Advanced Materials & Tribology supplies Self-adjusting type Linear Motion Guide. 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 Self-adjusting type Linear Motion Guide can operate with any orientation for a wide range of application. The Linear Motion Guide is available with the facility of equal load ratings in the radial, reverse radial and lateral directions.