S-2221N13 Threadless Lead Screw Nuts

Key Features & Benefits at a Glance

• Enhanced load handling with 60 lbs maximum thrust capacity before slip for reliable performance in demanding applications
• Precise linear motion control through 0.2" travel per turn and six ball bearings for smooth, accurate positioning
• Lightweight durability from aluminum construction that maintains strength while reducing system weight
• Easy installation and adjustment with standard 1/4"-20 UNC mounting holes and thrust adjustment bolts for fine-tuning
• Extended service life with factory lubrication and two-piece construction that withstands temperature variations from -10° to 180°F
• Reduced maintenance requirements through threadless nut design that minimizes wear and eliminates re-lubrication needs
• Versatile mounting options with precisely spaced mounting holes for secure integration into various mechanical systems

Professional Applications & Engineering Value

This aluminum ball bearing construction threadless lead screw nut delivers exceptional performance in precision motion control systems where reliability and accuracy are paramount. The two-piece design with six ball bearings ensures smooth linear motion while the thrust adjustment bolts allow for precise calibration to eliminate backlash and maintain positioning accuracy. Engineered for 1/2" shaft diameter applications, this component excels in industrial automation, CNC equipment, and precision manufacturing systems where consistent performance across a wide temperature range (-10° to 180°F) is essential. The lubricated construction and threadless nut type significantly reduce maintenance intervals while providing reliable operation in continuous use environments.

Specification Summary & Compliance

This precision lead screw component features standard UNC thread mounting holes (1/4"-20) with precise dimensional accuracy for consistent performance. The manufacturing follows industry standards for ball bearing linear components with tight tolerances on critical dimensions including overall length (3 27/64"), width (2"), and center height (1 1/64"). The component is engineered to meet mechanical drive system requirements and is compatible with standard 1/2" diameter lead screws. Construction adheres to industrial specifications for linear motion components with proper lubrication for immediate installation and operation.