The slewing bearing, also known as the swing circle or slewing ring, is a critical component that connects the excavator's upper structure (house) to the undercarriage. It allows for 360-degree rotation under load. Proper maintenance and installation are paramount for the machine's performance, stability, and service life.
This 199-4620 slewing bearing is used for 330C 336D excavator.
Related part number:
199-4618
199-4621
