
The CASE CX55 Slew Bearing (OEM P/N PY40F00002F1) is a high‑precision slew ring engineered to restore smooth, reliable rotational motion in the upper‑structure of the CX55 excavator. Designed to rigorous OEM quality standards, this essential component ensures optimal performance and long service life.
Premium Slewing Bearing: Engineered to deliver low‑friction rotation and robust support for heavy, slow-turning loads typical of the CASE CX55.
Swing Gear Interface: Precisely machined swing gear teeth—also referred to as swing circle, swing bearing, turntable bearing, or slewing circle—ensure perfect meshing with the swing drive pinion for torque transmission and smooth swing operation.
Slew Bearing, Slewing Ring, Turntable Bearing
Swing Circle, Swing Bearing, Turntable Circle
Swing Gear (the toothed interface between the slewing ring and swing gearbox)