P&H
Slewing ring assembly for P&H R200
This slewing ring assembly facilitates the rotation of the superstructure on P&H R200 cranes. It serves as the primary connection point between the rotating upper works and the carrier chassis.
Compatible models
Specifications
- Part number
- 901J10-4
- Brand
- P&H
The slewing ring assembly, part number 901J10-4, enables the controlled rotation of the crane superstructure, including the cab, boom, and counterweight, relative to the carrier base. This component is engineered to support axial, radial, and moment loads generated during lifting operations, ensuring the stability and maneuverability of the machine during full-circle rotation.
This specific assembly is designed for the P&H R200 crane model. It acts as the critical structural interface that allows the upper assembly to pivot while maintaining the integrity of the connection between the rotating and stationary sections of the crane.
Slewing rings function as large-diameter bearings consisting of two rings, one fixed and one rotating, with rolling elements such as balls or rollers positioned between them. These rings often feature integrated gear teeth that interface with the swing motor pinion to drive the rotation. By distributing heavy loads across the circumference of the bearing, the slewing ring allows for smooth movement under significant stress. Regular maintenance, including lubrication and inspection of the mounting hardware, is necessary to ensure the continued operational safety of the rotation system.