ZRO2 Zirconia Ceramic Ball G10 Grade High-Precision Solid Bearing Ball 1mm-30mm
Material: ZrO2 zirconia. Accuracy: G10. The strength is twice that of bearing steel, the elastic modulus is about 1/3 higher, the Vickers hardness of ordinary bearing steel is 800HV, and the hardness of zirconia ceramic balls is above 1700HV.