High-Quality Dissidence Bearing Spacer - Durable Industrial Shaft Spacer for Machinery & Automotive Applications - Perfect for CNC, Robotics, and Heavy Equipment Maintenance

These are sold individually! Bearing spacers are very important because they make your wheel bearings last longer. Without a bearing spacer, breaking your bearings is inevitable. Pick two of these up if you purchase some skateboard bearings, as they don't come with any spacers.