... 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 ... ,50010,0000.237010C50801626.621.86,7009,000 high quality angular contact ball bearing DAC286142