Link-Belt
Center pinion bearing for Link-Belt LS278-H
This center pinion bearing is designed for the Link-Belt LS278-H crawler crane. It facilitates the rotation of the central pinion gear within the transmission or swing system, part number 3H2074.
Compatible models
Specifications
- Part number
- 3H2074
- Brand
- Link-Belt
The center pinion bearing supports the rotation of the central pinion gear, which is a primary component for transmitting power within the drivetrain or swing mechanism of heavy machinery. By reducing friction between moving parts, this bearing allows for controlled rotation while managing the radial and axial loads generated during operation. It serves as a critical interface within the gear assembly, ensuring that power is transferred effectively from the engine to the tracks or the superstructure swing system.
This component is engineered for the Link-Belt LS278-H lattice boom crawler crane. It is manufactured to meet the specific fitment requirements for the pinion and housing assembly of this model. The bearing is designed to handle the mechanical stresses encountered during heavy lifting and displacement tasks typical for this type of crane. Proper installation and lubrication are necessary to maintain the alignment and operational efficiency of the gear train.
In general, bearings of this type are used in heavy equipment to maintain the precise positioning of rotating shafts and gears. They are constructed to withstand the loads and rotational speeds inherent in power transmission systems, preventing direct contact between metal surfaces and helping to distribute forces evenly across the assembly.

