... :GCr9,GCr15,GCr15SiMn high revolutions high accuracy low noise,small vibration angular contact ball bearing material:GCr9,GCr15,GCr15SiMn high revolutions high accuracy low noise,small ... vibrationangular contact ball bearing material:GCr9,GCr15,GCr15SiMn high revolutions high accuracy low noise,small vibrationItemsmm(kN)(kN)rpmkgdDBCrCorGreaseOil≈7000C102684.92 ...