Number of Row:Single Row Bearing Material:Original Korea ball bearing kbc f-846067.01 for high precision machine Cage:Brass Cage, Nylon Cage, Iron Cage Number of row:Single-row/Double-row/Multi-row Vibration level:V1, V2, V3 Noise level:Z1, Z2, Z3 Clearance:C2 C3 C4 C5 Size:56*86*22mm Hardness:Chrome steel HRC60-HRC65 Certificate:ISO9001:2008 Service:OEM Customized Services Show More