Find resources from the basics of brakes and bearings to diagnosing, wheel bearing service tips and bearing failure prevention and more.

Active vs Passive ABS Hubs

When changing hub bearings or testing ABS systems, it’s important to know what type of ABS system the vehicle has so that the hub bearing can be properly tested and replaced if required. As hub bearing technology continues to advance, certain tests that were once performed for Passive ABS systems are no longer performed in…


Front Hub Unit Bearing Assembly Identification for 2007 Chevrolet and GMC Trucks

When replacing hub unit assemblies on 2007 model year GM trucks it’s important to identify the correct body style truck platform. The identification will help clarify the correct choice for hub unit replacement. During model year 2007 GM made a mid-model year change. GM carried over the GMT 800 platform/body style and labeled these trucks…


Hub Installation: Generation 1

The Generation 1 hub unit is a double-row ball bearing with a one-piece outer ring and a split or two-piece inner ring. It is pre-adjusted, greased and sealed for long life. When replaced, it requires careful attention to the mating components and the press-fit and torque procedures for that specific application. The following information provides…


Hub Assembly and the Set Screw Hole

Certain OEM and Aftermarket hubs and rotors have a retention screw that holds the rotor to the hub assembly wheel flange. See Figure 1. The purpose of the retention screw is to aid in the vehicle assembly process at the factory. Depending on your application your vehicle may or may not have the retention screw…


Servicing Front Wheeled Tapered Roller Bearings and Seals

A step by step guide to servicing tapered roller bearings and seals.


Bearing Adjustment Basics

Proper bearing adjustment is essential in maximizing bearing service life


Bearing Contamination from Water and Debris

A quick reference for identifying the signs of water and debris contamination in bearings.


Prevent Bearing Failure

Get your customers the most out of their bearings with these tips to help avoid premature bearing failures.


Proper Bearing Cleaning Procedure

Following the proper procedure when cleaning bearings can make the difference between good performance, and failure and potential damage to the shaft and housing.


Set-Right® Hub Rebuild Kits

Timken Set-Right Hub Kits are the fastest and easiest way to get the right hub and bearing parts for heavy trucks and commercial vehicles.


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