Deep groove ball bearings for internal combustion engineDeep groove ball bearings type Number:6000Series,6200Series,6300Series,6700Series,16000Series,6800Series,6900Series,1600Series,1600Series, wider Series, Inch R series,MR Series,RLS series,RMS series) Bearing No. Dimensions(mm) Weight (kg) Bearing No. Dimensions(mm) Weight(kg) d D B d D B..