
Electric Mobility
Electric mobility involves the use of electric vehicles (EVs). To ensure smooth operation, electric vehicles require efficient and reliable components. To reduce friction and support rotational movements, bearings are crucial in these applications.
1. Ball Bearings:
These bearings are commonly employed in electric vehicles. The separation of steel balls by a cage is meant to reduce friction between moving parts such as wheels, motor shafts, and gearboxes. The smooth rotation and reduction in energy losses can be achieved by using ball bearings.
2. Roller Bearings:
Roller bearings have a better capacity to handle heavier loads and higher speeds than ball bearing Cylindrical or tapered rollers replace balls in distributing the load and handling radial or axial forces.es. In EV motors, Roller bearings are a common choice for supporting the rotor shaft in EV motors.
3. Thrust bearings:
Thrust bearings are frequently employed by electric vehicles to regulate axial forces. This type of bearings can handle thrust loads that are parallel to the bearing’s axis and prevent excessive axial movement of rotating components. In electric powered car gearboxes and different applications that need axial load assist, thrust bearings are employed.
4. Sleeve Bearings:
A cylindrical shaft rotating inside a metal sleeve or bushing is the basis of plain bearings, which are also known as sleeve bearing. They find application in motor mounts, suspension components, and other areas with low speed and light to moderate loads are used.
5. Magnetic Bearings:
Magnetic bearings use electromagnetic forces to keep a rotating shaft in place without any physical contact. These bearings, which are commonly used in high-performance electric motors, are known for providing exceptional speed, reducing friction, and eliminating mechanical wear.
6. Ceramic Bearings:
Ceramic bearings use ceramic balls or rollers instead of the usual steel bearings. Higher strength, lower friction coefficients, corrosion resistance, and ability to withstand higher temperatures are the reasons for their superior performance. Certain EV motor designs use ceramic bearings to improve efficiency and reduce weight.