... 2.GE...ES,GEZ...ES,GEEW....ES,GAC....S/K,GE...ES/K Series. 3.High rotation speed, low noise, spherical plain ... monthProduct CategoriesGE...ES,GEZ...ES,GEEW....ES,GAC....S/K,GE...ES/K Series. ColorGreen,blue or according to customersMaterialGCr15 or GCr15SiMn ...