Magnetic bearings are advanced bearings that use magnetic fields to levitate and support a rotating shaft without physical contact. They eliminate friction by suspending the shaft using electromagnetic forces, enabling high-speed rotation with minimal wear and maintenance. Magnetic bearings are classified into **active magnetic bearings (AMB)**, which use sensors and control systems, and **passive magnetic bearings**, which rely on permanent magnets. These bearings are widely used in applications requiring high precision and reliability, such as turbines, compressors, flywheels, and medical equipment. Magnetic bearings are valued for their ability to operate in extreme conditions, offer high efficiency, and eliminate the need for lubrication.

Plain bearings, also known as bushings or sleeve bearings, are a type of bearing that relies on sliding motion rather than rolling elements to reduce friction between two surfaces. They consist of a simple design, typically a cylindrical sleeve or a surface that supports and guides a moving part. Plain bearings can be made from materials such as metal, plastic, or composites, often with self-lubricating properties. Commonly used in applications like automotive suspension systems, machinery, and heavy equipment, they are valued for their simplicity, low cost, durability, and ability to handle high loads and shock absorption.

Needle roller bearings are a type of rolling-element bearing that uses long, thin cylindrical rollers resembling needles. These bearings are designed to support high radial loads in applications with limited space, thanks to their compact design and high load-carrying capacity. Needle roller bearings are available in various configurations, such as **drawn-cup**, **caged**, and **full-complement** types, to suit specific requirements. Commonly used in automotive transmissions, industrial machinery, and aerospace applications, they are valued for their lightweight construction, durability, and ability to handle high load capacities in tight spaces.

Thrust roller bearings are designed to handle high axial loads and are capable of operating at moderate speeds. They consist of cylindrical, tapered, or spherical rollers arranged to distribute load evenly across the bearing’s raceways. These bearings are classified into different types based on the roller shape, such as **cylindrical thrust roller bearings**, **tapered thrust roller bearings**, and **spherical thrust roller bearings**. Commonly used in applications like cranes, gearboxes, and marine propulsion systems, thrust roller bearings are valued for their durability, high load-carrying capacity, and ability to perform reliably under heavy axial forces and challenging conditions.

Thrust ball bearings are a type of rolling-element bearing designed specifically to handle axial loads while operating at moderate to high speeds. They consist of two raceways, a set of precision steel balls, and a cage to maintain ball separation. These bearings are classified into **single-direction** (handling loads in one direction) and **double-direction** (handling loads in both directions) types. Commonly used in applications like automotive clutches, turbines, and industrial machinery, thrust ball bearings are valued for their smooth operation, low friction, and ability to support high axial forces with precision.

Tapered roller bearings are a type of rolling-element bearing designed to support both radial and axial loads, especially in applications with combined loading conditions. They consist of an inner ring (cone), an outer ring (cup), and tapered rollers arranged so their axes converge at a single point, ensuring even load distribution. Known for their ability to handle heavy loads and resist thrust forces, these bearings are commonly used in automotive axles, gearboxes, and industrial machinery. Tapered roller bearings are valued for their durability, precision, and high load-carrying capacity under challenging operating conditions.

Cylindrical roller bearings are a type of rolling-element bearing designed to support high radial loads while allowing for moderate speeds. They consist of an inner ring, an outer ring, and cylindrical rollers guided by a cage, which reduces friction and ensures even load distribution. These bearings come in various designs, including single-row, double-row, and multi-row, to accommodate specific load and speed requirements. Commonly used in industrial machinery, electric motors, and gearboxes, cylindrical roller bearings are valued for their durability, high load-carrying capacity, and ability to handle misalignment and thermal expansion effectively.

Deep groove ball bearings are a type of rolling-element bearing designed to support radial and axial loads, as well as high-speed rotation. They feature an inner and outer ring, a cage, and a row of precision steel balls that run in deep grooves on both rings. Known for their versatility, durability, and low friction, deep groove ball bearings are widely used in applications such as electric motors, gearboxes, automotive components, and household appliances. Their simple design allows for easy installation, minimal maintenance, and efficient performance under various operating conditions.