Bearings are a crucial tribological component of many types of machinery and exist in a variety of forms and shapes. They can be defined as a machine element that supports/permits only a specific type of motion (restriction of degrees of freedom) in a system that may be under static or dynamic loading.

• Deep groove ball bearings
• Angular contact ball bearings
• Self-aligning ball bearings
• Spherical roller ball bearings
• Cylindrical roller bearings
• Thrust ball bearings
• Tapered bearings
• Ball bearing units