How to Remove Your Roller Skate Bearings Without a Tool - RollerSkateNation.com
Bullet Skateboard Trucks Wheels and Bearings Assembly 145mm 8.25"
Wheel Bearings Guide for Surfskating
608RS Bearing, 8x22x7mm ABEC-9 Red Sealed with Grease Ball Bearings, High Speed 608-2RS for Skateboard (Pick of 8 Pcs): Amazon.com: Industrial & Scientific