Material : Ceramic Model Number : 608 CE Model Number : 608 CE Bearing Material : Ceramic ZrO2 Ball Material : Ceramic ZrO2 Bearing Sizes : 8x22x7 mm Inner Diameter : 8 mm Out Diameter : 22 mm Width : 7 mm Lubrication : Free Running Free Grease Bearing Type : Full Ceramic Bearing Application : Fishing Reel Bearing Characteristics : Running Smooth Welcome to Lingfeng Store