... years experience 2.Precision: p0,p6,p5,p4,p2 3.Gcr15/stainless steel 4.Sample accept Cylindrical roller bearing ... be ultra cooled.Specification of cylindrical roller bearing: ItemSpecificationsModelAll (0)3 seriesMaterialChrome Steel, Carbon Steel, Stainless steelBore size17-400mmOuter diameter47 ... -600mmPrecision GradeP0(ABEC-1), P6(ABEC-3), P5(ABEC-5), P4(ABEC-7), P2(ABEC- ...