0334332007 - ESAB SFBZ Ball Screw and Nut Assembly 633.5/69

Precision Linear Motion for ESAB Automation

The ESAB 0334332007 Ball Screw / Nut SFBZ 633.5/69 is a critical mechanical component designed for high-precision linear actuation within ESAB welding and cutting automation systems. As a genuine OEM replacement part, this assembly ensures that your machinery operates within the tight tolerances required for industrial fabrication. Ball screws are the preferred method for converting rotary motion from a servo or stepper motor into precise linear movement, offering significantly higher efficiency and lower friction compared to traditional lead screws.

This assembly features the SFBZ model nut, a flanged single nut design known for its robustness and ease of mounting. The recirculating ball mechanism within the nut allows for smooth travel along the threaded shaft, minimizing wear and heat generation even during high-duty cycles. The "633.5/69" designation typically refers to specific dimensional attributes of the screw length or travel and the nut configuration, ensuring a direct fit for the specific axis of the ESAB machine it is intended for. Maintaining the integrity of the linear drive system is essential for achieving consistent cut quality and weld seam tracking.

Industrial environments can be harsh on precision components. Dust, metal particulate, and thermal fluctuations can eventually degrade mechanical interfaces. Replacing a worn ball screw with this genuine ESAB unit restores the rigidity and accuracy of the drive axis. The assembly is manufactured from high-grade hardened steel, ground to precise standards to handle the dynamic loads and rapid acceleration rates common in modern CNC cutting tables and welding gantries. By choosing the OEM part, maintenance teams ensure seamless integration with existing bearing blocks and motor couplings, reducing installation time and calibration efforts.

Whether used in a Z-axis lifter, a transverse carriage, or a longitudinal drive, the 0334332007 provides the reliability expected from ESAB engineering. It is supplied as a matched set—screw and nut—to guarantee the correct preload and eliminate backlash, which is vital for preventing positional errors during complex contouring operations.