... bearings, cylindrical roller bearings, deep groove ball bearings,spherical roller bearings, thrust ball bearings and so on.MaterialGCr15 /GCr15SiMnBore diameter100mm-1200mmTaper roller bearings Serie Bearings ... bearings Serie BearingsBore Diameter(mm)Bearing SeriesBore Diameter(mm) 61800140-10006200100-1000 61900140-10006300100-1000 16000150-10006400100-1000 6000100-1000 Excavator special bearings ...