Self-aligning ball bearings PerformanceZYS self-aligning ball bearings can bear larger radial load and certain axial load. Annular oil groove and three oil holes can be machined on outer ring to improve lubrication. ZYS self-aligning ball bearings are applicable to carry heavy load and impact load,Website:://.zys-bearing.com, such as precision instruments, low-noise motors, automobile, metallurgy, rolling mills, and other general machinery industries.