Trailer Wheel Bearing Size Chart (by Trailer Type)

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Trailer Wheel Bearing Size Chart: The Complete Guide

Properly sized trailer wheel bearings are crucial for the safety and performance of your trailer. This article provides a comprehensive trailer wheel bearing size chart to help you determine the correct bearing for your specific application.

Trailer Wheel Bearing Size Chart (by Trailer Type)

Trailer Type	Wheel Bearing Size (Inner/Outer)
Single-axle utility trailer	1-1/8" x 2-1/4" / 1-1/4" x 2-7/8"
Tandem-axle utility trailer	1-1/2" x 2-1/2" / 1-3/4" x 2-5/8"
Travel trailer	1-3/8" x 2-1/4" / 1-1/2" x 3-5/8"
Fifth-wheel trailer	1-1/2" x 2-3/4" / 1-5/8" x 3-1/2"

Trailer Wheel Bearing Size Chart (by Hub Size)

Hub Size	Wheel Bearing Size (Inner/Outer)
4"	1-1/8" x 2-1/4" / 1-1/4" x 2-7/8"
5"	1-1/2" x 2-1/2" / 1-3/4" x 2-5/8"
6"	1-3/8" x 2-1/4" / 1-1/2" x 3-5/8"
7"	1-1/2" x 2-3/4" / 1-5/8" x 3-1/2"

Stories of Benefits

Story 1

trailer wheel bearing size chart

Benefit: Improved Safety

How to: By using the correct bearing size, you can avoid premature bearing failure, which can lead to accidents.

Story 2

Benefit: Enhanced Performance

Trailer Wheel Bearing Size Chart (by Trailer Type)

How to: Correctly sized bearings reduce friction and heat buildup, which improves fuel efficiency and overall trailer performance.

Story 3

Benefit: Extended Lifespan

How to: Using the proper bearing size ensures adequate load-bearing capacity and prevents excessive wear, extending the life of your bearings and trailer.

Effective Strategies

Always refer to the manufacturer's recommendations for the correct bearing size.
Use high-quality bearings from reputable brands.
Regularly inspect and repack your bearings according to the manufacturer's guidelines.
Replace bearings if they show signs of damage or wear.

Tips and Tricks

Use a bearing press to install and remove bearings.
Apply a thin layer of grease to the bearings before installation.
Use a torque wrench to tighten the bearing nuts to the specified torque.

Common Mistakes to Avoid

Using bearings that are too small or too large.
Over-tightening bearing nuts.
Not repacking bearings regularly.
Ignoring signs of bearing damage.

Advanced Features

Some bearings are available with pre-greased seals for extended maintenance intervals.
High-performance bearings are available for heavy-duty applications.

FAQs About trailer wheel bearing size chart

Call to Action

Contact us today for a free consultation and to determine the correct trailer wheel bearing size chart for your application. Our team of experts can help you choose the right bearings for your needs and ensure the safety and performance of your trailer.