Cylindrical roller bearings are a type of rolling‑element bearing that uses cylindrical rollers to maintain line contact with inner and outer raceways. This design allows them to support significantly higher radial loads compared to ball bearings, while keeping friction and heat generation low.
Key Structural Features
- Line contact rollers for high radial load capacity
- Separable rings for easier mounting and dismounting
- Cage guidance to maintain roller positions
- Optional ribs for limited axial support
Why Cylindrical Roller Bearings Are Used
Their ability to carry heavy radial loads makes them suitable for large industrial machines, gearboxes, motors, and applications where durability and reliability are critical.
Difference from Other Bearings
Unlike ball bearings (point contact), cylindrical rollers have line contact, offering higher rigidity and load capacity at similar speeds.