5200-2RS Angular Contact Sealed 10x30x14.3mm Ball Bearing5200 2RS Angular Contact Ball Bearing One Bearing 5200 2RS Double row Angular Contact Ball Bearing, features dual rubber seals for enhanced protection against dust and contaminants, this is self lubricated bearing (bearing is already greased), bearing is made from Chrome Steel. 5200 2RS Ball Bearing Sealed Double Row Angular Contact Ball Bearing Inner Diameter: 10mm Outer Diameter: 30mm Width: 14. 3mm Size: 10 x 30 x 14. 3 mm Closures: Two Rubber