Hub BearingAll products of Hub Bearing OD:20mm ID:9mm H:6mm (Ceramic) » PreviousNext » Model No EMA-JC699-2RS Catalogue Ceramic Bearing Kits Key Features Bearing specification:Inside diameter:9mm - Outside diameter:20mm - Width:6mm (JC699-2RS)Equipped with TRiPEAK bearing - race proven performance.Low noise. High speed. High temperature resistance.Both sides of the detachable single lip contact seal prevent contamination and maintain lubrication in the manufacturing process. Made inTAIWAN