Xinzhou Bearing Industry: We are a specialty/Custom bearing Manufacturer, specialized in full ceramic bearing, hybrid bearing, thin section bearing. Bearing (Inch&Metric Size)made from ceramic (si3n4/zro2),stainless(440c/316) or chrome steel (SAE52100 steel);Tolerance ABEC1,3,3,7.level. We work directly with our engineers can help you with bearing, shaft, and housing tolerances as well as semiconductor applications, cryogenic applications, extreme hostile environments, and extreme delta T temperatures environments.