Info Centre >> Fuel and Lube Oil Technical Manual >> 7. Lube Oil - Test Results >> 7.9 Directory of Bearing Failures >> Acidic Attack
1 - corrosion of the lead phase of a copper lead bearing. Lead is particularly susceptible to acid attack, happily this type of bearing is now less common.
2 - acid attack of bearing materials. The bearing material has been completely dissolved showing the overlay, nickel interlayer, underlay and steel backing. In consecutive order!