Factory supply R330LC-9 excavator slewing bearing 81Q9-01021 Part no.: 81Q9-01021 Material:42CrMo/50Mn Hardness:55~62HRC Outer ring diameter:1526mm Inner ring diamter:1235mm Total height:122mm Teeth no.:90 weight:400kgs Warranty:1 year Application: hyundai excavator More types Hyundai excavator slewing bearing we manufacture: R55-5,R60-5,R55-7,R60-7,R70-7,R80,R80-7,R110LC-7,R130-5,R130-7,R140LC-7,R150LC-7,R150LC-9,R170-5,R190-5, R200W-7,R200,R200-3,R200-5,R205-7,R210-3,R210-5,R210-5D,R220-3,R220-5,R210-7,R210-9,R215-7,R225-7,R220-7,R200-7,R220-9,R225-9,R260-7,R265-7,R290-3,R300-5,R290-7,R305-7,R305-9,R320-7,R360-7,R335-7,R280. if you have needs of excavator slewing bearing, please contact us freely.