90mm Pulley Wheel Bearing Grooved Edge Wearproof Nylon Cable Machine Part Home Gym Smith Machine Attachment Abration Door Garage Weight Lifting Pulley Equipment (2 Pieces)

- 6202zz Metal bearing located at the center of the pulley wheel. the pulley bearing allows for the smooth, continuous rotation of pulley wheel, while simultaneously reducing resistance and heat from friction.
- The pulley wheel seat up to 7mm rope or cable perfectly. The rope fits the wheel groove exactly.
- Ideal for replacement roller of sliding window, door, garage, barn, weight machine, cable machine, any pulley lifting system.
- Deep groove 6202 series metal ball bearing inside, flexible, compression wear. Smooth motion, high printing precision, low noise, can greatly improve the printing speed.
- The pulley wheel is easy to take apart and clean and re-lube if needed.
- The pulley wheel is an essential part of pulley system, through which a rope or other cord is wound. One end of the rope is usually anchored to a weight or other load, and when the free end is pulled the wheel changes the direction of the applied force and makes it much simpler to lift the attached weight.