Cord protectors, also called cord guards, are designed to slide onto and fit securely at the end of your cord. The firm rubber will protect the base of the cord from getting bent and pinched, which can expose the wires and become a safety hazard.
This Ball Bearing has metal shielding on both sides. This is a genuine Porter Cable replacement part that is sold individually. • Ball bearings are used to reduce friction between rotating parts. The balls or rollers take the load and spin, distributing the weight evenly while the minimal contact area of the ball reduces friction. This ...Read morereduces wear on the tool and allows it to run smoothly. • Bearings experience constant wear when the tool is in operation from pressure, heat, vibration and friction. Because of this, many Bearings need periodic maintenance or replacement.