Description Set of 2 6300-2RS (6300RS) sealed scooter wheel bearings. This is a widely used size bearing and it can be used in various applications. Made from chrome steel, these bearings can rotate up to 16,000 RPM. Each bearing has 2 rubber seals to protect the bearing from dust or any possible contamination. Bearings are pre-lubricated with grease. The 6300-2RS wheel bearing is an upgraded bearing to be used in place of the 608ZZ wheel bearing. 6300-2RS bearings use rubber seals in place of metal shields for superior protection against dirt, dust, and grime, thereby increasing the lifespan of the bearings. Specifications Diameter (Outer): 35 mm Diameter (Inner): 10 mm Width: 11 mm Compatibility Drive Medical Daytona 3 GT (S35005GT/S35006GT)