Tips For Servicing Tapered Roller Bearings

 

It would be difficult to locate a free-spinning wheel that can support any kind of load without using a greasable tapered roller bearing. They are found on farm equipment's non drive wheels, trailers, and the front wheels of automobiles.

In applications with strong thrust and radial forces, tapered roller bearings perform exceptionally well. To fight with axial forces, they are typically utilized in pairs—the inner and outer bearings on a wheel. Additionally, they distribute the weight to the roller surface more evenly.

The roller bearing was patented in 1895 by Wilmot, Indiana farmer John Lincoln Scott, and the tapered design was created a few years later by Henry Timken. The inventiveness of American farmers gave rise to the roller bearing!

Proper maintenance will ensure that tapered roller bearings survive a long time and give great service—often outlasting the machine to which they are mounted. All you need to keep them going is the advice that follows!

Preload, grease, and cleaning are the three essentials for long wheel bearing life. Despite their inherent connections, these three domains require independent investigation.

It is not unusual to come across a trailer or wagon with a damaged or missing bearing grease cap. In addition to preventing dirt and moisture from entering the bearing, which would hasten wear, the grease cover also prevents any grease that would melt from heat loss.

In the event that the grease becomes pliable, it will be retained in the cap and may re-enter the rollers when the wheel is turned. The grease cap needs to be well-fitting, completely seated against the hub, and structurally sound.

Wheel bearings require maintenance. This means removing it, cleaning it with chemicals, and letting it dry naturally. After thoroughly inspecting the roller, cage, rings, and race for wear, pitting, or discolouration, they must be repacked with the appropriate grease.

Using a bearing-packing tool to lubricate a wheel bearing is the most efficient and straightforward method. Grease is forced up into the spaces between the rollers, cage, and inner and outer rings using either manual pressure or air pressure. Grease will be driven out from between the rollers and the cage when it is packed correctly, and it will extrude on the side where the rollers meet the inner and outer rings.

What kind of grease do you use?
Using the right grease on a tapered bearing is also crucial. I dislike bearing packers that are fed by a grease gun because of this. The universal grease found in most grease cartridges lacks the chemical composition needed for a wheel bearing to last for miles at 75 mph on a road.

Furthermore, some manufacturers specify a certain wheel bearing grease. I am aware that a special formulation is needed for Ford and a lot of other brands. Typically, each type of wheel bearing grease has a unique hue. Wheel bearing greases come in black, red, and the classic honey tint, along with maybe a few more.