One Way Clutch Bearings (also known as One Direction Bearings, Roller Type one way bearing clutch, or Freewheel Clutches) are mission-critical components for unidirectional power transmission in mechanical systems. Engineered to enable smooth rotation in one direction while instantly locking reverse motion, Suma's precision one way bearing clutch deliver zero-backlash directional cont... https://www.suma-china.com/product_category/Roller-Type-One-Way-Bearing.html