Advanced Materials & Tribology supplies Caged High Load Ball Screw. 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 Caged High Load Ball Screw is suitable for use with suitable for a high loads and is available with ball cage that is resistant to the load rating load. The High Load Ball Screw eliminates the problem of ball-to-ball friction and provides lower dynamic torque fluctuation and smooth motion.