Grease Lg 200 May 2026

The LG 200 lost just 5%. It clung to the bearing races with a tenacity that seemed almost alive.

She took two identical bearings. One she packed with the standard lithium grease. The other she packed with LG 200. She placed both in a rig that sprayed high-pressure water at 60°C (140°F) for one hour—mimicking the mine’s wet-season slop. grease lg 200

In the high-altitude chill of the Bolivian Andes, the San Cristóbal mine was a marvel of modern engineering. Every day, a fleet of 300-ton dump trucks hauled ore from the pit, their wheels grinding against dust, grit, and punishing torque. But in the winter of 2019, a crisis emerged. The bearings on the haul trucks’ final drives were failing at three times the normal rate. The LG 200 lost just 5%

After 60 minutes, the standard grease had lost 45% of its mass. It dripped off the bearing like melted butter. One she packed with the standard lithium grease