... : as your request Seal Type: open,Z,ZZ,RZ,2RZ,RS,2RSSerise: 6800,6900,6000,6200,6300,618,628,bearing series,etcFeatures: hingh ... high speed electric motors.automotive components,pumps,machiney As a bearing manufacture,we can offer many kinds of bearings. 6000 series ... TYPE6800 series OPEN,ZZ and 2RS TYPE6900 series OPEN,ZZ and 2RS TYPE1600 series OPEN,ZZ and 2RS TYPE16000 series OPEN,ZZ and 2RS TYPE