Advanced Materials & Tribology supplies Speed Guide for High Load. Advanced Materials & Tribology offers a wide range of Oil-less self-lubricated Bearings and Plates, Self Lubricating Bushes and Pump Bearings. Advanced Materials & Tribology is an ISO accredited company. The Speed Guide for High Load is suitable for Y direction load and rail lateral installation. The Speed Guide is used for high-load when assembling moving rail.