Engineering & Construction Machinery PartsChina Tower Crane Slewing Ring (9E-1B40-1213-0433) External Gear Turntable Bearing, Find details about China 9e-1b32-1086-0530, 9e-1b57-1165-0388 from Tower Crane Slewing Ring (9E-1B40-1213-0433) External Gear Turntable Bearing