Zirconia Ceramic External Spherical Bearing Long Life ID 17/20/25/30/35/40/45/50
Material： ♦Bearing Ring：Zirconia Ceramic. ♦Rolling Ball：Zirconia Ceramic. As the Density of Ceramic Rolling Ball Is Lower than Steel, the Weight Is Much Lighter, so the Centrifugal Effect of the Outer Ring Can Be Reduced by 40% When Rotating, and Thus the Service Life Is Greatly Extended.