638-2RS Ball Bearing - 28x8x9mm Rubber Sealed ABEC3 Chrome Steel Bearing

This 638-2RS ball bearing is serious quality for all kinds of applications! With dimensions of 28mm outside diameter, 8mm inside bore, and 9mm width, it's a standard size that works in countless devices and equipment. The ABEC3 tolerance rating means precision manufacturing for smooth, reliable performance. The rubber seals on both sides (that's what the 2RS means) keep grease in and contaminants out, extending the bearing's life significantly. Made from chrome steel (Gcr15) that's built to handle substantial loads and speeds - it can handle up to 28,000 RPM with grease lubrication. Perfect for electric motors, skateboards, industrial equipment, or any application where you need a dependable 638 size bearing. The EMQ (Electric Motor Quality) rating means it meets higher standards for vibration and noise control. Your equipment performance is about to get smoother and more reliable with this quality bearing!