309PP 45mm X 100mm X 25mm Sealed Ball Bearing309PP single row Radial Bearing 45x100x25 309PP single row Radial Bearing 45 mm ID x 100 mm OD x 25 mm wide. 309PP Bearing is made from Chrome Steel, each bearing has 2 Rubber seals to protect the bearing from dust or any possible contamination, this is self lubricated bearing (bearing is already greased). Item Sku : 309 PP Brand : VXB Type : Deep groove ball bearing Inner (ID) : 45mm Outer (OD) : 100mm Width : 25mm Inner Inch : 1. 772 Inch Outer Inch