S-2221N14 Threadless Lead Screw Nuts

Key Features & Benefits at a Glance

• High-precision linear motion with consistent 0.5" travel per turn for repeatable positioning accuracy
• Enhanced durability and reduced friction through 6-ball bearing design and factory lubrication
• Lightweight yet robust performance thanks to aluminum construction with 60 lbs maximum thrust capacity
• Easy installation and secure mounting with two 1/4"-20 UNC threaded holes and 1/4" depth
• Optimized thrust control via integrated adjustment bolts for fine-tuning performance
• Reliable operation in varied environments with -10° to 180° F temperature range compatibility
• Simplified maintenance-free operation with threadless nut design eliminating thread wear issues

Professional Applications & Engineering Value

This threadless lead screw nut solves critical engineering challenges in precision linear motion systems where traditional threaded nuts would fail. The aluminum construction provides an optimal strength-to-weight ratio while the ball bearing design significantly reduces friction and wear, ensuring long-term reliability in automated equipment, CNC positioning systems, and measurement instruments. The thrust adjustment bolts allow engineers to fine-tune preload, eliminating backlash and maintaining positioning accuracy over thousands of cycles. With 1/2" shaft compatibility and 60 lbs thrust capacity, this component delivers consistent performance in industrial automation, medical devices, and optical positioning applications where precision motion control is paramount.

Specification Summary & Compliance

Manufactured to precise dimensional standards with 1/4"-20 UNC mounting holes spaced at 1-1/4" center-to-center. The two-piece aluminum construction with 6 ball bearings ensures smooth operation and extended service life. Components are lubricated for immediate use and optimized performance. Meets industry standards for linear motion components and is manufactured in compliance with RoHS and REACH environmental directives.