Roller Bearings

Roller bearings are mechanical components that help things spin smoothly by using small cylinders (rollers) to reduce friction. They work similarly to ball bearings but are designed for heavier loads.
Here is the simple breakdown:
• Uses Cylinders, Not Balls: Instead of round balls, these use small, sturdy rollers (shaped like tin cans or needles).
• Stronger and Sturdier: Because the rollers have more surface area touching the track (race) than the point-contact of a ball, they can support much more weight and handle tougher jobs.
• Keeps Heavy Things Moving: They are primarily used in heavy machinery, car engines, industrial gearboxes, and conveyor belts—anywhere there is a heavy load being spun or moved.
• Reduces Rubbing: Like ball bearings, they change sliding friction into rolling friction, making machines more efficient.
In short, a roller bearing is a robust component that uses rolling cylinders to support very heavy weights and ensure reliable, smooth movement in tough applications.