513-1552: 139.7mm Outer Diameter Spacer Bearing

A Spacer Bearing is a small metal cylinder that fits into a skateboard wheel between the bearings. It is used to keep the bearings evenly spaced and aligned, which helps to improve the smoothness and performance of the wheels. Spacer bearings are typically made of aluminium or steel, and they come in a variety of sizes to fit different wheel sizes. Attributes: • Prevent lubricant from leaking out of the spacer bearing • Manufactured to precise specifications and are built for durability, and reliability Applications: A Spacer Bearing is used to hold bearings in place.