5304-2RS Angular Contact Ball Bearing One Bearing 5304-2RS Double-row Angular Contact Ball Bearing, each 5304-2RS bearing has 2 Rubber Seals to protect the bearing from dust or any possible contamination, 5304-2RS bearing is self lubricated bearing (bearing is already greased).5304-2RS bearing is made from Chrome Steel. * Item: 5304-2RS Bearing * Type: Double-Row Angular Contact ball bearing * Closures: 2 Rubber Seals * Dimensions: 20mm x 52mm x 22.2mm/Metric * inner diameter: 20mm * outer diameter: 52mm * Width: 22.2mm * Size: 20 x 52 x 22.2 mm * Quantity: One Bearing * Dynamic load rating Cr: 4,650 LBS * Static load rating Cor: 2,850 LBS