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How To Clean Tapered Roller Bearings?

The bevel bearings that are normally seen on older motorcycles can be removed, but you must wear safety goggles when working with the tools and protect the skin when applying the grease with nitrile rubber gloves. Before you can lubricate the wheel bearing of your bike, you should get the type of wheel carrier recommended by the motorcycle manufacturer before you start work. 

Buy a non-flammable cleaning solution from a car parts store and pour it into a coffee can or glass. Once removed, wash with a can of solvent and dry in a cool, dry place with a compressed air cloth. 

If you use a cloth to dry, you can leave fluff on the wing, which you do not want to do. If you are wearing safety gloves, spill the wheel up and down with a towel to wash old grease from the wheels and bearings. 


If the fat contains silver particles or the roller is pitted, replace the bearings. As you can see here, these bearings are usually in good condition, but not yet fully operational. Check the tapered roller bearings on the front and rear axles and at the rear and check for pitting. 

When you repack the bearings with fresh fat, you don't want the old fat to spoil the new. If you have a lot of fat on your stools that you rarely see, then fat is probably the better choice. 

With bevel bearings, the choice of lubricant is not as important as the quantity you use. Oil is generally a good choice for tapered bearings with a lot of greases, but if your hub is designed for oiled bearings, oiling is not recommended at all. 

Tapered roller bearings must be pressed into the axle shaft and sealed with typical axle grease and lubrication. They are usually not pressed onto the axles but into the housing and lubricated with gear oil or differential housing. 

When it is time to replace a bearing part, the type of bearing or bearing assembly you need will depend on how you have designed your vehicle accurately from the outset. Focusing on getting the right component the first time saves you time, money, and frustration. 

One option that requires minimal tools is to support the hub with a wooden block and press it onto the bearing with a hammer or brass drift. Make sure the tool only touches the bearings and does not push against the inside of the hub, as it may break apart. If a bearing does not dissolve easily, heat the hub bearing with an electric hot air gun as this helps expand the metal and allows the bearings to be removed and installed more easily. 

The trick is to put the bearings in a freezer for a few hours and shrink the freezer when you drop it back into the hub. Next, you will see the washer and the pin that fit into the slot in the hub, as well as the pin on the back of the bearing. 

Then you come to the outer wheel bearing unit, followed by the cleat nuts and bolts that fit in, the so-called bearing race. Once you have the bearings in your hand during the race, you have to move the brake drum with its protruding lugs to the right position on the wheel. 

In newer models, you will find roller bearings shaped like pins, but some rollers seem to have a cylindrical shape and one side is conical. 

Taped bearings are used in the wheel bearing assemblies mounted on the inside of the wheel hub. Some automakers use tapered bearings and others that connect the assemblies side by side in opposite directions. If the bearing unit is conical – shaped because physics allows you to handle this shape, then you can put them in the same position as the rolls. 

In some cases, there are sealed units that never need lubrication, but others are designed for maintenance and have a replaceable grease seal that changes every time the bearings are repackaged with grease. Some front hubs use bearing assemblies on the inside of the wheel hub because the weight of the vehicle is more forward-distributed and the lateral forces that occur when the wheels are turned can be strong. 

Some vintage car collectors have both front and rear tires, but the rear rarely requires maintenance. As early as 1932, Chevrolet warned against lubrication and recommended the use of normal oil and grease for the front axle and oil – let's forget the oil for the rear axle. When the car was built, both were permanently lubricated, so that they rarely had to be serviced even in the first years of life. 

Symptoms are often caused by excessive heat in the wheel bearings and grinding or roaring from the tire area. It is said that the lubricant is deposited on the wheels, but it is more the result of excess oil and grease. 

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