Hybrid bearings provided by SSYTT have following features: 1) Bearing rings: stainless steel or bearing steel, etc. 2) Balls: silicon nitride, zirconia or alumina, etc. 3) Cage: PTFE, PA, PEEK or stainless steel, etc. 4) Higher speed and acceleration, higher accuracy, high temperature usage, reduced lubrication requirements, low thermal expansion, extended operating life, etc.