Advanced Materials & Tribology offers Self-lubricating Line Shaft Bushing. 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 Self-lubricating Line Shaft Bushing is used as a bearing material standard for vertical "can" pumps in the refinery tank farm area. The Line Shaft Bushing is suitable for pumping the light hydrocarbon products where the liquid has poor lubricity and tendency to flash.