Trailer Parts Pro Pre-Greased Idler Hub Assembly – 5 on 4.5″ – Fits 3,500 lb Trailer Axles – #84 Spindle

Trailer Parts Pro Pre-Greased Idler Hub Assembly

Replace a worn trailer hub or complete a new trailer build with the Trailer Parts Pro Pre-Greased Idler Hub Assembly. Designed for 3,500 lb trailer axles using a #84 spindle, this complete hub assembly features a 5 on 4.5″ bolt pattern and comes pre-greased, pre-assembled, and ready for installation. Bearing races are factory installed, helping reduce installation time and eliminate the need for a shop press.

Ideal for utility trailers, cargo trailers, boat trailers, landscape trailers, and many other light-duty trailer applications, each hub is rated for 1,750 lbs and includes premium bearings, races, grease seal, grease cap, rubber plug, and lug nuts for dependable performance and long service life. Simply install onto your #84 spindle using your existing spindle nut and washer or replace them if needed.

What’s Included

• (1) 5 on 4.5″ Pre-Greased Idler Hub Assembly
• (1) L68149 Inner Bearing – 1.378″ ID
• (1) L44649 Outer Bearing – 1.063″ ID
• (1) L68111 Inner Race – 2.361″ OD (Installed)
• (1) L44610 Outer Race – 1.980″ OD (Installed)
• (1) 10-19 Grease Seal – 1.719″ ID × 2.565″ OD
• (1) 46749 Grease Cap – 1.986″ OD
• (1) 21-41-1 Grease Cap – 1.986″ OD
• (1) 85-1 Rubber Grease Plug
• (5) X1023R Coned Lug Nuts

Common Applications

This hub assembly is commonly used on 3,500 lb utility trailers, cargo trailers, enclosed trailers, boat trailers, landscape trailers, ATV trailers, and other light-duty trailer applications equipped with a #84 spindle and a 5 on 4.5″ wheel bolt pattern.

Need Help?

Questions about fitment, bearings, seals, installation, or selecting the correct hub assembly? Our trailer experts are here to help.

Call or Text: (602) 292-9690
Email: sales@johnsontrailerparts.com