说明:适用于以水为润滑介质的各种类型船舶。 轴向串动≤1mm时,可选用SM型: 轴向串动≤±3mm时,及转速较高时可选用SMB型。 Remarks: It is suitable for kinds of vessels whose working medium is water. When the axial vibration≤1mm,the SM type can be used; When the axial vibration≤±3mm and then speed is high,the SMB type can be used.