Vxb brand 6802 full ceramic ball bearing si3n4 pack of 30 6802 full ceramic ball bearing the inner diameter is 15mm outer diameter is 24mm and the width is 5mm this is a popular size that could be used in many applications bearing is made of ceramic. Item: 6802 ball bearing type: full ceramic ball bearing inner outer races: si3n4 ceramic balls: s3n4 ceramic cage: ptfe dimensions: 15mmx24mmx5mm metric id inner diameter bore: 15mm od outer diameter : 24mm width height thickness: 5mm size: 15x24x5m quantity: 30 bearings vxb category: full ceramic bearings