S-95090A129 1 1/4"-5 ASTM B505 Acme Lead Screws and Nuts

Key Features & Benefits at a Glance

• Superior wear resistance with 932 Bearing Bronze construction for extended service life in demanding linear motion applications
• Precise 0.2" linear travel per revolution enables accurate positioning and repeatable motion control
• Class 2G thread fit tolerance ensures smooth, low-friction operation with minimal backlash
• Right-hand ACME thread design provides reliable power transmission for standard industrial applications
• ASTM B505 compliance guarantees consistent material quality and manufacturing standards
• RoHS 3 exemption compliance maintains environmental standards while preserving optimal bronze alloy performance
• Round nut configuration offers versatile mounting options for various lead screw assemblies

Professional Applications & Engineering Value

This 1 1/4"-5 ACME threaded nut delivers exceptional performance in precision linear motion systems where reliability and durability are critical. The 932 Bearing Bronze composition provides natural lubricity and excellent wear characteristics, significantly reducing maintenance requirements in high-cycle applications. Engineered with Class 2G thread fit, this component ensures smooth engagement with lead screws while minimizing play and vibration. The right-hand thread direction and standardized ACME thread form make it ideal for industrial machinery, CNC equipment, and automation systems requiring consistent 0.2" travel per revolution. Its round nut design facilitates easy integration into various mounting configurations, providing engineers with flexible solutions for motion control challenges.

Specification Summary & Compliance

This precision ACME lead screw nut features 1 1/4"-5 thread size with Class 2G thread fit tolerance for optimal performance. Manufactured in compliance with ASTM B505 standards for copper alloy castings, ensuring consistent material properties and dimensional accuracy. The component is RoHS 3 (2015/863/EU) compliant under exemption 6(c) for lead in copper alloys, meeting environmental regulations while maintaining the mechanical advantages of bronze composition. The nut delivers 0.2" travel distance per turn with single thread start configuration, providing reliable linear motion transfer in industrial applications.