Definition and function of bearings

Importance of bearings in machines and equipment

Friction, wear, and load considerations

Rolling Element Bearings

• Ball bearings (deep groove, angular contact, thrust)

• Roller bearings (cylindrical, spherical, tapered, needle, thrust)

Plain Bearings (Bushings/Journal Bearings)

Magnetic and Fluid Film Bearings

Comparison of bearing types (advantages, limitations, applications)

Bearing rings, rolling elements, cages, and seals

Bearing materials (steel, ceramics, composites, polymers)

Surface treatments and coatings

Load capacity (radial, axial, combined)

Speed rating and operating conditions

Alignment and misalignment considerations

Environmental factors (temperature, contamination, corrosion)

Standards and manufacturer guidelines (ISO, ANSI, DIN)

Importance of lubrication in bearings

Oil vs. grease lubrication

Solid lubrication and advanced lubrication methods

Lubrication intervals and best practices

Centralized lubrication systems

Proper handling and storage of bearings

Mounting and dismounting methods (thermal, hydraulic, mechanical)

Tools and equipment for installation

Alignment practices

Preventive and predictive maintenance

Common bearing problems (overheating, vibration, noise, wear, spalling)

Condition monitoring techniques (vibration analysis, thermography, ultrasound, oil analysis)

Root cause analysis of bearing failures

Automotive, aerospace, railways, and marine

Heavy industries (steel, mining, cement, oil & gas)

Power generation and wind turbines

Robotics, precision machinery, and medical devices

Ceramic and hybrid bearings

Self-lubricating and maintenance-free bearings

Smart bearings with sensors for IoT monitoring

High-performance coatings for extreme environments