance costs by minimizing component wear and tear.
Ensure maximum performance and longevity with Durastar’s precision-crafted steel spanner bushings. Upgrade your equipment’s efficiency and reduce operational downtime with trusted quality and engineering.
Order processing
In stock. Orders placed before 12pm CT (Mon–Fri) typically ship the same or next business day from our Mansfield, TX warehouse.
Shipping method
Smaller orders ship parcel (UPS/FedEx Ground). Heavy or bulk quantities consolidate to LTL freight. The method and final cost are shown before payment, so there are no post-checkout adjustments.
Payment & procurement terms
New to CasterHQ? Open an account or request terms and send your resale or tax-exemption certificate before ordering so it is applied at checkout.
Volume pricing & quotes
Quantity discounts apply automatically — no codes needed. For large, recurring, or custom requirements, request a bulk quote and our team will confirm pricing, lead time, and total landed freight upfront.
Returns & warranty
Stock items carry a 30-day return policy in unused, resalable condition. Made-to-order and custom items are non-returnable once production starts. All products carry the manufacturer's warranty against defects.
Central & Southern U.S.: typically 1–2 business days
East & West Coasts: typically 2–3 business days
Remote areas and freight deliveries may take longer.
For pallet freight, scheduled releases, or blanket purchase orders, contact our team and we'll confirm total landed cost before you commit. Direct line: 844-439-4335.
The Durastar Steel Spanner Bushing is a precision-engineered hardware component designed to optimize axle and bearing alignment in caster wheels, carts, and material handling equipment. With an inner diameter of 5/16", outer diameter of 3/8", and length of 1-5/8", this bushing provides a dependable fit and long-lasting support for rotating components.
Constructed from high-strength steel and finished with a corrosion-resistant zinc plating, this bushing stands up to heavy-duty applications and harsh environments. Its rigid structure minimizes distortion under pressure, ensuring sustained performance over time. This makes it an ideal choice for use in industrial, warehouse, and mobility-focused settings where durability and alignment are critical.
The Durastar spanner bushing acts as a critical spacer between the axle bolt and wheel bearing, maintaining proper alignment and reducing friction during motion. This not only extends the life of the wheel assembly but also improves overall equipment efficiency by preventing unnecessary drag or component misalignment.
Its precise dimensions allow for a seamless fit within a wide range of wheel hubs, making it versatile for different assembly types. Whether you're outfitting carts, trolleys, or custom-built transport systems, this bushing offers the consistent quality and performance you can trust.
From light-duty machines to commercial and industrial carts, this steel spanner bushing delivers across a variety of applications. It is frequently used in:
When you need a spanner bushing that balances strength, precision, and long-lasting reliability, Durastar delivers. Choose this zinc-plated steel bushing for an upgrade in stability, alignment, and reduced maintenance over time.
This caster uses a top-plate mount. Measure your existing mounting holes before ordering; if you are replacing casters, match the bolt pattern - most standard patterns interchange across brands.
Rated for -20°F to 180°F. Operating outside the rated range can reduce wheel life and load capacity, so match it to your environment (wash-down, freezer, oven-adjacent, etc.).
We accept purchase orders and offer Net 30 on approved accounts, ACH, and all major cards, plus tax-exempt ordering with a resale or exemption certificate. Volume discounts apply automatically; request a bulk quote for large or recurring orders. Stock items carry a 30-day return policy in unused condition (made-to-order items are non-returnable once production starts).
$3.00
| Identification | |
| Brand | Durastar |
| Dimensions & Mounting | |
| Mount Style | Plate |
| Load & Performance | |
| Temp Range | -20°F to 180°F |
| Materials & Finish | |
| Frame Material | Zinc Plated Steel |
