Reliable. Versatile. Built for Small Trailer Performance.

The Idler Hub 5 on 4.5 Bolt Circle (Mfg# 88545-5) is a dependable replacement hub designed for 2,000–2,200 lb trailer axles. Built to fit both BT8 (1") spindles and BTR (1-1/16") spindles, this hub offers flexible compatibility across a wide range of small utility, cargo, and boat trailers.

Engineered for smooth, free-spinning performance, this idler (non-brake) hub is perfect for trailers that do not require braking systems while still delivering strength and durability where it matters.

⚙️ Key Features

✔ Fits 2,000–2,200 lb Axles – Ideal for light-duty trailer applications
✔ Dual Spindle Compatibility – Works with BT8 (1") and BTR (1-1/16") spindles
✔ 5 on 4.5 Bolt Pattern – Standard fit for most 5-lug trailer wheels
✔ Pre-Installed Races (L44610) – Saves install time
✔ Pre-Installed 1/2"-20 Wheel Studs – Ready for wheel mounting
✔ Cupped & Studded Design – Durable and secure wheel connection
✔ Grease Cap Included – Helps protect bearings from contamination

📏 Capacity & Bearing Options

• 1,000 lb capacity using L44643 bearings
• 1,100 lb capacity using L44649 bearings

👉 This flexibility allows you to match the hub to your spindle setup while maintaining proper load capacity.

🛠️ What’s Included

• Idler hub (5 on 4.5 bolt pattern)
• Pre-installed bearing races (L44610 inner & outer)
• Pre-installed 1/2"-20 wheel studs
• Grease cap

⚠️ What’s NOT Included (Sold Separately)

• Bearings (L44643 or L44649 depending on spindle)
• Grease seal
• Spindle nut
• Spindle washer
• Wheel nuts

🔩 Installation Notes

• Must be fully assembled and greased prior to installation
• Verify your spindle size (BT8 vs BTR) before selecting bearings
• Always replace bearings and seals when installing a new hub for best performance

🚚 Common Applications

Perfect for:

• Utility trailers
• Small cargo trailers
• Boat trailers
• ATV / lawn equipment trailers

💡 Why This Hub?

This hub is a go-to solution when you need:

• A cost-effective replacement
• Flexible spindle compatibility
• Reliable performance without brakes

It’s especially useful for older or mixed-spec trailers where spindle sizes may vary.

🔥 Bottom Line

The 88545-5 Idler Hub delivers dependable performance, easy fitment, and broad compatibility for 2,200 lb class axles. Whether you're repairing or upgrading, this hub keeps your trailer rolling smoothly.

What sets us apart is our dedicated team of knowledgeable professionals who are always ready to assist. Great customer service isn't just a promise—it's the foundation of our success. We invite you to visit our showroom or reach out for personalized advice. Whether you're purchasing online or stopping by, we're here to make your trailer journey seamless. Visit Us Today

• Address: 4675 East Grand River Ave, Howell, MI 48843
• Phone: (517) 225-1991 (Call or text)
• Hours: Monday to Friday: 10:00 AM - 5:30 PM | Saturday: By appointment

Thank you for considering AAA Trailer. We're excited to help you hit the road with confidence! If you have any questions, don't hesitate to contact us.

To deliver your favorite products, we have partnered with the UPS & FEDEX . We are ready to entrust them with your orders and are always on your side if something goes wrong.

 We will be happy to assist you with eligible returns, the return instructions, and the shipping address. If you need a return or exchange, send us an email so we can discuss a replacement.