The Nachi 6307-2NSE-C3 is a premium single-row deep groove ball bearing with a bore diameter of 35 mm, an outer diameter of 80 mm, and a width of 21 mm. It features double rubber seals on both sides for effective contamination protection and pre-lubrication with grease. The bearing has a C3 radial internal clearance, allowing for thermal expansion and smooth operation under varying loads. It is constructed with a stamped steel cage and Buna-N seals, supporting a dynamic load capacity of 33,500 N and a static load capacity of 19,200 N. The maximum speed rating is 6000 rpm with grease lubrication, suitable for high-precision, high-speed applications. The bearing is designed for durability and reliability in demanding industrial environments.