Most of the newer washers made in the last 10 - 15 years especially front load washing machines have bearings that help operate the machine. I have seen them spin on out anywhere between 800,000 to mil 200,000 miles I have seen overhauls last to mil 6 or 8 before needing liner rings and usually just gets overhauled since there but I would not of been scared to just use knowledge and little cleanup time and just re seal the motor if it would have had good bearings because everything else was very reusable.
Bearings are often specified to give an "L10" life (outside the USA, it may be referred to as "B10" life.) This is the life at which ten percent of the bearings in that application can be expected to have failed due to classical fatigue failure (and journal & thrust combined bearing not any other mode of failure like lubrication starvation, wrong mounting etc.), or, alternatively, the life at which ninety percent will still be L10 life of the bearing is theoretical life and may not represent service life of the bearing.

The first plain and rolling-element bearings were wood closely followed by bronze Over their history bearings have been made of many materials including ceramic , sapphire , glass , steel , bronze , other metals and plastic (e.g., nylon , polyoxymethylene , polytetrafluoroethylene , and UHMWPE ) which are all used today.
This type of roller design is like a cylinder to help distribute the load over the wide area. The steel ball thrust bearing is the most popular thrust bearing in the market. Bearings are also rated using C0 (static loading) value. From the transmission, steering and even the air conditioning a vehicle relies on bearings for a great deal of its operations.
Some applications apply bearing loads from varying directions and accept only limited play or "slop" as the applied load changes. These bearings can handle both radial and thrust loads but are usually used where the load is relatively small. The other additional components shields and seals enhance the performance and life of the ball bearing.

Replace the drum onto the axle spindle, insert the outer bearing, thrust washer and axle nut. The damaged front wheel bearings part more likely to make squealing, chirping or any other unusual sound. The outer race stays in the drum, while the inner race and roller bearings come out as an assembled unit.
To avoid this, we suggest that you order complete assemblies, which include the roller, pin, bearing (with AFLON lifetime lubricant) and screw, already assembled. Unit of 2 ball bearings. With the increase of cars, the requirements for car bearings also increase.
Now, let us examine where all ball bearings are located on an average kart. Wheel bearings of any generation have two important tasks in the suspension. By type of rolling elements it is divided into ball bearing and taper roller bearing. The ball thrust bearings are a practical choice when working with low-weight, low-speed applications.

Wheel bearings of the third generation are equipped with two flanges: one for direct mounting on the wheel and the brake disc and one for direct mounting on the suspension. To offset this reduction the raceways of a hybrid bearing could be made with closer conformities to obtain a larger contact area but this would then have a negative influence on the speed capability.
21 High speed turbochargers also typically require a pressurized oil system to cool the bearings and keep them from burning up due to the heat from the turbine. These bearing may not seem as advanced as those used in a car but they are bearings, the same. Houghton, P. S. Ball & Roller Bearings.