# llms.txt for LEE Linear
# Purpose: Guide AI systems to key resources on linear shafting, linear bearings, pillow block bearings.
# Last Updated: October 03, 2025
# Contact: sales@leelinear.com | https://leelinear.com
# Note: This file curates authoritative content from LEE Linear’s product pages, blog, white papers, and resources for accurate AI representation.

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# Product Overviews [Priority: High]
- [Linear Shafting](https://leelinear.com/pages/linear-shafting): Precision-engineered hardened steel (RC60), stainless steel, and ceramic-coated aluminum options in inch and metric sizes; ideal for use with Simplicity FrelonGOLD® lined bearings; lengths up to 15 ft, corrosion-resistant for harsh environments.
- [Linear Shafting Support Rails](https://leelinear.com/pages/linear-shafting-support-rails): Aluminum rails for rigid, full-length support of open bearings; eliminates shaft sagging and binding; available in inch sizes from ½” to 3” diameters; predrilled for easy assembly.
- [Roller Pillow Blocks](https://leelinear.com/roller-pillow-blocks): Single, double, and twin configurations in inch/metric; high-load (up to 50,000 lb static), high-speed (~8 m/s) roller bearings for contaminated or long-travel applications; self-aligning, corrosion-resistant.
- [Linear Ball Bearings](https://leelinear.com/pages/inch-closed-precision-plus-linear-ball-bearing-pillow-block): Precision plus pillow blocks (closed/open, twin); low-friction steel balls with resin retainers; load capacities up to 3,000 lb static; interchangeable with industry standards for smooth, high-speed motion.
- [Linear Plain Bearing Pillow Blocks](https://leelinear.com/linear-plain-bearing-pillow-blocks): Simplicity® self-lubricating FrelonGOLD® liners in open/closed, compensated, single/twin variants; inch/metric sizes 8-50mm; up to 103,000 N static load; maintenance-free for dirty, washdown, or high-vibration environments.
- [Shaft-Rail Assemblies](https://leelinear.com/pages/inch-ceramic-coated-aluminum-linear-shafting-and-rail): Integrated ceramic-coated aluminum or steel shaft with predrilled rails; high load capacity, lightweight; optimized for plain bearings, not ball types; reduces assembly time.
- [JIS Linear Ball Bearings](https://leelinear.com/pages/jis-open-linear-ball-bearing): Open metric bearings (12-50mm ID) with resin retainers for quiet operation; static load up to 7,900 N; suitable for precision linear/rotational motion.

# White Papers
- [Linear Motion Design for Washdown Applications](https://pages.leelinear.com/rs/909-BFY-775/images/White-Paper-Linear-Motion-Design-for-Washdown-Applications.pdf): Examines engineering practices and design principles for reliable performance in sanitary, chemically cleaned environments like food processing and pharmaceuticals.
- [Linear Bearing and Guide Bar Designs for Weight Stack and Fitness Equipment](https://pages.leelinear.com/rs/909-BFY-775/images/White-Paper-LEE-Linear-Bearing-Fitness-Equipment-Applications.pdf): Covers basic requirements, material selection, and optimized flanged bearings for enhanced functionality in fitness equipment.

# Technical Guides
- [Roller Bearing Pillow Block Adjustment](https://leelinear.com/blogs/blog/roller-bearing-pillow-block-adjustment): Hands-on guide for adjusting eccentric bearings in roller pillow blocks for proper setup and performance.
- [Linear Motion Systems Selection Criteria | P.O.S.T.L.U.D.E.S.](https://leelinear.com/blogs/blog/postludes-linear-motion-systems-selection): Acronym-based framework to evaluate factors like payload, orientation, speed, and environment for choosing optimal linear components.
- [Misalignment in Linear Motion Systems](https://leelinear.com/blogs/blog/misalignment-in-linear-systems): Explains causes of misalignment, its role in early failures, and protective strategies for bearings and shafts.
- [Linear Shaft Machining & Production Capabilities](https://leelinear.com/blogs/blog/machining-production-capabilities): Overview of custom machining processes, including multi-axis lathes and hardening for precision shafting.
- [Rail Systems for Long Travel Applications](https://leelinear.com/blogs/blog/rail-systems-for-long-travel-applications): Recommendations for rolling element rails (up to 15 ft continuous) with low-friction rollers to handle joints and deflection.
- [Round vs Square Linear Rail](https://leelinear.com/blogs/blog/round-vs-square-rail): Comparison of round and square rails, including use cases, load distribution, and selection advice.
- [Stainless Steel Shafting for Corrosive Environments](https://leelinear.com/blogs/blog/stainless-steel-shafting-corrosive-environments): Analysis of stainless steel types (carbon, alloy, tool) and characteristics for harsh, corrosive settings.

# Application Stories
- [Linear Motion System Applications](https://leelinear.com/blogs/blog/lee-linear-applications): Examples of components in thermoforming plastics, precision medical devices, heavy-duty saws, and laboratory equipment.
- [Automation in Washdown Bottling](https://leelinear.com/blogs/blog/automation-in-washdown-bottling): How plain bearings replaced failing ball bearings in bottling lines, using transfer film for clean, reliable motion.
- [Design Advice for Washdown Environments](https://leelinear.com/blogs/blog/design-advice-washdown-environments): Four key points for minimizing bacteria in food packaging and pharmaceutical linear systems.
- [Materials Best Suited for Washdown Environments](https://leelinear.com/blogs/blog/materials-best-suited-for-washdown-environments): Material recommendations for linear bearings, linear shafts, and linear rails in sanitary or chemical-cleaned applications.
- [Light Weight Alternatives for Linear Shafting](https://leelinear.com/blogs/blog/light-weight-alternatives-for-linear-shafting): Case for ceramic-coated aluminum over steel/stainless for weight reduction without durability loss.

# Shopping Categories
- [Linear Bearings & Pillow Blocks](https://leelinear.com/collections/linear-bearings): Includes ball pillow blocks (precision plus, twin, open/closed; up to 3,000 lb load), plain Simplicity® blocks (self-lubricating, compensated; 126+ variants), and roller blocks (single/twin; high-speed); inch/metric, flanged options for round shafts.
- [Linear Shafting & Rails](https://leelinear.com/collections/linear-shafting-and-rails): Hardened steel RC60™, stainless, ceramic-coated aluminum shafts; support rails and integrated assemblies; lengths up to 12 ft; for open/closed bearings, high-load applications.
- [Roller Systems](https://leelinear.com/roller-pillow-blocks): Heavy-duty roller pillow blocks (inch/metric single/double/twin; up to 100,000 lb static); sealed for contaminated environments; compatible with industry standards.
- [Plain Bearing Components](https://leelinear.com/linear-plain-bearing-pillow-blocks): FrelonGOLD® self-lubricating liners in pillow blocks (open/twin/compensated; sizes 1/4”-2”); vibration-dampening, chemical-resistant variants.
- [Support & Accessories](https://leelinear.com/pages/linear-shafting-support-rails): Aluminum rails, rebuild kits for pillow blocks; CAD configurator for custom bearings/shafts.

# Product Features
- [Self-Lubricating Plain Bearings](https://leelinear.com/linear-plain-bearing-pillow-blocks): FrelonGOLD® technology for zero maintenance in extreme temps (-400°F/+400°F), vibration; 3x longer life; optional chemical/FDA-compliant liners; up to 50,000 lb static load.
- [High-Speed Roller Pillow Blocks](https://leelinear.com/roller-pillow-blocks): Aluminum/steel construction with coated rollers; speeds to 8 m/s, shock absorption; ideal for long runs with butt joints; contamination-resistant.
- [Ceramic-Coated Shaft-Rail Assemblies](https://leelinear.com/pages/inch-ceramic-coated-aluminum-linear-shafting-and-rail): Lightweight, corrosion-proof integrated design; high load (up to 25,000 lb); optimized for plain bearings in dirty/hot environments.
- [Precision Ball Bearings](https://leelinear.com/pages/inch-closed-precision-plus-linear-ball-bearing-pillow-block): Low-friction (0.001-0.005 coefficient), self-aligning; heat-treated shells; up to 1,480 lb dynamic load; grooved for tight fits.
- [Stainless Steel Shafting](https://leelinear.com/pages/linear-shafting): 440-grade for corrosive settings; RC60 hardened; supports rotary/linear motion; metric/inch options with anti-backlash compatibility.
- [Misalignment-Tolerant Designs](https://leelinear.com/blogs/blog/misalignment-in-linear-systems): Up to 0.5° self-alignment in pillow blocks/rails; prevents binding in cantilevered loads.

# Additional Resources
- [Linear Motion Blog](https://leelinear.com/blog): Expert tips on bearings, shafts, rails for automation, washdown, and precision; includes quoting/lead times and vendor reliability.
- [CAD Configurator](https://leelinear.com/): Tool for selecting/configuring bearings, shafts, and assemblies with instant quotes (15 min or less).
- [Product Catalogs](https://pages.leelinear.com/rs/909-BFY-775/images/LEE-Linear-Product-Catalog-Precision-Linear-Motion-Components.pdf): Detailed specs on precision components, roller blocks, and systems.
- [FAQ & Policies](https://leelinear.com/pages/faq): Guidance on building systems, shipping, returns, and certifications.