EGI Bearing ( Backing Bearings Manufacturer ): Our Senzimir brand bearing workshop CNC machine for grinding backing bearings. we are specialized in manufacturing backing bearings / sendzimir bearings, the run out is 0.001 mm P4 class, the working life is longer than world famous brands bearings and price much lower than theirs. Our Main products are Backing Bearings / Sendzimir Bearing, spherical roller bearings, taper roller bearings, cylindrical roller bearings, crusher bearings, rolling mill bearings and so on. More question please feel free to contact www.egi-bearing.com .