63805-2RS Bearing 25x37x10mm Sealed Ball Bearing63805 2RS Sealed Ball Bearing 25mm x 37mm x 10mm 63805 2RS Sealed Ball Bearing, 63805 2RS is made from Chrome Steel,63805 2RS bearing has built in rubber seals to protect the bearing from dust or any possible contamination,bearing is self lubricated bearing,63805 2RS bearing is already greased. 63805 2RS ball bearing Deep Groove Ball Bearing Closures: Rubber Seals Material: Chrome Steel Dimensions: 25mm x 37mm x 10mm Inner Diameter: 25mm Outer