14x28x8mm Ball Bearing - Sealed - Non Standard14x28x8mm Ball Bearing Double Sealed (Non Standard Size) 14mm ID x 28mm OD x 8mm Chrome Steel Deep Groove Design This 14x28x8mm deep groove ball bearing is a non standard size made from high strength chrome steel for long lasting performance. With double seals on both sides either rubber or metal depending on current stock its designed to keep out dust and debris while retaining lubrication for smooth, reliable rotation. 1 sealed ball bearing per pack