S-3405N138 3/4"-4 x 2 15/16" Fast-Travel Ball Screws and Nuts

Key Features & Benefits at a Glance

• Enhanced Motion Efficiency with 0.5" travel per turn for rapid positioning and reduced cycle times in automated systems.
• Exceptional Load Handling with a 3400 lbs dynamic thrust capacity for reliable performance in high-demand industrial applications.
• Superior Durability from black-oxide alloy steel and Rockwell C56 hardness, resisting wear and corrosion in harsh environments.
• Precision Movement Control with low maximum backlash of 0.015" ensuring accurate, repeatable positioning.
• Wide Temperature Resilience operating from -40° to 300° F for stable performance in extreme conditions.
• Easy Integration featuring a flange nut with 4 mounting holes for straightforward, secure installation.
• Optimized Thread Design with 2-start ball threads providing smooth, efficient power transmission.

Professional Applications & Engineering Value

This 3/4"-4 ball screw with flange nut is engineered to solve critical challenges in precision motion control systems. Its black-oxide alloy steel construction and Rockwell C56 hardness deliver long-lasting performance, minimizing maintenance in demanding environments like CNC machinery, automated assembly lines, and material handling equipment. The fast-travel design, achieving 0.5" per turn, significantly boosts operational speed while the right-hand thread and ball screw technology ensure smooth, low-friction movement. With a robust dynamic thrust load capacity of 3400 lbs, it supports heavy loads reliably, making it ideal for industrial applications where precision, durability, and efficiency are paramount.

Specification Summary & Compliance

This ball screw assembly features precise dimensions including a 2 15/16" length and 1 5/16" diameter, with thread specifications of 3/4"-4 ball thread type. It adheres to standard inch measurement systems and is designed for consistent performance with a maximum backlash of 0.015". The product is manufactured to meet industry standards for quality and reliability, ensuring compatibility with various industrial systems. Materials and processes comply with relevant regulations such as RoHS and REACH, supporting safe and sustainable use in professional settings.