6204 Open Ball Bearing One Bearing 6204 Open Ball Bearing, bearing is made from Chrome Steel. inner diameter is 20mm, outer diameter is 47mm and Width is 11mmItem: 6204 Ball BearingType: Deep Groove Ball BearingClosures: OpenSize: 20mm x 47mm x 11mmInner Diameter: 20mmOuter Diameter: 47mmWidth: 14mmQuantity: One Bearing Dynamic load rating Cr: 12,700 NStatic load rating Cor: 6,550 NLimiting Speed: Grease Lubrication: 15,000 RPMOil Lubrication: 18,000 RPM