309P Sealed 45mm X 100mm X 25mm Ball Bearing309P single row Radial Bearing 45x100x25 309P single row Radial Bearing. 309P 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 P Closures : Two Rubber Seals Brand : VXB Type : Deep groove ball bearing Size: 45mm ID x 100mm OD x 25mm wide Inner (ID) : 45mm Outer (OD) : 100mm Width : 25mm Static