babbitt metal

noun1

1. •
   A soft white alloy of variable composition (for example, nine parts of tin to one of copper, or fifty parts of tin to five of antimony and one of copper) used in bearings to diminish friction.

   • At a recent meeting of purchasing agents in St. Louis there was an address delivered by Alfred A. Greene, of the National Lead Co., on babbitt metal. — 1919