Nook Industries SBN-7535 is an inch-standard ball nut engineered for reliable linear motion in industrial machinery and automation systems. This left-hand (L.H.) configuration integrates seamlessly with matching ball screw assemblies to deliver precise, repeatable motion in motion control applications.
Overview
The SBN-7535 represents Nook Industries’ standard-accuracy ball nut platform for cost-effective linear motion systems. Designed to pair with 1.000″ ball circle diameter screws carrying a 0.250″ lead specification, this nut delivers robust performance across machinery, automation, and precision positioning tasks. The left-hand thread direction accommodates dual-lead or counter-rotating screw configurations common in multi-axis systems.
Key Features
- No preload design offers durable, low-cost linear motion without backlash adjustment complexity
- Standard accuracy rolled thread compatibility (SRT, XPR, SGT series screws supported)
- Flanged mounting configuration for rigid support and alignment
- Compatible with optional mounting flanges and wiper kits for environmental protection
- Robust 4150 steel ball screw pairing rated for steady-state industrial duty cycles
Technical Specifications
- Manufacturer: Nook Industries
- Part Number: SBN-7535
- Ball Circle Diameter: 1.000 inch
- Lead: 0.250 inch
- Thread Direction: Left-Hand (L.H.)
- Nominal Ball Diameter: 0.156 inch
- Preload Type: No Preload (Standard SBN)
- Configuration: Flanged
- Material: Steel with hardened ball races
- Root Diameter: 0.820 inch
Typical Applications
- Linear positioning tables and XY-Z motion stages
- Industrial machinery requiring low-cost, durable linear actuation
- Automation systems where backlash tolerance is not critical
- Manufacturing equipment, packaging machinery, and conveyor systems
- Multi-axis systems with counter-rotating or twin-lead screw configurations
- Retrofit and replacement installations on existing ball screw assemblies
Compatibility & Replacements
Compatible With
- Nook Industries 1000-0250 ball screws (SRT, XPR, SGT precision levels)
- Standard rolled-thread and precision ground-thread screw assemblies
- Nook Industries EZZE-MOUNT bearing supports and flanged screw configurations
- Industrial machinery and motion control systems requiring inch-standard ball screws
Replaces / Drop-In Replacement For
- OEM SBN-7535 ball nuts in maintenance and repair applications
- Equivalent left-hand standard ball nuts for 1.000-0.250 screw assemblies
- Verify compatibility with your system integrator or machinery documentation before ordering
Works With
- Nook PowerTrac™ ball screw assemblies
- Thomson Industries linear motion systems (post-acquisition Nook product line)
- Standard ball screw mounting and support configurations
- Flange kits, wiper seals, and protective covers for extended service life
