The HGT Thin Section Bearings open series refers to the bearings that do not have shields or seals. It is preferred when the bearings are not exposed to a severely polluted environment. Two materials are applied for the open style: GCr15 and stainless steel. Because of its characters such as small space, lightweight, and low friction, the open type of Thin Section Bearing is used widely for the textile printer, medical device, rotary tables, radar, communication, aircraft, aerospace, astronomy instrumentation, and Industrial robotics, etc.