... steel PrecisionP0,p6,p5,p4 Application Home appliances, low noise and high speed electric motors, automotive components, pumps, machinery, ... your requirement1.Assembly2.Windage test3.Cleaning4.Rotary test5.Greasing and gland6.Noise inspection7.Appearance inspection8.Rust prevention In addition ... self-aligning ball bearing has two rows of balls and a common concave sphered raceway in the outer ring. The ...