Bore Size:0 - 85 mm Outside Diameter:0 - 150 mm Precision Rating:P2 P4 P5 P6 P0 Seals Type:open, seal of Row:Single Row material:GCr15 lubrication:oil, grease vibration:V1,V2,V3,V4 noise level:Z1 Z2 Z3 Z4 clearance:C0,C2,C3,C4,C5 hardness:HRC58-62 certificate:ISO9001:2000