Advanced Materials & Tribology offers Heavy Duty Linear Motion Guide. Advanced Materials & Tribology supplies a wide range of Oil-less self-lubricated Bearings and Plates, Self Lubricating Bushes and Pump Bearings. Advanced Materials & Tribology is an ISO certified company. The Heavy Duty Linear Motion Guide is suitable for use with Heavy Duty Machine tools. The Linear Motion Guide is highly rigid and is available with Ultra-heavy load specifications.