0730 008 520-32 Main Shaft Bearing Adjustment Shim

0730 008 520-32 Main Shaft Bearing Adjusting Shim is a precision adjusting component for ZF 12TX series 12-speed AMT gearboxes. It is installed at the fitting position of the main shaft bearing to fine-tune clearance and calibrate coaxiality and axial clearance.

Made of high-toughness and high-precision material, it is impact-resistant and not easy to deform, maintaining stable thickness under long-term high and low temperature working conditions.

It can precisely control the bearing preload, reduce operating jitter and transmission abnormal noise, and prevent premature wear of gears and bearings.

With original factory standard specifications and great compatibility, it can be selected as required during maintenance and assembly, ensuring the assembly precision and service life of the gearbox assembly.

This original ZF main shaft bearing adjusting shim is precisely stamped from high-hardness cold-rolled steel plate. It features uniform thickness, high flatness and strong resistance to bending and deformation.

With a smooth, burr-free surface, it is wear-proof and rust-resistant, and will not compress or collapse under load.

It is mainly used to precisely adjust the mounting clearance of the main shaft bearing and correct axial play, ensuring smoother and quieter transmission operation.

Suitable for heavy-duty and high-frequency shifting conditions, it adopts precise standard dimensions to perfectly match original factory assembly tolerances. Easy to install, it effectively prevents gearbox abnormal noise, loose fit and abnormal component wear, making it an essential precision shim for gearbox assembly and maintenance.