E type spherical roller bearings is the most optimal reinforced structure design at present .It is made up of two rows symmetrical rollers and guide rings between floating through the two columns rollers,inner ring without ribs, two hardened stamping cage . The features is high dynamic load rating and longer working life than traditional structures bearing under the same conditions rated life . 

   WSBC 21309 EK bearing widely used in metallurgy, electric power,mining machinery, Chemistry, Textile machinery . We are professional spherical roller bearings manufacturer , we can quick supply high quality WSBC 21309 EK bearing with favorable price , if you want to know more details for WSBC 21309 EK , pls feel free to contact us .