tianjin tiemuken bearing Co.,Ltd sherry MAIL :shiw.sherry@gmail.com MSN:sherrywell@live.cn tel:+86-22-27681969 We can produce six series of bearings with diameters ranging from 200mm to 5, 050mm. Six series of bearings: 1) Single-row four point contact ball series 2) Three-row roller series 3) Single-row crossed roller series 4) Double-row ball series 5) Roller and ball combination series 6) Light type profile bearings