321P Rubber Sealed 105x225x49 Ball Bearing321P Deep groove Sealed Ball Bearing 105 x 225 x 49 One Bearing 321 P Bearing is double sealed, radial and deep groove ball bearing, 321P is sealed and self lubricated, 321P bearing is made from Chrome Steel with chrome steel balls and steel cage. 321 P Ball Bearing Deep groove radial ball bearing Closures: Double sealed with rubber seals RS to protect the bearing from dust or any possible contamination Material: Chrome Steel Cage: Steel Balls: Chrome