Stamped outer ring needle roller clutch, commonly known as one-way bearing or one-way needle roller bearing, is a thin-walled outer ring, cage, spring sheet stretched from low-carbon steel or other special materials (carbon steel and alloy steel). Bearings that move in one direction with needle rollers can be used as converters, non-return devices, and overrunning clutches. They are widely used in fitness equipment, money counters, washing machines, fishing gear, dishwashers, placement machines, textile machines, and sweepers. Infuriating people, toy cars and other transmission parts that need to play a backstop function.